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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 4935. Отображено 100.
29-03-2012 дата публикации

Image recording apparatus

Номер: US20120074637A1
Автор: Yuta Uchino
Принадлежит: Brother Industries Ltd

An image recording apparatus including: (a) a recording portion for recording image on a top face of a sheet; (b) a supplying roller which is to be in contact with a bottom face of the sheet held in a tray and which is configured to supply the sheet toward a curved conveyance path; (c) a drive roller which is to be in contact with the top face of the sheet and which is configured to convey the sheet supplied from the supplying roller; and (d) a controlling portion which is configured, upon receipt of a command requesting start of conveyance of the sheet, to cause the supplying roller to be rotated without causing the drive roller to be rotated, and is configured, upon judgment that a leading end portion of the sheet has reached a flat surface extending away from the drive roller toward the recording portion, to cause the drive roller to be rotated.

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Номер записи: 1
07-06-2012 дата публикации

Sheet measuring apparatus and image forming apparatus

Номер: US20120141148A1
Автор: Michio Taniwaki, Minoru Ohshima
Принадлежит: Fuji Xerox Co Ltd

A sheet measuring apparatus includes a first rotating member including a first peripheral surface portion that contacts a transported sheet; a second rotating member including a second peripheral surface portion that contacts the first peripheral surface portion; a first rotation amount detecting unit that detects a first rotation amount of the first rotating member; a second rotation amount detecting unit that detects a second rotation amount of the second rotating member; a sheet calculation unit that obtains a first rotating member correction value for correcting an error that is superposed on the second rotation amount due to a radius distribution of the first rotating member and that performs calculation related to the transported sheet; a radius distribution calculating unit that calculates a new radius distribution of the first rotating member; and an updating unit that updates the first rotating member correction value to a new first rotating member correction value.

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Номер записи: 2
13-09-2012 дата публикации

Sheet transport apparatus

Номер: US20120228822A1
Автор: Koji Kanda, Mamoru Akiyama, Seiji Nishizawa, Tetsuya Noda, Toshiya Sato, Toshiyuki Ito
Принадлежит: Nisca Corp

A sheet transport apparatus for transporting a sheet along a transport path has a sheet transport mechanism having a plurality of transport rollers that transports a sheet, and a jam clearing mechanism to remove a sheet which causes a transport failure and is jammed on the transport path. The jam clearing mechanism has a coupling member coupled to a transport roller, a jam clearing dial that transfers a rotation force to the transport roller via the coupling member, and a switching device for switching so that the coupling member separates from the transport roller in transporting a sheet, while being coupled to the transport roller in clearing a jam.

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Номер записи: 3
04-10-2012 дата публикации

Sheet conveying device

Номер: US20120248681A1
Автор: Ai YAMAZAKI, Daisuke Kozaki, Hiroshi Shiomi
Принадлежит: Brother Industries Ltd

A sheet conveying device includes a cover member made of resin and partially defining a conveying path, a roller member rotatably disposed on the cover member and configured to convey a sheet along the conveying path, an urging member disposed between the cover member and a rotary shaft of the roller member and urging the roller member toward the conveying path while one end of the urging member contacts the rotary shaft, and a plate member made of metal and disposed between the cover member and the urging member. The plate member includes a first segment extending along the cover member and contacting the other end of the urging member, a second segment extending from an edge of the first segment in a direction toward the conveying path, and a third segment extending from an edge of the second segment in a direction different from the second segment extending direction.

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Номер записи: 4
04-10-2012 дата публикации

Sheet conveying apparatus and image forming apparatus

Номер: US20120248684A1
Автор: Yuushi Sadamitsu
Принадлежит: Canon Inc

A sheet conveying apparatus includes a conveying roller which conveys a sheet, a cylindrical motor which drives the conveying roller, an outer diameter of the motor being approximately equal to or smaller than an outer diameter of the conveying roller, and a supporting portion which supports the motor such that a rotational center of the motor is arranged coaxially with a rotational center of a rotational shaft of the conveying roller the motor is positioned within a maximum sheet that can be conveyed by the conveying roller in a width direction perpendicular to the sheet conveying direction.

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Номер записи: 5
11-10-2012 дата публикации

Paper feeder

Номер: US20120256365A1
Автор: Akihiro YAMAGATA
Принадлежит: Riso Kagaku Corp

A paper feeder includes a resist roller configured to convey a sheet to an image formation unit, a paper feed roller configured to convey a sheet to the resist roller, and a controller configured to control the paper feed roller such that the paper feed roller first conveys a sheet at a first conveying speed and then conveys the sheet while decelerating from the first conveying speed to a second conveying speed slower than the first conveying speed. The controller sets the first and second conveying speeds in advance to speeds which allow the paper feed roller to convey a single sheet by a predetermined conveying amount in a predetermined driving time period. The controller determines a time point to start a deceleration from the first conveying speed to the second conveying speed to allow a sheet to hit the resist roller at the second conveying speed.

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Номер записи: 6
13-12-2012 дата публикации

Pickup arm

Номер: US20120313314A1
Автор: David CHANCLON FERNANDEZ, Ismael CHANCLON FERNANDEZ, Jordi Gimenez
Принадлежит: Hewlett Packard Development Co LP

A pickup arm for print media arranged to engage a roller.

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Номер записи: 7
21-02-2013 дата публикации

Conveying apparatus and recording apparatus

Номер: US20130043648A1
Автор: Keisei Hakamata
Принадлежит: Canon Inc

A conveying apparatus including a conveying path with a curved path through which a sheet is passed, a main conveying roller provided downstream of the conveying path in a conveying direction of the sheet, the roller being rotated in a first direction to perform a conveying operation of conveying the sheet in the conveying direction and being rotated in a second direction opposite to the first direction to perform an skew correcting operation of forming a loop of the sheet, and an auxiliary guide member which supports the sheet using an inner side of a curvature of the conveying path and which is tilted toward the conveying direction side during the conveying operation when subjected to a force of the sheet which is stronger than during the skew correcting operation.

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Номер записи: 8
07-03-2013 дата публикации

Control device and method for controlling the speed of a conveyor

Номер: US20130060376A1
Автор: Stefan Forster
Принадлежит: Ferag AG

An object of the present invention is to propose a computerized control device and a computer-implemented method for speed regulation during delivery of printed products to stacking devices which do not have at least some of the disadvantages of the known systems. It is in particular an object of the present invention to propose a computerized control device and a computer-implemented method for regulating the speed of a conveyor for delivering printed products to stacking devices which enable flexible production of stacks of different sizes.

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Номер записи: 9
20-06-2013 дата публикации

Guiding pathway

Номер: US20130153653A1
Автор: Owen H. Wilson
Принадлежит: NCR Corp

A method and apparatus are disclosed for guiding an item of media travelling along a pre-determined transport pathway. The apparatus includes a guide body comprising an arcuate guide surface, at least one drive roller comprising an outer drive surface, and at least one pulley member having an outer item engaging surface that extends through an opening in the guide surface and is urged against the outer drive surface. The drive roller and pulley member co-operate to lift an item away from the guide surface at an arcuate region of the transport pathway.

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Номер записи: 10
27-06-2013 дата публикации

SHEET FEEDING MECHANISM AND IMAGE FORMING APPARATUS INCORPORATING SAME

Номер: US20130164066A1
Автор: HONDA Haruyuki, HORITA Hirofumi, KIMURA Ippei, NAKAMURA Mitsutaka, Namba Masanori, NISHII Toshikane
Принадлежит:

A sheet feeding mechanism incorporatable in an image forming apparatus includes a cover unit rotatably attached to one side of a main body of an image forming apparatus to cover a part of a sheet conveyance path, a first feeding member located in a main body of the apparatus, a second feeding member located in the cover unit in a displaceable manner and facing the first feeding member when the cover unit is closed and sandwiching and conveying a recording medium along the sheet conveyance path with the first feeding member, and a guide member disposed in the main body to guide the second feeding member. The guide member guides the second feeding member to move in a first direction that approaches the first feeding member when closing the cover unit and in a second direction that separates from the first feeding member when opening the cover unit. 1. A sheet feeding mechanism , comprising:a cover unit rotatably attached to one side of a main body of an image forming apparatus to cover a part of a sheet conveyance path;a first feeding member located in the main body of the image forming apparatus;a second feeding member located in the cover unit in a displaceable manner and facing the first feeding member when the cover unit is closed,the first feeding member and the second feeding member sandwiching and conveying a recording medium along the sheet conveyance path; anda guide member disposed in the main body to guide the second feeding member,wherein the guide member guides the second feeding member to move in a first direction that approaches the first feeding member when closing the cover unit,wherein the guide member further guides the second feeding member to move in a second direction that separates from the first feeding member when opening the cover unit.2. The sheet feeding mechanism according to claim 1 , further comprising a rotary arm to support the second feeding member claim 1 ,wherein the second feeding member moves in the first direction according to ...

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Номер записи: 11
08-08-2013 дата публикации

SHEET THICKNESS DETECTING DEVICE, FEEDING DEVICE, AND IMAGE FORMING APPARATUS

Номер: US20130200565A1
Автор: ADACHI Hiroshi, FUNADA Naohiro, Ikeda Yuji, Nishizaki Shingo, Okamura Hiroshi, Ozaki Yusuke, SATOH Masashi, TAKENAKA Ryo
Принадлежит:

A sheet thickness detecting device for detecting a thickness of a sheet includes a fixed roller rotatably supported by a shaft so that the fixed roller faces the sheet; a movable roller rotatably provided so that the movable roller and the fixed roller sandwich and feed the sheet, and configured to be displaced in accordance with the thickness of the sandwiched sheet; a swing member rotatably supporting the movable roller and including a shaft so that the swing member is swung around the shaft, wherein the swing member further includes a detection target part formed in a manner that a distance between the detection target part and the shaft is greater than that between a position where the movable roller is supported by the swing member and the shaft; and a detecting unit detecting the displacement amount of the detection target part of the swing member. 1. A sheet thickness detecting device for detecting a thickness of a sheet passing through a conveying path , comprising:a fixed roller rotatably supported by a shaft so that the fixed roller faces one side of the sheet passing through the conveying path;a movable roller rotatably provided so that the movable roller and the fixed roller sandwich and feed the sheet, and configured to be displaced in accordance with the thickness of the sandwiched sheet;a swing member configured to rotatably support the movable roller and including a shaft so that the swing member is swung around the shaft, wherein the swing member further includes a detection target part formed in a manner that a distance between the detection target part and the shaft is greater than a distance between a position where the movable roller is supported by the swing member and the shaft; anda detecting unit configured to detect the displacement amount of the detection target part of the swing member.2. The sheet thickness detecting device according to claim 1 , further comprising:a shaft roller including the shaft disposed on the upstream side of a ...

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Номер записи: 12
29-08-2013 дата публикации

IMAGE FORMING APPARATUS

Номер: US20130221612A1
Автор: Aoki Daisuke, Harada Yuko
Принадлежит: CANON KABUSHIKI KAISHA

A supporting portion is provided to project from an upper surface of a side regulating member which is provided in a sheet feeding cassette which is detachably attached to a color laser beam printer body, and which regulates a position of a sheet in a width direction orthogonal to a sheet feeding direction, and this supporting portion regulates downward deformation of a conveyance guiding member which is positioned above the sheet feeding cassette and which forms a sheet conveying path R which guides the sheet. 1. An image forming apparatus comprising;a sheet storage portion which is detachably attached to an apparatus body;a guiding member which is positioned above the sheet storage portion attached to the apparatus body and which forms a sheet conveying path which guides a sheet; anda regulating portion which is provided in the sheet storage portion, and which regulates a position of the sheet in a width direction orthogonal to a sheet feeding direction, and abuts on the guiding member and regulates downward deformation of the guiding member.2. The image forming apparatus according to claim 1 , wherein the regulating portion abuts on a bottom surface of the guiding member when the sheet storage portion is attached to the apparatus body.3. The image forming apparatus according to claim 1 , wherein the regulating portion abuts on a bottom surface of the guiding member when the guiding member deforms downward a predetermined amount.4. The image forming apparatus according to claim 1 , wherein a convex portion which abuts on the regulating portion and extends in the width direction is provided on a bottom surface of the guiding member.5. The image forming apparatus according to claim 1 , wherein a convex portion which abuts on the regulating portion is provided in a center portion of a bottom surface of the guiding member in the width direction.6. The image forming apparatus according to claim 1 , wherein the regulating portion includes a regulating member which ...

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Номер записи: 13
29-08-2013 дата публикации

Output of a corona charger

Номер: US20130223881A1
Автор: Mark C. Zaretsky
Принадлежит: Individual

A system for charging an insulating object on a static dissipative surface with a constant current includes a corona electrode in close proximity to the insulating surface; a shell electrode in close proximity to the corona electrode; a high voltage power supply connected to the corona electrode; wherein the potential of the shell electrode is raised to at least one tenth the magnitude of the potential of the corona electrode; sensing a first current from the high voltage power supply to the corona electrode; sensing a second current from the shell electrode to ground; and adjusting a voltage on the high voltage power supply to maintain a constant difference between the first current and the second current.

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Номер записи: 14
29-08-2013 дата публикации

Paper feed apparatus, image forming apparatus, and paper feed method

Номер: US20130223908A1
Автор: Kiyotaka Yamaguchi
Принадлежит: Kyocera Document Solutions Inc

A paper feed apparatus includes a paper housing unit configured to house paper at a first position, a bottom plate provided in the paper housing unit and configured to retain the paper, a moving unit configured to move the bottom plate between the first position and a second position, a paper feed roller configured to feed the paper retained by the bottom plate at the second position, and a paper feed control unit configured to cause the moving unit to move the bottom plate to the second position when a paper feed preparation request for requesting paper feed preparation has been input.

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Номер записи: 15
05-09-2013 дата публикации

MEDIUM CONVEYING APPARATUS, IMAGE FORMING APPARATUS, AND MEDIUM CONVEYING SYSTEM

Номер: US20130228968A1
Автор: Ishizaki Yusuke, KASAMAI Masashi, Koike Takahisa
Принадлежит: RICOH COMPANY, LTD.

A medium conveying apparatus includes a conveying unit including two rotating members for conveying a medium therebetween, a driving unit configured to drive a rotation of at least one of the rotating members, a parameter calculating unit configured to calculate a parameter of the driving unit, and a medium detecting unit configured to detect the medium conveyed by the rotating members by comparing the parameter calculated by the parameter calculating unit when the medium is conveyed by the rotating members and a reference parameter calculated by the parameter calculating unit when the medium is not conveyed by the rotating members. 1. A medium conveying apparatus comprising:a conveying unit including two rotating members for conveying a medium therebetween;a driving unit configured to drive a rotation of at least one of the rotating members;a parameter calculating unit configured to calculate a parameter of the driving unit; anda medium detecting unit configured to detect the medium conveyed by the rotating members by comparing the parameter calculated by the parameter calculating unit when the medium is conveyed by the rotating members and a reference parameter calculated by the parameter calculating unit when the medium is not conveyed by the rotating members.2. The medium conveying apparatus as claimed in claim 1 ,wherein the parameter calculated by the parameter calculating unit includes a torque of the driving unit,wherein the reference parameter calculated by the parameter calculating unit includes a reference torque.3. The medium conveying apparatus as claimed in claim 2 , further comprising:a time estimating unit configured to estimate when the medium passes an area between the rotating members; anda conveying status detecting unit configured to determine a conveying status of the medium;wherein the conveying status detecting unit is configured to determine that the conveying status is a failure when the medium detecting unit does not detect the medium at ...

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Номер записи: 16
26-09-2013 дата публикации

INFORMATION RECORDING DEVICE

Номер: US20130249164A1
Автор: AIHARA Yuichi, ASAKAWA Tatsuya, TAKEI Akira, Tamura Hiromitsu, YOKOYAMA Naoki
Принадлежит:

Provided is an information recording device in which jam processing operation can be easily performed with simple operation when a recording medium such as a card is jammed in a conveyance passage. A card storing section and a medium conveyance passage for conveying a card to an image forming section are arranged in a housing at upper and lower sides and a passage open-close member for removing a card jammed at the image forming section is arranged therebetween. Then, electronic information recording means is incorporated in the passage open-close member and a medium conveyance path which conveys a card toward the electronic information recording means is arranged on a medium introduction passage for feeding a card from the card storing section to the medium conveyance passage. According to the above, a card jammed at the image forming section or the information recording section can be easily removed to the outside of the device by opening the card storing section. 1. An information recording device which records electronic information and image information on a recording medium , comprising:a housing;a medium storing section which stores a recording medium;an information recording section which records electronic information on a recording medium;an image forming section which forms image information on a recording medium;a medium introduction passage which introduces a recording medium from the medium storing section toward the information recording section;a medium conveyance passage which conveys the recording medium conveyed from the medium introduction passage to the image forming section; anda passage open-close member which is arranged at the medium conveyance passage for removing a recording medium jammed at the image forming section,wherein the medium storing section, the passage open-close member, and the image forming section are arranged in the housing in this order, andthe information recording section includes electronic information recording means ...

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Номер записи: 17
03-10-2013 дата публикации

CONVEYOR DEVICE

Номер: US20130256985A1
Автор: KAWAMATA Noriyuki, Samoto Kenji
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A conveyor device includes: a first conveyor having a first roller; a second conveyor having a second roller and disposed downstream of the first conveyor; and a storage storing first information and second information in which a velocity or a deceleration of the first and second rollers is less in the second information than in the first information. A controller executes: a first rotation processing in which, when a state in which a sheet is nipped by the first conveyor is kept during a next conveyance in intermittent conveyance, a first roller and a second roller are rotated according to the first information in the next conveyance; and a second rotation processing in which, when the state is not kept in the next conveyance, the first drive roller and the second drive roller are rotated according to the second information in the next conveyance. 1. A conveyor device , comprising:a drive source configured to produce: a first rotational driving power by a forward rotation of the drive source; and a second rotational driving power by a reverse rotation of the drive source;a first conveyor comprising a first drive roller and a first driven roller;a second conveyor disposed downstream of the first conveyor in a conveying direction, the second conveyor comprising a second drive roller and a second driven roller;a first power transmitter configured to transmit the first rotational driving power and the second rotational driving power to the first drive roller, the first power transmitter being configured to have the first conveyor convey the sheet in the conveying direction while nipping the sheet when the first rotational power is transmitted to the first drive roller, the first power transmitter being configured to have the first conveyor convey the sheet in a direction opposite the conveying direction when the second rotational power is transmitted to the first drive roller;a second power transmitter configured to transmit the first rotational driving power to the ...

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Номер записи: 18
03-10-2013 дата публикации

Image Forming Apparatus

Номер: US20130259553A1
Автор: MURODATE Yusuke, Sugiyama Kyoko, Ueyama Junki
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

An image forming apparatus includes an image forming portion configured to form an image on a recording sheet, a main body including a pair of frames and a bridging member connecting the pair of frames, a feed roller, a sheet receiving plate, and a lifting member. The sheet receiving plate is configured to receive the recording sheet, and pivot between a nearby position where the sheet receiving plate is disposed near the feed roller and a remote position where the sheet receiving plate is disposed remote from the feed roller. The lifting member is disposed opposite to the feed roller relative to the sheet receiving plate and configured to lift the sheet receiving plate such that the sheet receiving plate is disposed in the nearby position. The lifting member includes a pivot shaft rotatably supported by the bridging member and a lift portion configured to contact the sheet receiving plate. 1. An image forming apparatus comprising:an image forming portion configured to form an image on a recording sheet;a main body including a pair of frames and a bridging member, the pair of frames facing each other with the image forming portion therebetween, the bridging member connecting the pair of frames;a feed roller;a sheet receiving plate configured to receive the recording sheet, and pivot between a nearby position where the sheet receiving plate is disposed near the feed roller and a remote position where the sheet receiving plate is disposed remote from the feed roller; anda lifting member disposed opposite to the feed roller relative to the sheet receiving plate, the lifting member being configured to lift the sheet receiving plate such that the sheet receiving plate is disposed in the nearby position, the lifting member including a pivot shaft rotatably supported by the bridging member and a lift portion being configured to contact the sheet receiving plate.2. The image forming apparatus according to claim 1 ,wherein the sheet receiving plate has a first end portion ...

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Номер записи: 19
03-10-2013 дата публикации

IMAGE FORMING APPARATUS

Номер: US20130259554A1
Автор: KAWAI Masashi, Nonoyama Naoki, SAWANO Shigeru
Принадлежит: Konica Minolta Business Technologies, Inc.

An image forming apparatus that is orientatable in either a first position or a second position, the second position being different from the first position in inclination with respect to a horizontal plane, comprising: a platform configured to be stacked with a plurality of recording sheets used for image formation; a pickup roller in contact with the recording sheets and configured to pick up the recording sheets one at a time; a pressing member applying pressure to the platform against the pick-up roller; and a pressure changer causing the pressing member to change an amount of the pressure according to whether the image forming apparatus is in the first position or in the second position. 1. An image forming apparatus that is orientatable in either a first position or a second position , the second position being different from the first position in inclination with respect to a horizontal plane , comprising:a platform configured to be stacked with a plurality of recording sheets used for image formation;a pickup roller in contact with the recording sheets and configured to pick up the recording sheets one at a time;a pressing member applying pressure to the platform against the pick-up roller; anda pressure changer causing the pressing member to change an amount of the pressure according to whether the image forming apparatus is in the first position or in the second position.2. The image forming apparatus of claim 1 , whereinthe platform is configured such that a force acting against the pressure, due to gravity acting on the platform and the recording sheets, is smaller when the image forming apparatus is in the second position, relative to when the image forming apparatus is in the first position, andthe pressure changer causes the pressing member to apply a smaller amount of pressure to the platform when the image forming apparatus is in the second position, relative to when the image forming apparatus is in the first position.3. The image forming apparatus ...

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Номер записи: 20
10-10-2013 дата публикации

CONTROL METHOD OF FEEDER AND IMAGE FORMING SYSTEM

Номер: US20130264763A1
Автор: IZUMIYA Kenji, KOJIMA Kiyoto, Oyama Hiroshi, Takahashi Atsushi
Принадлежит: Konica Minolta Business Technologies, Inc.

When conveying an envelope, a posture of the envelope is corrected by hitting a closed portion of the envelope, which is opposite side of an opened portion of the envelope, against a nip portion between upper and lower rollers of the pre-registration rollers and the envelope is then conveyed with the envelope being nipped by the upper and lower rollers of the pre-registration, rollers. The upper and lower rollers of the pre-registration rollers nip the envelope to remove air from the envelope. When setting an envelope mode to control a conveying speed of the envelope based on a coverage rate of an image to be formed on the envelope, the conveying speed of the envelope is controlled by adjusting a rotation speed of the registration rollers based on the coverage rate of the set envelope mode. 1. A control method of a feeder including:a feeding portion which stores a sheet, of paper containing an envelope with a predetermined size and feeds the stored sheet of paper, the envelope containing an opened portion and a closed portion; anda pair of registration rollers containing an upper roller and a lower roller, each roller having a longitudinal length longer than a width of the fed sheet of paper, the registration rollers correcting a posture of the sheet of paper fed from the feeding portion to convey the sheet of paper toward a downstream side along a sheet-conveying direction,wherein, when conveying the envelope, the posture of the envelope is corrected by hitting the closed portion of the envelope, which is opposite side of the opened portion of the envelope, against a nip portion between the upper and lower rollers of the registration rollers and the envelope is then conveyed with the envelope being nipped by the upper and lower rollers of the registration rollers, the method comprising:a setting step of setting an envelope mode to control a conveying speed of the envelope based on a coverage rate of an image to be formed on the envelope; anda control step of ...

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Номер записи: 21
31-10-2013 дата публикации

SHEET PROCESSING APPARATUS, METHOD FOR DETECTING LATERAL POSITION DEVIATION AMOUNT OF SHEET, AND IMAGE FORMING SYSTEM

Номер: US20130287463A1
Автор: Ishikawa Naoki, KATO Hitoshi
Принадлежит: CANON KABUSHIKI KAISHA

A sheet processing apparatus capable of detecting a lateral position deviation amount of a sheet with high precision and at a high speed. A sheet sensing unit includes two or more sensors, each of which sensing a side edge of the sheet, disposed in a widthwise direction of the sheet. A position deviation amount of the sheet in the widthwise direction is detected based on a moving distance of the sheet sensing unit until at least one of the sensors senses the side edge of the sheet. The position deviation amount of the sheet is determined using a sensing result of the side edge of sheet after the sheet sensing unit moves by a predetermined distance, while invalidating a sensing result of the side edge of sheet sensing unit in the widthwise direction from when a driving unit starts driving until the sheet sensing unit moves by the predetermined distance. 1. A sheet processing apparatus comprising:a sheet transport unit configured to transport a sheet;a sheet sensing unit including two or more sensors, each of the sensors being configured to sense the sheet, disposed in a widthwise direction of the sheet intersecting a sheet transport direction by the sheet transport unit;a driving unit configured to move said sheet sensing unit in the widthwise direction;a drive force transmission unit configured to transmit a driving force of said driving unit to said sheet sensing unit; anda position deviation detecting unit configured to detect a position deviation amount of the sheet in the widthwise direction based on a moving distance of said sheet sensing unit through said driving unit until at least one of the two or more sensors senses the sheet,wherein said position deviation detecting unit invalidates a sensing result of the sheet by the at least one of the two or more sensors of said sheet sensing unit from when said driving unit starts driving until said sheet sensing unit moves by a predetermined distance, and determines the position deviation amount of the sheet using a ...

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Номер записи: 22
07-11-2013 дата публикации

METHOD AND DEVICE FOR THE GENERATION AND/OR CONVEYANCE OF A SHINGLED STREAM OF FLAT, FLEXIBLE OBJECTS

Номер: US20130292894A1
Автор: Enderle Patrick, Kearney Peter, WARDAK Andreas
Принадлежит:

A device for the generation of a shingled stream of flat, flexible objects along a conveyor path, wherein successive objects develop an overlap with a length, includes a first and a second suction and conveyor device having a first and second unit, respectively, and each having at least one conveyor belt. The first and second units are each configured to generate a vacuum through a whirlwind to attract at least one of the objects and are each disposed in a casing having a suction aperture. The second suction and conveyor device is disposed downstream from the first suction and conveyor device in a direction of the conveyor path with a mutual offset corresponding to the length of the overlap and is disposed at an angle relative to the direction of the conveyor path. The first and second suction are separated by a spacing in a transversal direction.

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Номер записи: 23
07-11-2013 дата публикации

CYLINDRICAL SHAFT, TRANSPORT ROLLER, TRANSPORT UNIT, AND PRINTING APPARATUS

Номер: US20130292900A1
Автор: Ono Katsunori, Ozawa Kenji, Saito Koichi
Принадлежит:

A cylindrical shaft is provided of which a pair of ends are formed in a cylindrical shape by a press work so as to form a joining portion therebetween. Here, the joining portion includes: a central linear section which is provided on a center portion in an axis direction of the cylindrical shaft and is formed in a linear shape to be parallel to the axis direction of the cylindrical shaft; and a folded section which includes a plurality of intersections which are provided on both ends of the center portion and are disposed so as to be extended in a direction perpendicular to the axis direction of the cylindrical shaft, and a connection linear section which connects ends of a pair of the adjacent intersections. In addition, the connection linear section is constituted by a first linear section which connects ends on one side of the pair of the intersections and a second linear section which connects ends on the other side of the pair of the intersections and formed shorter than the first linear section. In addition, a distance between the pair of the ends of the center portion is longer than a distance between the pair of the ends of the second linear section. 1. A printing apparatus comprising:a transport roller that includes a cylindrical shaft having a joint, the joint extending between one axial end of the cylindrical shaft and an opposite axial end of the cylindrical shaft; anda driven roller that nips a recording medium together with the transport roller and transports the recording medium together with the transport roller; anda recording unit for recording on the recording medium, a first joint extending along an axial direction in which the cylindrical shaft extends;', 'a projecting portion provided on one axial end side or an opposite axial end side than the first joint and extends in a direction cross-wise to the first joint,, 'wherein the joint further compriseswherein a spacing of the joint in the first joint is wider than a maximum spacing of the joint ...

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Номер записи: 24
14-11-2013 дата публикации

SHEET TRANSPORT DEVICE AND IMAGE FORMING APPARATUS

Номер: US20130301089A1
Автор: ARIKAWA Kiichirou, FURUKATA Hiroko
Принадлежит: FUJI XEROX CO., LTD.

A sheet transport device includes a shaft member that extends in an axial direction orthogonal to a sheet transport direction, and a roller that includes plural components which are assembled together so as to surround the shaft member. The components have a shape such that a joint between the components is formed on an outer peripheral surface of the roller which is formed by assembling the components together. The joint extends from one end to another end of the outer peripheral surface in the axial direction while bending or curving at least at a portion in the middle thereof. 1. A sheet transport device comprising:a shaft member that extends in an axial direction orthogonal to a sheet transport direction; anda roller that includes a plurality of components which are assembled together so as to surround the shaft member;wherein the components have a shape such that a joint between the components is formed on an outer peripheral surface of the roller which is formed by assembling the components together, the joint extending from one end to another end of the outer peripheral surface in the axial direction while bending or curving at least at a portion in the middle thereof.2. The sheet transport device according to claim 1 , wherein the joint has a shape that extends in the axial direction from the one end of the outer peripheral surface in the axial direction claim 1 , then extends in a circumferential direction of the outer peripheral surface claim 1 , and then extends in the axial direction to the other end.3. The sheet transport device according to claim 1 , wherein the roller is locked against rotation with respect to the shaft member.4. The sheet transport device according to claim 3 ,wherein, in the shaft member, recesses corresponding to the components and partial flat portions corresponding to the components are formed at an attachment position for the roller;wherein the components include protrusions to be inserted into the respective recesses, and flat ...

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Номер записи: 25
14-11-2013 дата публикации

SHEET SIZE DETECTING APPARATUS

Номер: US20130302047A1
Автор: Agata Jun, Kobayashi Shinsuke
Принадлежит: CANON KABUSHIKI KAISHA

An image forming apparatus has a sheet size detecting unit with first and second arms each moved by contact with a moving sheet, the arms disposed at differing locations in a direction orthogonal to sheet movement. An actuator which acts on the sensor is not moved when only one arm is moved by sheet contact, but is moved when both arms are moved by sheet contact so that the sensor output level when only one arm is moved is the same as when neither arm is moved, and the output level of the sensor when both of arms have moved differs from when neither arm moves. The first and second arms have first and second regulating portions, respectively, for regulating actuator movement, and the actuator is moved only when both regulating portions are moved from contact of both arms with the moving sheet. 1. An image forming apparatus comprising:an image forming unit for forming an unfixed image on a sheet;a fixing unit for fixing the unfixed image onto the sheet, said fixing portion includes rotatable members for forming a fixing nip portion that pinches and conveys the sheet, and a heater for heating the unfixed image;a sheet size detecting unit for detecting a size of the sheet,wherein the sheet size detecting unit comprising:a first arm moved by a moving sheet contacting therewith;a second arm moved by the moving sheet contacting therewith, said second arm being disposed at a location differing from that of said first arm in a direction orthogonal to the movement direction of the sheet;a sensor; andan actuator acting on said sensor, and wherein said actuator is not moved when only one of said first arm and said second arm is moved by the contact of the sheet, and is moved when both of said first arm and said second arm are moved by the contact of the sheet,wherein the output level of said sensor when only one of said first arm and said second arm has been moved is the same as the output level thereof when neither of said first arm and said second arm is moved, and the output ...

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Номер записи: 26
26-12-2013 дата публикации

SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

Номер: US20130341852A1
Автор: KARIKUSA Yuji
Принадлежит: RICOH COMPANY, LTD.

A sheet conveying device includes a pair of upstream sheet conveying rollers, a pair of downstream sheet conveying rollers, and a gate unit including multiple striking faces disposed adjacent to the pair of downstream sheet conveying rollers. The gate unit is enabled to enter and evacuate from a sheet conveyance path. A skew correction control mechanism is provided to correct skew by bringing the gate unit into the sheet conveyance path to cause the striking faces to collide with a leading end of the sheet with the skew while rotating the pair of upstream sheet conveying rollers. One or more rollers are included in one of the pair of upstream sheet conveying rollers and are disposed in the vicinity of a widthwise center of the sheet conveyance path. A width of one or more rollers is smaller than a widthwise interval between the multiple striking faces. 1. A sheet conveying device comprising:a sheet conveying guide disposed in a sheet conveyance path to guide a sheet;a pair of upstream sheet conveying rollers disposed upstream of the sheet conveying guide in a sheet conveyance direction in the sheet conveyance path;a pair of downstream sheet conveying rollers disposed downstream of the pair of upstream side sheet conveying rollers in the sheet conveyance direction;a gate unit located adjacent to the pair of downstream sheet conveying rollers, the gate unit including at least two striking faces divided perpendicular to the sheet conveyance direction, the gate unit enabled to enter and evacuate from the sheet conveyance path, anda skew correction control mechanism to correct skew by bringing the gate unit into the sheet conveyance path to cause the striking face to collide with a leading end of the sheet coming with skew while rotating the pair of upstream sheet conveying rollers,wherein at least one roller included in one of the pair of upstream sheet conveying rollers is disposed in the vicinity of a widthwise center of the sheet conveyance path, the at least one ...

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Номер записи: 27
09-01-2014 дата публикации

PAPER PRESSING APPARATUS FOR PRINTING APPARATUS

Номер: US20140008866A1
Автор: HSU SHAO-HUNG
Принадлежит: HON HAI PRECISION INDUSTRY CO., LTD.

A paper pressing apparatus for a printing apparatus includes a bracket, a paper pressing member, a first gear, a first rolling arm, a second rolling arm, and a first elastic member. The paper pressing member is lifted up from the bracket to accommodate heavily creased or buckled papers, and then released to press the papers flat as they are drawn into the printer. 1. A paper pressing apparatus for a printing apparatus comprising:a bracket;a paper pressing member movably secured to the bracket;a first gear fixed on the bracket;a first rolling arm connected to the paper pressing member;a second rolling arm movably connected to the first gear and the first rolling arm;a first elastic member connected to the bracket and the paper pressing member; anda resisting portion formed on the first gear, wherein when the first gear rotates along a first direction, the resisting portion resists against the second rolling arm, the second rolling arm moves toward a second direction on the bracket, the second rolling arm drives the first rolling arm and the paper pressing member rotating along a third direction, the first elastic member is elastically deformed, and the paper pressing member is lifted up from the bracket; and when the first gear rotates along the third direction, the resisting portion releases the second rolling arm, the second rolling arm moves toward a fourth direction on the bracket, the first elastic member is elastically returned, the first rolling arm and the paper pressing member rotate along the first direction, and the paper pressing member is lain down on the bracket.2. The paper pressing apparatus of claim 1 , further comprising a second elastic member mounted on the first rolling arm and the second rolling arm; when the resisting portion resists against the second rolling arm claim 1 , the second elastic member is elastically deformed; and when the resisting portion releases the second rolling arm claim 1 , the second elastic member is elastically returned ...

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Номер записи: 28
16-01-2014 дата публикации

Image Forming Apparatus

Номер: US20140016979A1
Автор: HASHIMOTO Yohei, Suzuki Yasuhiro
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

An image forming apparatus includes a developing roller, a conveyance roller which conveys a sheet; a driving source which provides a driving force to the developing roller and the conveyance roller, a developing driving gear mechanism which transmits the driving force of the driving source to the developing roller, and a conveyance driving gear mechanism which transmits the driving force of the driving source to the conveyance roller. The developing driving gear mechanism includes a developing driving switching mechanism which causes a rotating direction of the developing roller when the first driving source rotates in a first direction to be same as the rotating direction of the developing roller when the first driving source rotates in a second direction reverse to the first direction. 1. An image forming apparatus comprising:a rotatable photosensitive member on which a developer image is formed;a developing roller configured to supply developer to the photosensitive member while contacting the photosensitive member;a conveyance roller configured to convey a recording sheet;a first driving source configured to provide a driving force to the developing roller and the conveyance roller and capable of switching a rotating direction thereof between a first direction and a second direction reverse to the first direction;a second driving source configured to provide a driving force to the photosensitive member;a developing driving gear mechanism configured to transmit the driving force of the first driving source to the developing roller; anda conveyance driving gear mechanism configured to transmit the driving force of the first driving source to the conveyance roller,wherein the conveyance driving gear mechanism is configured to cause a rotating direction of the conveyance roller when the first driving source rotates in the first direction to be reverse to the rotating direction of the conveyance roller when the first driving source rotates in the second direction, ...

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Номер записи: 29
23-01-2014 дата публикации

IMAGE FORMING APPARATUS FOR FORMING OUTPUT SHEET BUNDLES INSERTED WITH TABBED SHEETS, AND CONTROL METHOD AND STORAGE MEDIUM THEREFOR

Номер: US20140023415A1
Автор: Takane Kunio
Принадлежит: CANON KABUSHIKI KAISHA

An image forming apparatus capable of suppressing the productivity of image formation from being lowered due to discharge of surplus tabbed sheets in a double-sided printing job in which output sheet bundles are produced by inserting tabbed sheets into each bundle of double-sided printed recording sheets. In a case that output sheet bundles are each produced by setting tabbed sheet bundles each comprised of five tabbed sheets to the image forming apparatus, by inserting one tabbed sheet subsequently to double-sided image formation on five recording sheets, and by performing double-sided image formation on other five recording sheets, four surplus tabbed sheets are discharged subsequently to feeding of the tabbed sheet, instead of discharging the four surplus tabbed sheets after completion of image formation on a second surface of a tenth recording sheet. 1. An image forming apparatus comprising:a first supply unit configured to supply at least one tabbed sheet one by one from each of a plurality of tabbed sheet bundles each comprised of tabbed sheets which are different in tab position from one another;a second supply unit configured to supply recording sheets;a conveyance unit configured to convey the tabbed sheet supplied by said first supply unit and the recording sheets supplied by said second supply unit and to discharge them to outside;an image forming unit configured to form images on both surfaces of each of the recording sheets conveyed by said conveyance unit; anda control unit configured, in a case where at least one surplus tabbed sheet not inserted into a corresponding one of at least one output sheet bundle is occurred in each of the tabbed sheet bundles when the at least one output sheet bundle is produced in each of which the at least one tabbed sheet is inserted into a recording sheet bundle comprised of recording sheets each formed with images on its both surfaces by a double-sided image forming operation of said image forming unit, to control said ...

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Номер записи: 30
30-01-2014 дата публикации

Member moving mechanism and image forming apparatus

Номер: US20140029997A1
Автор: Hiroaki Tsuchiya
Принадлежит: Kyocera Document Solutions Inc

A member moving mechanism according to the present invention includes: a first moving member that moves in a first positive direction and a first negative direction opposite to the first positive direction; a second moving member that moves in a second positive direction that is different from each of the first positive direction and the first negative direction, and in a second negative direction opposite to the second positive direction; a belt member that connects the first moving member and the second moving member; and a belt-member guiding member that controls a moving direction of the belt member, and changes the moving direction of the belt member at least once.

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Номер записи: 31
06-02-2014 дата публикации

SHEET TRANSPORT MECHANISM AND IMAGE FORMING APPARATUS HAVING THE SAME

Номер: US20140035225A1
Автор: KONDO KAZUHISA
Принадлежит: KYOCERA Document Solutions Inc.

A sheet transport mechanism includes a pair of transport rollers and a roller pressing mechanism. The roller pressing mechanism includes one pair of first levers, one pair of second levers, and an elastic member. The one pair of first levers are supported to swing around a first swing shaft. A rotary shaft of a second roller of the pair of transport rollers is rotatably supported by a bearing aperture formed at substantially a center of the first lever. In addition, the one pair of second levers are supported to swing around the second swing shaft. Both ends of the elastic member are connected to tip ends of the second levers. The end of each second lever rotates around the second swing shaft, and presses the first lever toward the first roller of the pair of transport rollers. 1. A sheet transport mechanism comprising:a pair of transport rollers including a first roller which is rotated by a driving force from a drive source, and a second roller which is pressed against the first roller and driven to be rotated, the pair of transport rollers being configured to nip and transport a recording medium in a nip portion between the first roller and the second roller;a pair of first levers provided at both ends of a rotary shaft of the second roller, each of the pair of first levers having a bearing aperture which rotatably supports the rotary shaft, each of the pair of first levers being configured to swing in directions of contact with and separation from the first roller with a first swing shaft extending in a direction parallel to rotary shafts of the first and second rollers as a rotation center;a pair of second levers arranged to swing in the directions of contact with and separation from the first roller around second swing shafts each provided orthogonal to the associated first swing shaft and a pressing direction of the second roller and lateral to an associated one of the pair of first levers, the pair of second levers being configured to cause the first levers ...

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Номер записи: 32
27-02-2014 дата публикации

IMAGE FORMING APPARATUS

Номер: US20140056629A1
Автор: Obata Naohiro
Принадлежит: CANON KABUSHIKI KAISHA

An image forming apparatus, which forms an image at an image forming interval and feeding timing corresponding to a predetermined recording material size, includes a control unit (a controller unit and an engine control unit) for controlling the feeding timing to be earlier, when the size of a recording material detected by a detection unit (the engine control unit and an registration sensor) is smaller than the predetermined recording material size. 1. An image forming apparatus comprising:a toner image forming unit configured to form a toner image on an image bearing member according to an image forming instruction;a transfer unit configured to transfer the toner image, which is formed on the image bearing member by the toner image forming unit, onto a recording material at a transfer portion;a feeding unit configured to feed the recording material after the toner image forming unit has started to form the toner image on the image bearing member; anda control unit configured to control an interval for forming an image on the image bearing member by the toner image forming unit and timing for feeding the recording material by the feeding unit, according to a predetermined recording material size,wherein, when a size of the recording material to be fed by the feeding unit is smaller than the predetermined recording material size, the control unit causes, without changing the interval corresponding to the predetermined recording material size, the feeding unit to feed the recording material at timing earlier than the timing corresponding to the predetermined recording material size.2. The image forming apparatus according to claim 1 , further comprising a re-feeding unit configured to stop the recording material fed by the feeding unit and to re-feed the recording material to the transfer portion in synchronization with timing when the toner image formed on the image bearing member by the toner image forming unit reaches the transfer portion.3. The image forming ...

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Номер записи: 33
27-02-2014 дата публикации

IMAGE FORMING APPARATUS

Номер: US20140056630A1
Автор: Fukumuro Tadashi, Kanno Naoki
Принадлежит: CANON KABUSHIKI KAISHA

Provided is an image forming apparatus for driving a cassette pickup roller () and a registration roller () by using the same driving source, in which a conveyance control portion () starts conveyance speed control for a subsequent sheet, which is fed from a sheet feeding position subsequently to a preceding sheet fed therefrom earlier, when it is determined that a trailing edge of the preceding sheet has passed through the registration roller (). 1. An image forming apparatus , comprising:a first conveyance portion feeding a recording material from a sheet feeding position to a conveying path;a first detection unit provided on a downstream side of the first conveyance portion in a conveying direction of the recording material and detecting one of a leading edge and a trailing edge of the recording material;a second conveyance portion provided on a downstream side of the first detection unit and conveying the recording material to a transfer position, and the first conveyance portion and the second conveyance portion being driven by the same driving source;a second detection unit provided on an upstream side of the transfer position and on a downstream side of the second conveyance portion and detecting one of the leading edge and the trailing edge of the recording material;a control unit controlling a conveyance speed of the recording material based on a result of detecting the recording material obtained by one of the first detection unit and the second detection unit so that a toner image on an image bearing member is transferred onto a predetermined position on the recording material in the transfer position;the first conveyance portion feeding a first recording material from the sheet feeding position precedingly, and then feeding a second recording material subsequently to the first recording material; andthe control unit controlling a conveyance speed of the second recording material, after a trailing edge of the first recording material passes through the ...

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Номер записи: 34
06-03-2014 дата публикации

RECORDING MEDIUM TRANSPORT DEVICE, AND IMAGE FORMING APPARATUS

Номер: US20140061997A1
Автор: MIKI Masafumi
Принадлежит: KYOCERA Document Solutions Inc.

A recording medium transport device includes a connecting member that connects two transport roller pairs, and a drive switching section that is provided to one of the two transport roller pairs, and switches between a state in which a rotational drive force is transmitted between the two transport roller pairs via the connecting member and a state in which the rotational drive force is not transmitted between the two transport roller pairs. A controller of the recording medium transport device causes the drive switching section to switch from the state in which the rotational drive force is not transmitted between the two transport roller pairs to the state in which the rotational drive force is transmitted between the two transport roller pairs via the connecting member, when the rotational speed of at least one of the transport roller pairs falls outside a predetermined speed range. 1. A recording medium transport device comprising:a transport path along which a recording medium is transported;two transport roller pairs, that are located at different positions on the transport path in a transport direction of the recording medium, and transport the recording medium;two stepping motors, that are provided for each one of the two transport roller pairs respectively, and supply a rotational drive force to the relevant transport roller pairs;a rotational speed detecting section configured to detect a rotational speed of at least one of the two transport roller pairs;a connecting member configured to connect the two transport roller pairs;a drive switching section, that is provided to one of the two transport roller pairs and is configured to switch between a state in which the rotational drive force is transmitted between the two transport roller pairs via the connecting member and a state in which the rotational drive force is not transmitted between the two transport roller pairs; anda controller configured to cause the drive switching section to switch from the ...

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Номер записи: 35
06-03-2014 дата публикации

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SHEET CONVEYING DEVICE

Номер: US20140062006A1
Автор: Fukunaga Yasuyuki, MURASHIMA Masaki
Принадлежит: KYOCERA Document Solutions Inc.

A sheet conveying device includes a sheet conveying path, a first conveying roller pair, a second conveying roller pair and a sheet guiding member. The sheet conveying path conveys a sheet in a first direction, and then, conveys the sheet in a second direction. The first conveying roller pair conveys the sheet in the first direction. The second conveying roller pair is located at a downstream side from the first conveying roller pair to convey the sheet to the second direction from the first direction. The sheet guiding member is located between the first conveying roller pair and second conveying roller pair so as to advance and retreat to the sheet conveying path, and then, in an advance state, to come into contact with a sheet face of the sheet conveyed while being bridged across the first conveying roller pair and second conveying roller pair. 1. A sheet conveying device comprising:a housing;a sheet conveying path arranged in the housing to convey a sheet in a first direction, and then, to convey the sheet in a second direction crossing the first direction;a first conveying roller pair conveying the sheet in the first direction;a second conveying roller pair located at a downstream side in a sheet conveying direction from the first conveying roller pair to convey the sheet to the second direction from the first direction; anda sheet guiding member located between the first conveying roller pair and second conveying roller pair so as to advance and retreat to the sheet conveying path, and then, in an advance state, to come into contact with a sheet face of the sheet conveyed while being bridged across the first conveying roller pair and second conveying roller pair.2. The sheet conveying device according to claim 1 , wherein the sheet guiding member advances to the sheet conveying path when thickness of the sheet conveyed in the sheet conveying path is thinner than a predetermined threshold claim 1 , and the sheet guiding member retreats from the sheet conveying ...

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Номер записи: 36
06-03-2014 дата публикации

Image Forming Apparatus

Номер: US20140062007A1
Автор: Otsuki Yasuyuki
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

An image forming apparatus has an image forming unit, a sheet supplying unit, a register roller, and a paper particle removing unit which includes a paper particle removing roller arranged to face the register roller and configured to collect paper particles on the sheet which is nipped between the register roller and the paper particle removing roller, a paper particle container configured such that the paper particles removed by the paper particle removing roller are accumulated therein, and an auger arranged inside the paper particle container. The paper particle removing roller, the paper particle container and the auger of the paper particle removing unit are configured to move together between a contact position where the paper particle removing roller contacts the register roller and a spaced position where the paper particle removing roller is spaced from the register roller. 1. An image forming apparatus , comprising:an image forming unit configured to form an image on a sheet;a sheet supplying unit configured to supply a sheet to the image forming unit;a register roller arranged on a downstream, in a sheet feeding direction, of the sheet supplying unit and on an upstream, in the sheet feeding direction, of the image forming unit; and a paper particle removing roller arranged to face the register roller and configured to collects paper particles on the sheet which is nipped between the register roller and the paper particle removing roller;', 'a paper particle container configured such that the paper particles removed by the paper particle removing roller is accumulated in the paper particle container; and', 'an auger arranged inside the paper particle container,, 'a paper particle removing unit includeswherein the paper particle removing roller, the paper particle container and the auger included in the paper particle removing unit are configured to be movable together between a contact position where the paper particle removing roller contacts the ...

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Номер записи: 37
06-03-2014 дата публикации

IMAGE FORMING APPARATUS

Номер: US20140064813A1
Автор: KAWAKAMI Yoshiteru, MATSUO Masahiro, YOSHIMURA Osamu
Принадлежит: KONICA MINOLTA, INC.

An improved image forming apparatus is described in which, even when a conveyance unit is switched from a pressure engaged state to a disengaged state, misalignment of a sheet during conveyance can be inhibited. A control unit conveys a sheet between a transfer unit and paper stop rollers, while forming a loop of the sheet therebetween, by setting the speed of conveying the sheet passing between the paper stop rollers to be higher than the speed of conveying the sheet passing through the transfer unit. In addition to this, when the pair of rollers serving as the paper stop rollers are switched from a pressure engaged state to a disengaged state, the paper stop rollers are controlled to reduce the speed of conveying the sheet therethrough in advance of this switching operation. 1. An image forming apparatus comprising:a first conveyance unit provided with a pair of rotary members capable of switching between a pressure engaged state and a disengaged state, and configured to convey a sheet;a second conveyance unit located on a conveyance route of the sheet in the downstream side of said first conveyance unit, provided with a pair of rotary members, and configured to convey the sheet; anda control unit configured to control said first conveyance unit and said second conveyance unit, whereinsaid control unit controls said first conveyance unit and said second conveyance unit in order thatthe speed of conveying the sheet by said first conveyance unit is higher than the speed of conveying the sheet by said second conveyance unit so that a loop is formed between said first conveyance unit and said second conveyance unit, and thatwhen the pair of rotary members of said first conveyance unit is switched from the pressure engaged state to the disengaged state, the speed of conveying the sheet by said first conveyance unit is reduced in advance of this switching operation.2. The image forming apparatus of further comprising:a transfer unit configured to transfer an image to a ...

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Номер записи: 38
03-04-2014 дата публикации

Image Forming Apparatus

Номер: US20140091513A1
Автор: Ueyama Junki
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

An image forming apparatus has a main body having a sheet feed path and an opening. A sheet placing part defined in the main body. The sheet inserted through the opening is placed on the sheet placing part. A supply roller arranged to face the placing part and feeds the sheet placed on the sheet placing part in a sheet feed direction toward the sheet feed path, a frame arranged to face the sheet placing part and configured to support the supply roller, the frame having a protruded part protruded on an opening side with respect to the supply roller. An image forming unit is provided inside the main body. An inclined surface is formed on a side of the protruded part facing the sheet placing part, and the protruded part has an inclined surface facing the sheet placing part and inclined such that a distance between the inclined surface and the sheet placing part becomes gradually smaller toward the supply roller. 1. An image forming apparatus , comprising:a main body having a sheet feed path configured such that a sheet is fed along the sheet feed path and an opening through which an inside and an outside of the main body communicate with each other;a sheet placing part defined in the main body and configured such that the sheet inserted, through the opening, in the main body is placed on the sheet placing part;a supply roller arranged to face the sheet placing part and configured to feed the sheet placed on the sheet placing part in a sheet feed direction toward the sheet feed path;a frame arranged to face the sheet placing part and configured to support the supply roller, the frame having a protruded part which is protruded, in the sheet feed direction, on an opening side with respect to the supply roller; andan image forming unit provided inside the main body and configured to form an image on the sheet,wherein the protruding part comprises an inclined surface facing the sheet placing part and inclined such that a distance between the inclined surface and the sheet ...

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Номер записи: 39
03-04-2014 дата публикации

TRANSPORT APPARATUS AND RECORDING APPARATUS PROVIDED WITH THE SAME

Номер: US20140091517A1
Автор: OKUMURA Masayuki
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A transport apparatus includes: a guide surface which extends in a transport direction for transporting a medium and which is configured to guide the medium to be transported; a first roller which is a driving roller for transporting the medium; a second roller which is a driven roller arranged to face the first roller; and a roller support member which rotatably supports the second roller and which is configured to be pivotable about a support shaft perpendicular to an axis of a rotational shaft of the second roller between a first position and a second position. 1. A transport apparatus comprising:a guide surface which extends in a transport direction for transporting a medium and which is configured to guide the medium to be transported;a first roller which is a driving roller for transporting the medium;a second roller which is a driven roller arranged to face the first roller; anda roller support member which rotatably supports the second roller and which is configured to be pivotable about a support shaft perpendicular to an axis of a rotational shaft of the second roller between a first position and a second position,wherein in a state that the roller support member is positioned at the first position, an angle formed by a portion of the guide surface, which is disposed on a downstream side in the transport direction from a point of intersection between the axis of the rotational shaft of the second roller and the guide surface, and the axis of the rotational shaft of the second roller is an acute angle, andwherein in a state that the roller support member is positioned at the second position, the angle approaches a right angle as compared with the state that the roller support member is positioned at the first position.2. The transport apparatus according to claim 1 , further comprising a first urging member which urges the roller support member in a direction in which the second roller is disposed at the first position.3. The transport apparatus according ...

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Номер записи: 40
01-01-2015 дата публикации

SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20150001784A1
Автор: Sekigawa Akito
Принадлежит:

To suppress the bending of sheets, a sheet conveying apparatus comprising: a sheet conveying portion including an abutting portion for abutting against an end portion of the sheet supported by a supporting portion and which conveys the sheet being abutted against the abutting portion by moving in a predetermined moving direction; and a pressing portion which is provided on the sheet conveying portion such that the pressing portion is movable in a thickness direction of the sheet and which presses the sheet toward the supporting portion, wherein the pressing portion includes: an inclined portion arranged to be closer to the supporting portion at an upstream side than a downstream side; and a contacting portion configured to contact a surface of the sheet being abutted against the abutting portion to press the sheet to the supporting portion at a position distant from the abutting portion. 1. A sheet conveying apparatus comprising:a supporting portion which supports a sheet;a sheet conveying portion which includes an abutting portion for abutting against an end portion of the sheet supported by the supporting portion and which conveys the sheet being abutted against the abutting portion by moving in a predetermined moving direction; anda pressing portion which is provided on the sheet conveying portion in such a way that the pressing portion is movable in a thickness direction of the sheet and which presses the sheet toward the supporting portion, wherein the pressing portion includes:an inclined portion arranged in a manner so as to be closer to the supporting portion at an upstream side in the predetermined moving direction than a downstream side in the predetermined moving direction; anda contacting portion configured to contact a surface of the sheet being abutted against the abutting portion to press the sheet to the supporting portion at a position distant from the abutting portion.2. A sheet conveying apparatus according to claim 1 , wherein the pressing ...

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Номер записи: 41
07-01-2016 дата публикации

Conveyance path forming body and conveying machine

Номер: US20160001998A1
Автор: Kiyoshi Hosoi, Seigo Makida, Takao Furuya
Принадлежит: Fuji Xerox Co Ltd

A conveyance path forming body includes: a first surface that is disposed on an opposite side of a sheet to a processing unit disposed on a side of one surface of the sheet being conveyed along a conveyance path to perform processing on the one surface; and a second surface that is disposed at a downstream of the first surface in a conveying direction of the sheet so as to be more distant from the processing unit than a hypothetical extension surface of the first surface.

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Номер записи: 42
02-01-2020 дата публикации

SHEET CONVEYING APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS

Номер: US20200002113A1
Автор: YAMADA Kaname
Принадлежит:

A sheet conveying apparatus includes a sheet conveyance section, a roller pair unit, first and second guides, and a movable guide including an upstream portion extending upstream in the sheet conveying direction with respect to the nip portion and a downstream portion extending downstream in the sheet conveying direction with respect to the nip portion. The roller pair unit nips the sheet, warps the sheet in a case where a leading end of the sheet conveyed by the sheet conveyance section comes into contact with the roller pair unit, and conveys the sheet. The first guide opposes a first side of the sheet and guides the sheet. The second guide opposes a second side of the sheet. The movable guide opposes the first side of the sheet and moves in such a manner that the downstream portion of the movable guide moves closer to or away from the second guide. 1. A sheet conveying apparatus comprising:a sheet conveyance section configured to convey a sheet in a sheet conveying direction;a roller pair unit configured to nip and convey the sheet, and to warp the sheet in a case where a leading end of the sheet conveyed by the sheet conveyance section comes into contact with the roller pair unit;a first guide configured to oppose a first side of the sheet and to guide the sheet;a second guide configured to oppose a second side of the sheet that is opposite to the first side; anda movable guide including an upstream portion extending upstream in the sheet conveying direction with respect to the nip portion and a downstream portion extending downstream in the sheet conveying direction with respect to the nip portion,wherein the movable guide is configured to oppose the first side of the sheet and to be movable in such a manner that, in a case where the movable guide moves, the downstream portion of the movable guide moves closer to or away from the second guide.2. The sheet conveying apparatus according to claim 1 ,wherein, in a case in which the roller pair unit does not convey ...

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Номер записи: 43
03-01-2019 дата публикации

PRINT OUTPUT AUXILIARY DEVICE AND PRINTING APPARATUS

Номер: US20190002223A1
Автор: FAN Zhiguo, TANG Bojiong
Принадлежит:

An auxiliary device and a printing apparatus are provided. The printing apparatus includes a print output device, including a print exit. The printing apparatus also includes an auxiliary device disposed at the print exit of the print output device and having a first position state and a second position state. During a transition of the auxiliary device between the first position state and the second position state, the auxiliary device pushes print outputted from the print exit to move in a direction away from the print exit. 1. A printing apparatus , comprising:a print output device, including a print exit; and 'wherein, during a transition of the auxiliary device between the first position state and the second position state, the auxiliary device pushes print outputted from the print exit to move in a direction away from the print exit.', 'an auxiliary device, disposed at the print exit of the print output device and having a first position state and a second position state,'}2. The apparatus according to claim 1 , wherein:the auxiliary device includes: an output auxiliary member having a first terminal disposed on a housing of the printing apparatus, and a second terminal suspended at the print exit; andthe output auxiliary member has a first auxiliary position state and a second auxiliary position state, and during a transition between the first auxiliary position state and the second auxiliary position state, the output auxiliary member pushes the print outputted from the print exit to move in the direction away from the print exit.3. The apparatus according to claim 2 , wherein:the output auxiliary member is at least partially made of an elastic material, and the elastic material provides elastic deformation to switch the output auxiliary member between the first auxiliary position state and the second auxiliary position state.4. The apparatus according to claim 3 , wherein: a weight body and an elastic part made of the elastic material,', 'wherein a first ...

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Номер записи: 44
01-01-2015 дата публикации

IMAGE FORMING APPARATUS

Номер: US20150003883A1
Автор: Honda Takahiro, Kokomoto Mari, MIYAMOTO Kenji
Принадлежит:

An image forming apparatus according to one aspect of the present disclosure includes an image forming portion, a curling correction portion, and a speed control portion. The image forming portion forms an image on a recording medium. The curling correction portion has one pair of rollers composed of members that respectively have different elasticities and are pressed against each other, and corrects curling that has occurred in the recording medium after image formation performed thereon by the image forming portion, by conveying the recording medium sandwiched with the roller pair. The speed control portion changes a conveyance speed of the recording medium by the roller pair based on a density value of an image formed on the recording medium. 1. An image forming apparatus comprising:an image forming portion configured to form an image on a recording medium;a curling correction portion having one pair of rollers composed of members that respectively have different elasticities and are pressed against each other, the curling correction portion configured to correct curling that has occurred in the recording medium after image formation performed thereon by the image forming portion, by conveying the recording medium sandwiched with the roller pair; anda speed control portion configured to change a conveyance speed of the recording medium by the roller pair based on a density value of an image formed on the recording medium.2. The image forming apparatus according to claim 1 , whereinwhen the density value of the image is greater than or equal to a reference value, the speed control portion changes the conveyance speed by the roller pair to a first speed determined in advance, and when the density value of the image is less than the reference value, the speed control portion changes the conveyance speed by the roller pair to a second speed faster than the first speed.3. The image forming apparatus according to claim 1 , further comprising:a density obtaining ...

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Номер записи: 45
05-01-2017 дата публикации

BELT FEEDING DEVICE AND IMAGE FORMING APPARATUS

Номер: US20170003636A1
Автор: KISHI Takehiro, Shigihara Keita
Принадлежит:

A belt feeding device includes a belt, a first roller, an opposing roller, a second roller, and a brush roller. (|D2s−D2m|/2)×10≧λ≧(|D2s−D2m|/2)×(b/(a+b)) is satisfied, where D2m is a minimum diameter of the first roller, D2s is a maximum diameter of the first roller, λ is an entering amount of the opposing roller into the brush roller with respect to a reference line A between a portion of the first roller having the minimum diameter D2m and the second roller, a is a distance between a line passing through a rotation center of the first roller and a line passing through a rotation center of the opposing roller, and b is a distance between a line passing through a rotation center of the second roller and a line passing through the rotation center of the opposing roller. 1. A belt feeding device comprising:a movable endless belt configured to feed a recording material on which a toner image is carried;a plurality of rollers contacting an inner peripheral surface of said belt and including a first roller, an opposing roller and a second roller,wherein said first roller is smaller in diameter at a central portion than at an end portion in a region including a belt contact region thereof with respect to a rotational axis direction thereof,wherein said opposite roller is provided downstream of and adjacent to said first roller with respect to a movement direction of said belt and is constant in diameter in a region including a belt contact region thereof with respect to a rotational axis direction thereof,wherein said second roller is provided downstream of and adjacent to said opposing roller with respect to the movement direction of said belt and is constant in diameter in a region including a belt contact region thereof with respect to a rotational axis direction thereof; anda rotatable brush roller configured to remove a toner deposited on an outer peripheral surface of said belt, wherein said brush roller is provided at a position opposing said opposing roller via ...

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Номер записи: 46
05-01-2017 дата публикации

IMAGE FORMING APPARATUS INCLUDING AIR BLOWER, AND SHEET GUIDE USED IN IMAGE FORMING APPARATUS

Номер: US20170003648A1
Автор: Arata Tatsuro
Принадлежит:

An image forming apparatus includes a laser scanning unit, an upper guide member, a plurality of reinforcing ribs, and an air blower. The upper guide member is provided below the laser scanning unit and forms an upper guide surface of a sheet conveyance path extending in a direction along a bottom surface of the laser scanning unit. The plurality of reinforcing ribs are provided on an upper surface of the upper guide member and extend in a predetermined direction. The air blower is configured to send air to a space between the plurality of adjacent reinforcing ribs. 1. An image forming apparatus comprising:a laser scanning unit;an upper guide member provided below the laser scanning unit and forming an upper guide surface of a sheet conveyance path extending in a direction along a bottom surface of the laser scanning unit;a plurality of reinforcing ribs provided on an upper surface of the upper guide member and extending in a predetermined direction; andan air blower configured to send air to a space between the plurality of adjacent reinforcing ribs.2. The image forming apparatus according to claim 1 , whereina motor is provided on a bottom plate of the laser scanning unit and configured to drive a scanning member, andof the plurality of reinforcing ribs, a pair of reinforcing ribs are provided on the upper surface of the upper guide member such that a motor position at which the motor is provided is located therebetween.3. The image forming apparatus according to claim 2 , wherein the plurality of reinforcing ribs extend in an orthogonal direction orthogonal to a direction in which a sheet member in the sheet conveyance path is conveyed.4. The image forming apparatus according to claim 3 , wherein an air passage is formed below the motor position so as to be surrounded by the upper surface of the upper guide member and the pair of reinforcing ribs and extend in the orthogonal direction.5. The image forming apparatus according to claim 4 , whereina discharge port ...

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Номер записи: 47
07-01-2016 дата публикации

IMAGE FORMING APPARATUS HAVING A CONVEYING PATH, OPTION APPARATUS AND IMAGE FORMING SYSTEM

Номер: US20160004203A1
Автор: Hashii Hiroki, Yoshizawa Ryuichi
Принадлежит:

An image forming system includes an option apparatus having a first conveying path; and an image forming apparatus having a second conveying path configured to be connected to the first conveying path. The image forming apparatus includes a sensor configured to detect a recording material conveyed on the second conveying path at a first speed; and a first controller configured to notify the option apparatus of a detection timing of the recording material. The option apparatus includes a second controller configured to determine whether the detection timing is different from a predetermined timing upon receiving a notification of the detection timing, and, if it is different, to determine a second speed based on the detection timing and the predetermined timing and change the conveying speed of the recording material from the first speed to the second speed. 1. An image forming system comprising:an option apparatus having a first conveying path; andan image forming apparatus configured to be connected to the option apparatus and having a second conveying path configured to be connected to the first conveying path of the option apparatus when the image forming apparatus is connected to the option apparatus, wherein the image forming apparatus includes:a sensor configured to detect a recording material conveyed on the second conveying path at a first speed; anda first controller configured to notify the option apparatus of a detection timing of the recording material by the sensor, and, if the detection timing is different from a predetermined timing, to determine a second speed based on the detection timing and the predetermined timing and change the conveying speed of the recording material on the second conveying path from the first speed to the second speed, andthe option apparatus includes:a second controller configured to determine whether the detection timing is different from the predetermined timing upon receiving a notification of the detection timing from ...

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Номер записи: 48
13-01-2022 дата публикации

SHEET ALIGNMENT APPARATUS, SHEET PROCESSING APPARATUS, AND IMAGE FORMING SYSTEM

Номер: US20220009740A1
Автор: Tsuji Hiroharu
Принадлежит:

A sheet alignment apparatus includes a supporting portion configured to support a sheet, a first alignment member configured to abut an end portion in a first direction of the sheet supported by the supporting portion and align a position of the sheet in the first direction, a first moving unit configured to move the first alignment member in the first direction, a second alignment member configured to abut an end portion in a second direction of the sheet supported by the supporting portion and align a position of the sheet in the second direction, the second direction being perpendicular to the first direction, and a second moving unit configured to move the second alignment member in the second direction, wherein the first moving unit is disposed below the supporting portion, and wherein the second moving unit is disposed above the supporting portion. 1. A sheet alignment apparatus comprising:a supporting portion configured to support a sheet;a first alignment member configured to abut an end portion in a first direction of the sheet supported by the supporting portion and align a position of the sheet in the first direction;a first moving unit configured to move the first alignment member in the first direction;a second alignment member configured to abut an end portion in a second direction of the sheet supported by the supporting portion and align a position of the sheet in the second direction, the second direction being perpendicular to the first direction; anda second moving unit configured to move the second alignment member in the second direction,wherein the first moving unit is disposed below the supporting portion, andwherein the second moving unit is disposed above the supporting portion.2. The sheet alignment apparatus according to claim 1 ,wherein, as viewed in a third direction perpendicular to the first direction and the second direction, a movement region in which the first alignment member is moved on the supporting portion by the first moving ...

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Номер записи: 49
13-01-2022 дата публикации

IMAGE FORMING APPARATUS

Номер: US20220011708A1
Автор: OKUBO Takahiro
Принадлежит:

An image forming apparatus includes: as a conveyance to convey an object formed with an image, an upstream-side conveyance path; an intermediate conveyance path connected to a downstream end part of the upstream-side conveyance path via a first bent part; and a downstream-side conveyance path connected to the intermediate conveyance path via a second bent part, wherein the second bent part is bent to a side opposite to the first bent part, on an inner side of a bend of the first bent part, a friction reducing part capable of abutting with the object conveyed in the first bent part is provided, and the intermediate conveyance path includes: a pair of guide parts forming the intermediate conveyance path; and a friction reducing part that is provided on both a pair of the guide parts and is capable of abutting with the object conveyed between a pair of the guide parts. 1. An image forming apparatus comprising:as a conveyance to convey an object formed with an image,an upstream-side conveyance path;an intermediate conveyance path connected to a downstream end part of the upstream-side conveyance path via a first bent part; anda downstream-side conveyance path connected to the intermediate conveyance path via a second bent part, whereinthe second bent part is bent to a side opposite to the first bent part,on an inner side of a bend of the first bent part, a friction reducing part capable of abutting with the object conveyed in the first bent part is provided, andthe intermediate conveyance path includes: a pair of guide parts facing each other and forming the intermediate conveyance path; and a friction reducing part that is provided on both a pair of the guide parts and is capable of abutting with the object conveyed between a pair of the guide parts.2. The image forming apparatus according to claim 1 , whereinthe friction reducing part is a roller or a bearing.3. The image forming apparatus according to claim 1 , whereinat least one of a pair of the guide parts is ...

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Номер записи: 50
03-01-2019 дата публикации

IMAGE FORMING APPARATUS AND DEVELOPING DEVICE

Номер: US20190004465A1
Автор: HONDA Fumiyuki, Kato Masanori, MATSUDA Shiho, NAKAJIMA Yoshitaka, OZAKI Yoshifumi, TAMAZAWA Norihiro, UCHIYAMA Junichi, URAYAMA Kenta, YOSHII Tomoyuki
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes: an image carrier that carries an image; a transport-path forming part that forms a transport path for developer used to develop the image carried by the image carrier; a transport member that transports the developer in the transport path; and a concentration detector that detects toner concentration in the developer in the transport path. The transport path includes a first portion and a second portion. Difference in sectional area between the second portion and the transport member in a direction intersecting a direction in which the developer is transported is smaller than difference in sectional area between the first portion and the transport member. The second portion is located downstream of the first portion in the direction in which the developer is transported. The concentration detector is disposed in the second position of the transport path. 1. An image forming apparatus comprising:an image carrier that carries an image;a transport-path forming part that forms a transport path for developer used to develop the image carried by the image carrier;a transport member that transports the developer in the transport path; anda concentration detector that detects toner concentration in the developer in the transport path, whereinthe transport path includes a first portion and a second portion, difference in sectional area between the first portion and the transport member in a direction intersecting a direction in which the developer is transported being different from difference in sectional area between the second portion and the transport member,the difference in sectional area between the second portion and the transport member in the direction intersecting the direction in which the developer is transported is smaller than the difference in sectional area between the first portion and the transport member,the second portion is located downstream of the first portion in the direction in which the developer is transported ...

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Номер записи: 51
08-01-2015 дата публикации

IMAGE FORMING APPARATUS

Номер: US20150008636A1
Автор: Tsuda Masaaki
Принадлежит: RICOH COMPANY, LTD.

An image forming apparatus includes a first roller to come into contact with a first side of a recording medium and a second roller and a third roller to come into contact with a second side of the recording medium opposite the first side. Each of the first roller, the second roller, and the third roller includes a plurality of increased diameter portions and a plurality of decreased diameter portions alternately arranged in an axial direction of each of the first roller, the second roller, and the third roller to produce an uneven outer circumferential surface thereof. The increased diameter portions of the first roller overlap the increased diameter portions of each of the second roller and the third roller, respectively, with a clearance therebetween. 1. An image forming apparatus comprising:a first roller to come into contact with a first side of a recording medium that bears an image to convey the recording medium;a second roller disposed opposite the first roller; anda third roller disposed opposite the first roller and aligned with the second roller in a recording medium conveyance direction,the second roller and the third roller to come into contact with a second side of the recording medium opposite the first side thereof to convey the recording medium, a plurality of increased diameter portions, each having an increased diameter; and', 'a plurality of decreased diameter portions, each having a decreased diameter,', 'each of the plurality of increased diameter portions and each of the plurality of decreased diameter portions alternately arranged in an axial direction of each of the first roller, the second roller, and the third roller to produce an uneven outer circumferential surface thereof,, 'each of the first roller, the second roller, and the third roller includingwherein the plurality of increased diameter portions of the second roller is isolated from the plurality of increased diameter portions of the third roller, andwherein the plurality of ...

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Номер записи: 52
08-01-2015 дата публикации

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME

Номер: US20150008637A1
Автор: ICHIKAWA Hiroshi
Принадлежит:

A sheet conveying device includes: first, second and third rollers, a conveying member, a frame, a first pressing member, and a force-generating unit. The first and second rollers rotate while nipping the sheet therebetween. The third roller and the conveying member nip the sheet therebetween. The frame is elongated parallel to an axis about which the third roller rotates and supports the third roller. The first pressing member applies a first pressing force to an axial center of the first roller to press the first roller toward the second roller and applies a reaction force of the first pressing force to the frame to press the frame in a direction toward the conveying member. The force-generating unit generates a nipping force for nipping the sheet between the third roller and the conveying member and applies an urging force to the frame in a direction away from the conveying member. 1. A sheet conveying device configured to convey a sheet along a sheet-conveying path , the sheet conveying device comprising:a first roller configured to rotate while contacting the sheet, the first roller rotating about a rotational axis extending in an axial direction and having an axial center region in the axial direction;a second roller disposed in confrontation with the first roller, the second roller being configured to rotate while nipping the sheet in cooperation with the first roller;a third roller disposed spaced apart from the first roller, the third roller rotating about a rotational axis extending in the axial direction and being configured to rotate while contacting the sheet;a conveying member disposed in confrontation with the third roller, the conveying member being configured to nip the sheet in cooperation with the third roller;a frame elongated in the axial direction and supporting the third roller;a first pressing member configured to apply a first pressing force to the axial center region of the first roller to press the first roller toward the second roller, ...

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Номер записи: 53
20-01-2022 дата публикации

IMAGE FORMING APPARATUS

Номер: US20220019153A1
Автор: SATO Kazumi
Принадлежит:

Disclosed is an image forming apparatus having a first mode in which a photosensitive drum is rotated at a first rotational speed and a second mode in which the photosensitive drum is rotated at a second rotational speed slower than the first rotational speed. In this image forming apparatus, the light-emitting portions are controlled such that the number of light-emitting rows for multiply exposing regions each of which corresponds to one pixel on the photosensitive drum in the first mode is greater than that in the second mode. 1. An image forming apparatus including a rotating photosensitive drum , the image forming apparatus being capable of performing a first mode in which the photosensitive drum is rotated at a first rotating speed and a second mode in which the photosensitive drum is rotated at a second rotating speed lower than the first rotating speed , the image forming apparatus comprising:an exposure head including light-emitting rows each of which includes light-emitting portions configured to emit light for exposing the photosensitive drum, the light-emitting portions being arranged along a rotational axis direction of the photosensitive drum, the light-emitting rows being arranged in a direction crossing the rotational axis direction, the exposure head being configured to multiply expose regions each of which corresponds to one pixel on the photosensitive drum with light-emitting portions included in a plurality of rows out of the light-emitting rows; anda control unit configured to control the light-emitting portions such that each region of the regions is multiply exposed by light-emitting portions included in a plurality of rows out of the light-emitting rows, and such that the number of a plurality of rows of light-emitting portions that emit light for multiply exposing the each region in the first mode is greater than that in the second mode.2. The image forming apparatus according to claim 1 ,wherein the control unit controls the light-emitting ...

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Номер записи: 54
02-01-2020 дата публикации

SHEET CONVEYING APPARATUS AND IMAGE SCANNING APPARATUS

Номер: US20200007704A1
Автор: Fukushima Takayuki
Принадлежит:

A sheet conveying apparatus includes first and second drive sources, first and second driving units, each including a respective first or second roller to convey a sheet, an operating unit, and a switching unit to switch a state of the sheet conveying apparatus between a first state in which the first driving unit and the second driving unit are not connected to each other and a second state in which the first driving unit and the second driving unit are connected to each other. A first drive source driving force drives the first driving unit. A second drive source driving force drives the second driving unit. The operating unit rotates when manually operated. In the second state, operating unit rotation is transmitted to the first driving unit to rotate the first roller, and operating unit rotation is transmitted to the second driving unit to rotate the second roller. 1. A sheet conveying apparatus comprising:a first drive source;a first driving unit configured to be driven by a driving force of the first drive source and including a first roller configured to convey a sheet;a second drive source;a second driving unit configured to be driven by a driving force of the second drive source and including a second roller configured to convey the sheet;an operating unit configured to rotate when manually operated; anda switching unit configured to switch a state of the sheet conveying apparatus between a first state in which the first driving unit and the second driving unit are not connected to each other and a second state in which the first driving unit and the second driving unit are connected to each other,wherein, in the second state, rotation of the operating unit is transmitted to the first driving unit to rotate the first roller, and rotation of the operating unit is transmitted to the second driving unit to rotate the second roller.2. The sheet conveying apparatus according to claim 1 ,wherein the switching unit includes a movable gear,wherein, in the first ...

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Номер записи: 55
12-01-2017 дата публикации

IMAGING APPARATUS AND METHODS FOR BINDERY SYSTEMS

Номер: US20170008714A1
Автор: Rose Todd Tracy, Wyble Ty Daniel
Принадлежит:

Imaging apparatus and methods for bindery systems are disclosed. An example method includes engaging a signature assembly with an end of a separator to cause 1) a first page of the signature assembly to be disposed on a platform and 2) a second page of the signature assembly to be disposed on the side of the platform; drawing the first page toward the platform; and imaging the first page when the first page is on the platform. 1. A method , comprising:{'b': 1', '2, 'engaging a signature assembly with an end of a separator to cause ) a first page of the signature assembly to be disposed on a platform and ) a second page of the signature assembly to be disposed on the side of the platform;'}drawing the first page toward the platform; andimaging the first page when the first page is on the platform.2. The method of claim 1 , wherein drawing the first page toward the platform includes drawing the first page toward a moving conveyor.3. The method of claim 2 , wherein drawings the first page toward the platform includes drawing air through apertures of the moving conveyor.4. The method of claim 1 , further including transitioning the first page relative to the platform.5. The method of claim 4 , wherein transitioning the first page relative to the platform includes moving a conveyor relative to the platform.6. The method of claim 1 , further including determining a presence of the signature assembly approaching the platform.7. The method of claim 6 , further including claim 6 , in response to determining the presence of the signature assembly approaching the platform claim 6 , initiating drawing air through the platform to enable the first page to be drawn toward the platform.8. The method of claim 1 , wherein the signature assembly is a first signature assembly claim 1 , further including:{'b': 1', '2, 'engaging a second signature assembly with the end of the separator to cause ) a first page of the second signature assembly to be disposed on the platform and ) a second ...

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Номер записи: 56
11-01-2018 дата публикации

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

Номер: US20180009244A1
Автор: SAITA Hirofumi
Принадлежит: FUJIFILM Corporation

Provided are an image forming apparatus and an image forming method capable of coping with a medium exceeding a transport limit of a pair of rollers in image formation in which the medium is transported with the medium interposed between the pair of rollers. In a case where a medium exceeding a transport limit of first transport means to which medium transport using a first roller and a second roller is applied is used, second transport means is used to assist in the medium transport performed by the first transport means. The driving of second driving means for driving the second transport means is controlled using a driving signal applied to the driving control of the first driving means for driving the first transport means. Medium transport in which synchronization is taken between the first transport means and the second transport means is realized. 1. An image forming apparatus comprising:first transport means for pinching a medium between a first roller and a second roller and driving at least any one of the first roller or the second roller to transport the medium;image forming means for forming an image on the transported medium;first driving means for driving at least any one of the first roller or the second roller, the first driving means including first coupling means coupled to at least any one of the first roller or the second roller, and a first driving source coupled to at least any one of the first roller or the second roller via the first coupling means;first driving control means for controlling the driving of the first driving means;driving signal output means for outputting a driving signal to be applied to the control of the driving of the first driving means;second transport means disposed on at least any one of an upstream side or a downstream side of the image forming means in a medium transport direction for assisting in the transport of the medium by the first transport means;second driving means for driving the second transport means; ...

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Номер записи: 57
11-01-2018 дата публикации

POST-PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

Номер: US20180009615A1
Автор: AMARUME Katsushi, ICHIKAWA Takeshi, MASAKI Shinji, SAKUMA Akira, SUZUKI Kenji
Принадлежит: FUJI XEROX CO., LTD.

A post-processing apparatus includes a side edge part removing portion that removes a side edge part from a sheet; a side edge part housing portion that houses the removed side edge part and is able to be pulled out from an apparatus body; a guide plate that is inclined in a direction intersecting with a moving direction of the side edge part and guides the removed side edge part along the moving direction to the housing portion; and a second guide plate that is arranged between the housing portion and the guide plate, and is transformable into a first form having substantially mountain-shaped inclined surfaces in which both end portions of the second guide plate along the moving direction are lower than a center portion thereof, and a second form having substantially valley-shaped inclined surfaces in which both the end portions are higher than the center portion. 1. A post-processing apparatus comprising:a side edge part removing portion that removes a side edge part from a sheet;a side edge part housing portion that houses the side edge part of the sheet removed by the side edge part removing portion and that is able to be pulled out from an apparatus body;a guide plate that is inclined in a direction intersecting with a moving direction of the side edge part and guides the side edge part removed by the side edge part removing portion along the moving direction of the side edge part to the side edge part housing portion; anda second guide plate that is arranged between the side edge part housing portion and the guide plate, and is able to be transformed into a first form having substantially mountain-shaped inclined surfaces in which both end portions of the second guide plate along the moving direction of the side edge part are lower than a center portion of the second guide plate, and a second form having substantially valley-shaped inclined surfaces in which both the end portions are higher than the center portion.2. The post-processing apparatus according to ...

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Номер записи: 58
12-01-2017 дата публикации

Image Forming Apparatus

Номер: US20170010575A1
Автор: SAKUMA Susumu, SATO Shougo
Принадлежит:

An image forming apparatus includes: an image forming unit having a plurality of photoconductor drums arranged in tandem; an intermediate transfer belt arranged opposite to the photoconductor drums and configured to receive developer images formed on the photoconductor drums and to transfer the developer images onto a recording sheet; a cleaning unit comprising a cleaning member positioned in contact with the intermediate transfer belt and configured to collect substance adhering to the intermediate transfer belt, and a receptacle configured to store the substance collected by the cleaning member, wherein the cleaning unit is arranged on the same side as the image forming unit with respect to the intermediate transfer belt; and a support member configured to support the image forming unit and the cleaning unit and to be pulled out from a main body. 1. An image forming apparatus comprising:a main body including a front cover;a sheet feed tray; a cartridge accommodating a toner;', 'an intermediate transfer belt configured to make contact with a photoconductor drum;', 'a fixing unit configured to fix a toner image on the sheet and spaced apart from the front cover in a first direction, the cartridge being disposed between the fixing unit and the front cover in the first direction; and', 'a secondary transfer roller for transferring the toner image carried on the intermediate transfer belt onto the sheet and disposed under the fixing unit; and, 'an image forming device configured to form an image on a sheet supplied from the sheet feeding tray, the image forming device comprisinga feed roller for feeding the sheet conveyed from the sheet feed tray towards the image forming device,wherein a first distance between the feed roller and the front cover in the first direction is smaller than a second distance between the feed roller and the secondary transfer roller in the first direction.2. The image forming apparatus according to claim 1 , further comprises a conveyance ...

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Номер записи: 59
09-01-2020 дата публикации

SHEET CONVEYANCE APPARATUS, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20200010295A1
Автор: Hishinuma Norikazu
Принадлежит:

A sheet conveyance apparatus includes a cover unit, a base unit, a roller unit configured to be detachable from the cover unit, and comprising a roller configured to convey the sheet along a conveyance path and a holder comprising an arm portion configured to extend in a width direction orthogonal to a sheet conveyance direction, a cam configured to swing the holder by rotating, and a cover member configured to be openable and closable with respect to the cover unit and configured to cover at least a portion of the arm portion against the conveyance path in a closed state, the cover member being opened by being pressed by the arm portion in a case where the roller unit is detached from the cover unit. 1. A sheet conveyance apparatus comprising:a cover unit comprising a first guide;a base unit configured to support the cover unit in an openable and closable manner, and comprising a second guide, the first guide and the second guide forming a conveyance path in a state where the cover unit is closed with respect to the base unit;a roller unit configured to be detachable from the cover unit, and comprising a roller configured to convey the sheet along the conveyance path and a holder configured to rotatably support the roller, the holder comprising an arm portion configured to extend in a width direction orthogonal to a sheet conveyance direction;a cam arranged on an outside of the conveyance path in the width direction and configured to abut against the arm portion, the cam being configured to swing the holder by rotating; anda cover member configured to be openable and closable with respect to the cover unit and configured to cover at least a portion of the arm portion against the conveyance path in a closed state, the cover member being opened by being pressed by the arm portion in a case where the roller unit is detached from the cover unit.2. The sheet conveyance apparatus according to claim 1 , wherein the cover unit comprises an engaged portion claim 1 ,the ...

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Номер записи: 60
27-01-2022 дата публикации

MOTOR CONTROL APPARATUS FOR DETECTING ROTOR POSITIONS OF A PLURALITY OF MOTORS AND IMAGE FORMING APPARATUS

Номер: US20220029562A1
Автор: Maeda Yasukazu, Miyashita Takuya, Ohashi Eijiro
Принадлежит:

A motor control apparatus includes: an excitation unit configured to excite a plurality of excitation phases of each of a plurality of motors that include first to Nth motors and a control unit configured to control the excitation unit so as to perform detection excitation processing for sequentially exciting the plurality of excitation phases for each excitation cycle during each excitation period, regarding each of the first to Nth motors, and thereby detect rotor positions of the respective first to Nth motors. When detecting rotor positions of the respective first to Nth motors, the control unit delays a start timing of the detection excitation processing of at least one motor out of the first to Nth motors relative to a start timing of the detection excitation processing of another motor by a period shorter than the excitation period. 1. A motor control apparatus comprising:an excitation unit configured to excite a plurality of excitation phases of each of a plurality of motors that include first to Nth motors (N is an integer of two or greater), based on an input voltage; anda control unit configured to control the excitation unit and to detect rotor positions of the respective first to Nth motors,wherein, in a case where detecting the rotor positions, a peak of excitation currents of the first motor does not overlap a peak of excitation currents of a second motor.220.-. (canceled)21. The motor control apparatus according to claim 1 ,wherein, when detecting rotor positions of the respective first to Nth motors, the control unit sets start timings of the detection excitation processing of the respective first to Nth motors to be different.22. The motor control apparatus according to claim 1 ,wherein, after starting the detection excitation processing of a k-th motor (k is an integer of 1 to N−1), the control unit starts the detection excitation processing of a (k+1)th motor, anda period from when the detection excitation processing of the first motor is started ...

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Номер записи: 61
11-01-2018 дата публикации

POST PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

Номер: US20180011438A1
Автор: AMARUME Katsushi, Ishikawa Daisuke, MASAKI Shinji, SAKUMA Akira, SUZUKI Kenji
Принадлежит: FUJI XEROX CO., LTD.

A post-processing apparatus includes a side edge part removing portion that removes a side edge part from a sheet; a side edge part housing section that houses the side edge part removed by the side edge part removing portion and that is able to be pulled out from an apparatus body; and a guide plate that is inclined in a direction intersecting with a moving direction of the side edge part and guides the side edge part removed by the side edge part removing portion along the moving direction of the side edge part to the side edge part housing section. 1. A post-processing apparatus comprising:a side edge part removing portion that removes a side edge part from a sheet;a side edge part housing section that houses the side edge part removed by the side edge part removing portion and that is able to be pulled out from an apparatus body; anda guide plate that is inclined in a direction intersecting with a moving direction of the side edge part and guides the side edge part removed by the side edge part removing portion along the moving direction of the side edge part to the side edge part housing section.2. The post-processing apparatus according to claim 1 ,wherein the guide plate includes inclined surfaces defining a substantially valley shape having a center portion and both end portions along the moving direction of the side edge part, the both end portions being higher than the center portion.3. The post-processing apparatus according to claim 1 , further comprising:a second guide plate arranged below the guide plate and including inclined surfaces defining a substantially mountain shape having a center portion and both end portions along the moving direction of the side edge part, the both end portions being lower than the center portion.4. The post-processing apparatus according to claim 3 ,wherein a portion on a distal end side of each of the inclined surfaces of the guide plate is bent downward along the moving direction of the side edge part to increase a gap ...

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Номер записи: 62
14-01-2021 дата публикации

SHEET-MEMBER GUIDE STRUCTURE AND IMAGE FORMING APPARATUS

Номер: US20210011399A1
Автор: SHIMODAIRA Akira
Принадлежит: FUJI XEROX CO., LTD.

A sheet-member guide structure includes a first guide member that guides a sheet member from a fixing unit to a transport roller unit, the fixing unit fixing an image formed on the sheet member to the sheet member by heating the sheet member that is transported, the transport roller unit transporting the sheet member; and a second guide member that comes into contact with the sheet member to which the image has been fixed by the fixing unit and guides the sheet member to the transport roller unit, the second guide member being disposed downstream of the first guide member in a transporting direction in which the sheet member is transported and being made of a material having a thermal conductivity higher than a thermal conductivity of a material of the first guide member. 1. A sheet-member guide structure comprising:a first guide member that guides a sheet member from a fixing unit to a transport roller unit, the fixing unit fixing an image formed on the sheet member to the sheet member by heating the sheet member that is transported, the transport roller unit transporting the sheet member; anda second guide member that comes into contact with the sheet member to which the image has been fixed by the fixing unit and guides the sheet member to the transport roller unit, the second guide member being disposed downstream of the first guide member in a transporting direction in which the sheet member is transported and being made of a material having a thermal conductivity higher than a thermal conductivity of a material of the first guide member.2. The sheet-member guide structure according to claim 1 , wherein the first guide member is made of a resin material claim 1 , and the second guide member is made of a metal material.3. The sheet-member guide structure according to claim 1 , wherein the sheet-member guide structure includes a heat dissipating unit that dissipates heat from the second guide member.4. The sheet-member guide structure according to claim 3 , a ...

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Номер записи: 63
09-01-2020 дата публикации

SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20200012224A1
Автор: Itabashi Toshifumi
Принадлежит:

A sheet conveyance apparatus includes a shaft portion, a roller member, and a guide member. The roller member includes a hole portion with an opening through which the shaft portion is fitted with the hole portion. At least a part of the guide member is located upstream of an end of the shaft portion in an attaching direction of the roller member. The end of the shaft portion is located inside the opening of the hole portion when viewed in the attaching direction in a state where an outer circumferential surface of the roller member is in contact with the guide member at a position upstream of the end of the shaft portion in the attaching direction. 1. A sheet conveyance apparatus comprising:a shaft portion supported by an apparatus body;a roller member comprising an outer circumferential surface to contact the sheet and a hole portion, having an opening, to which the shaft portion is fitted, wherein the roller member is attached to the shaft portion through the opening along an axial line of the shaft portion; anda guide member configured to guide the roller member in an attachment operation of the roller member to the shaft portion,wherein at least a part of the guide member is located upstream of an end of the shaft portion in an attaching direction of the roller member, andwherein the guide member is configured to guide the roller member such that the end of the shaft portion is located inside the opening of the roller member when viewed in the attaching direction in a state where the outer circumferential surface of the roller member is in contact with the guide member at a position upstream of the end of the shaft portion in the attaching direction.2. The sheet conveyance apparatus according to claim 1 ,wherein the guide member is configured to guide the roller member such that a distance between rotation axes of the roller member and the shaft portion is smaller than a difference between a radius of the opening and a radius of the end of the shaft portion in ...

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Номер записи: 64
09-01-2020 дата публикации

SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20200012225A1
Автор: Kamizato Shoji
Принадлежит:

A sheet conveyance apparatus includes a conveyance portion including a rotary member and an opposing member and configured to convey a sheet in a conveyance nip, an abutting member configured to abut a surface of the rotary member, and a support portion, wherein the support portion supports the rotary member between a first position and a second position with respect to the abutting member, wherein when the sheet is not passing through the conveyance nip, the rotary member is positioned at the first position, and when the sheet is passing through the conveyance nip, the rotary member is positioned at the second position which is more separated from the opposing member than the first position by a thickness of the sheet, and wherein the abutting member abuts the rotary member regardless of which of the first position and the second position the rotary member is positioned at. 1. A sheet conveyance apparatus comprising:a conveyance portion comprising a rotary member and an opposing member and configured to convey a sheet in a conveyance nip, the opposing member being configured to oppose the rotary member to form the conveyance nip together with the rotary member;an abutting member configured to abut a surface of the rotary member; anda support portion configured to rotatably support the rotary member,wherein the support portion supports the rotary member such that the rotary member is relatively movable between a first position and a second position with respect to the abutting member,wherein when the sheet is not passing through the conveyance nip, the rotary member is positioned at the first position where the rotary member abuts the opposing member, and when the sheet is passing through the conveyance nip, the rotary member is positioned at the second position which is more separated from the opposing member than the first position by a thickness of the sheet passing through the conveyance nip, andwherein the abutting member abuts the rotary member regardless of ...

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Номер записи: 65
03-02-2022 дата публикации

Sheet Feeding Device and Image Forming Device

Номер: US20220033205A1
Автор: Nakamura Yasuo, OONO Masataka, SHIBAZAKI Takao
Принадлежит: KONICA MINOLTA, INC.

A sheet feeding device includes: a sheet stacking unit that stacks a bundle of sheets; a pick-up roller that is enabled to move up and down and sends a sheet of the bundle of sheets toward downstream side in a carrying direction; a pair of rollers that is arranged at downstream side in the carrying direction, and when multiple sheets are sent out by the pick-up roller, that separates the first sheet from the second sheet or later; a separation member that is arranged between the pick-up roller and the pair of rollers and that is in contact with a leading end of the sheet and limits the number of the sheet carried to the pair of rollers; and a hardware processor that determines a height position of the pick-up roller corresponding to a type of the sheet and sets the pick-up roller to be at the determined height position. 1. A sheet feeding device , comprising:a sheet stacking unit that is enabled to be lifted and lowered while a bundle of sheets is stacked;a pick-up roller that is in contact with a top surface of the bundle of sheets and is enabled to move up and down in accordance with the lifting and lowering movement of the sheet stacking unit, and that sends a sheet of the bundle of sheets toward downstream side in a carrying direction;a pair of rollers that is arranged at downstream side in the carrying direction of the pick-up roller, and when multiple sheets are sent out by the pick-up roller, that separates the first sheet from the second sheet or later and feeds the first sheet toward downstream side in the carrying direction, and restricts a movement of the second sheet or later;a separation member that is arranged between the pick-up roller and the pair of rollers and that is in contact with a leading end of the sheet that is sent out by the pick-up roller and limits the number of the sheet carried to the pair of rollers; anda hardware processor that determines a height position of the pick-up roller corresponding to a type of the sheet stacked on the ...

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Номер записи: 66
15-01-2015 дата публикации

IMAGE FORMING APPARATUS

Номер: US20150016856A1
Автор: Matsushima Akira, Nakajima Keita, Ohkubo Takateru, Tomoe Kentarou
Принадлежит:

A sheet storing portion is maintained in a state in which a sheet stacking portion on which sheets are stacked is electrically insulated, when the sheet storing portion is contained in a containing portion of an image forming apparatus body at the time of formation of an image. The sheet stacking portion is switched from the insulation state to a grounding state in which the sheet stacking portion is grounded through a ground portion by a switching portion through an operation of drawing the sheet storing portion. 1. An image forming apparatus comprising:a body including a containing portion;an image forming portion forming an image on a sheet;a sheet feeding portion feeding the sheet to the image forming portion;a sheet storing portion contained in the containing portion to be drawable and including a sheet stacking portion which is liftable and on which the sheet fed by the sheet feeding portion is stacked;a ground portion provided in the containing portion to be grounded; anda switching portion switching a state of the sheet stacking portion from an electrically insulated insulation state to a grounding state grounded through the ground portion in response to an operation of drawing the sheet storing portion contained in the containing portion.2. The image forming apparatus according to claim 1 , wherein the switching portion includes:a conductive contact portion connected to the sheet stacking portion; andan insulation portion provided in the ground portion, contacting with the contact portion to insulate the contact portion from the ground portion in the sheet storing portion being contained, and releasing the contact with the contact portion such that the contact portion comes into contact with the ground portion in the sheet storing portion being drawn.3. The image forming apparatus according to claim 2 , further comprising a conductive spring connecting the contact portion with the sheet stacking portion.4. The image forming apparatus according to claim 2 , ...

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Номер записи: 67
19-01-2017 дата публикации

DOCUMENT FEEDER FOR A PRINTER AND PRINTER COMPRISING SAID DOCUMENT FEEDER

Номер: US20170015116A1
Автор: BALASINI Flavio, POMA Paolo
Принадлежит:

A document feeder for a printer may include an upper part and/or a lower part. The upper part may include a feeding roller arrangement configured to engage with an upper face of a document. The lower part may include a retaining surface. The lower part may further include a sliding element which, in at least an operation mode of the document feeder, may have a portion that projects with respect to the retaining surface for supporting a lower face of the document in such a way that at least a portion of the document is raised with respect to the retaining surface. 1. A document feeder for a printer , the document feeder comprising:an upper part; anda lower part;wherein the upper part comprises a feeding roller arrangement configured to engage with an upper face of a document,wherein the lower part comprises a retaining surface,wherein the lower part further comprises a sliding element which, in at least an operation mode of the document feeder, has a portion that projects with respect to the retaining surface for supporting a lower face of the document in such a way that at least a portion of the document is raised with respect to the retaining surface.2. The document feeder of claim 1 , wherein the sliding element comprises a tooth configured to rotate around a rotation axis.3. The document feeder of claim 1 , wherein the lower part further comprises a spring configured to spring-load the sliding element in a projecting position.4. The document feeder of claim 3 , wherein the spring is preloaded with a load greater than or equal to 10 grams (g) and less than or equal to 30 g.5. The document feeder of claim 1 , wherein the sliding element comprises thermoplastic material.6. The document feeder of claim 5 , wherein the thermoplastic material comprises a blend of polyphenylene oxide and polystyrene.7. The document feeder of claim 1 , wherein at least the portion of the sliding element that projects with respect to the retaining surface has a static coefficient of ...

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Номер записи: 68
19-01-2017 дата публикации

SHEET TRANSPORT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

Номер: US20170015520A1
Автор: KATO Takato, KODA Kazuyuki, SERIKAWA Masato, TOBA Takakiyo
Принадлежит: FUJI XEROX CO., LTD.

A sheet transport device includes a transport unit that transports a sheet to a reading position by a first transport roller, a driving unit that switches a rotating direction, a rotating unit that rotates the first transport roller in one direction, the rotating unit including a one-direction gear that directly meshes with a first planet gear when the driving unit rotates in a first direction and meshes with a second planet gear when the driving unit rotates in a second direction, a switch unit that switches between states in which rotation of the one-direction gear is or is not transmitted to the first transport roller, and a displacement-force applying part that applies a force for displacing the first planet gear to mesh with the one-direction gear when the first planet gear touches the switch unit. 1. A sheet transport device comprising:a transport unit that transports a sheet to a reading position by a first transport roller and transports the sheet to the first transport roller by switching back and inverting the sheet by a second transport roller after the sheet passes through the reading position;a single driving unit that switches a rotating direction thereof between first and second directions;a rotating unit that rotates the first transport roller in one direction regardless of the rotating direction of the driving unit, the rotating unit including a sun gear driven by the driving unit, first and second planet gears meshed with the sun gear, and a one-direction gear that directly meshes with the first planet gear when the driving unit rotates in the first direction and meshes with the second planet gear with an intermediate gear being disposed therebetween when the driving unit rotates in the second direction;a switch unit that switches between states in which rotation of the one-direction gear is transmitted and not transmitted to the first transport roller, the switch unit being disposed in one axial end portion of the one-direction gear and having a ...

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Номер записи: 69
03-02-2022 дата публикации

DRIVING FORCE TRANSMITTING APPARATUS, SHEET CONVEYANCE APPARATUS, AND IMAGE FORMING APPARATUS

Номер: US20220034384A1
Автор: Kai Yusuke, Takeuchi Masaaki
Принадлежит:

A driving force transmitting apparatus includes first and second planetary gear units and switching and urging members. The first planetary gear unit includes a first mesh gear and a first locked gear provided with first locked portions. The second planetary gear unit includes a second locked gear provided with second locked portions, and a second mesh gear meshing with the first mesh gear. The switching member includes first and second locking portions and can move to (i) a first stop position at which the first locking portion stop the first locked gear, and, urged by the urging member, (ii) a second stop position at which the second locking portion stops the second locked gear. An interval between the second locked portions in a rotational direction of the second locked gear is larger than an interval between the first locked portions in a rotational direction of the first locked gear. 1. A driving force transmitting apparatus comprising:a first planetary gear unit including a first locked gear provided with a plurality of first locked portions, and including a first mesh gear;a second planetary gear unit including a second locked gear provided with a plurality of second locked portions, and including a second mesh gear configured to mesh with the first mesh gear;a rotation switching member including a first locking portion and a second locking portion, wherein the rotation switching member is capable of moving to (i) a first stop position at which the first locking portion locks one of the plurality of first locked portions to stop the first locked gear, and (ii) a second stop position at which the second locking portion locks one of the plurality of second locked portions to stop the second locked gear; andan urging member configured to urge the rotation switching member to the second stop position,wherein an interval between the plurality of second locked portions in a rotational direction of the second locked gear is larger than an interval between the ...

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Номер записи: 70
21-01-2016 дата публикации

Paper Sheet Conveyance Device

Номер: US20160016742A1
Автор: FUKUYAMA Shouichi, HORI Yutaka, TAKAGI Masaaki
Принадлежит:

This paper sheet conveyance device () includes an upstream-side roller pair () and a downstream-side roller pair () as well as an upstream-side guide member () and a downstream-side guide member (). The upstream-side guide member is arranged to traverse a tangent () to the upstream-side roller pair extending along a conveyance direction, while the downstream-side guide member is arranged to traverse a tangent () to the downstream-side roller pair extending along the conveyance direction.

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Номер записи: 71
18-01-2018 дата публикации

MEDIUM FEED UNIT AND IMAGE FORMING APPARATUS

Номер: US20180016109A1
Автор: YOKOYAMA Naotake
Принадлежит:

A medium feed unit in an image forming apparatus having an image forming unit and feeds a medium to the image forming unit, includes a medium introductory part that includes a first shaft and a medium feed part that includes a second shaft feeds the medium to the medium introductory part; a fixation part that includes a first holding part holding the first shaft and a second holding part holding the second shaft; and a link member that links the first shaft with the second shaft and is displaceable with respect to the fixation part. A first inclination angle of the first shaft with respect to the fixation part varies in accordance with a variation of a second inclination angle of the second shaft with respect to the fixation part. 1. A medium feed unit that is to be installed in an image forming apparatus having an image forming unit and feeds a medium , which is fed from a medium roll , to the image forming unit , the medium feed unit , comprising:a medium introductory part that includes a first shaft and introduces the medium to the image forming unit;a medium feed part that includes a second shaft around which the medium roll rotates and feeds the medium to the medium introductory part;a fixation part that includes a first holding part holding the first shaft and a second holding part holding the second shaft; and{'b': 2', '1, 'a link member that links the first shaft with the second shaft and is displaceable with respect to the fixation part such that a first inclination angle (θ) of the first shaft with respect to the fixation part varies in accordance with a variation of a second inclination angle (θ) of the second shaft with respect to the fixation part.'}2. The medium feed unit according to claim 1 , whereinthe fixation part is sandwiched between the link member and both of the medium introductory part and the medium feed part, andthe link member is positioned on an opposite side of the fixation part from both of the medium introductory part and the medium ...

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Номер записи: 72
03-02-2022 дата публикации

TRANSPORT GUIDE DEVICE, SHEET-SHAPED OBJECT PROCESSING APPARATUS, AND POWDER USING APPARATUS

Номер: US20220035297A1
Автор: Hashimoto Keita, ICHIHARA Hirokazu, Kaneko Atsushi
Принадлежит: FUJIFILM Business Innovation Corp.

A transport guide device includes: a first guide unit including a guide portion configured to guide a sheet-shaped object along a transport path; and a second guide unit including a fixed first end portion and a non-fixed second end portion opposite to the fixed first end portion, the second end portion (i) approaching the guide portion toward a downstream side in a transport direction of the sheet-shaped object and then contacts with the guide portion or (ii) approaching the guide portion toward the downstream side in the transport direction of the sheet-shaped object, the second guide unit being configured to guide the sheet-shaped object such that the sheet-shaped object comes into contact with the guide portion, in which the second guide unit includes a tip end protrusion at a tip end of the second end portion, the tip end protrusion protruding in a direction away from the guide portion. 1. A transport guide device comprising:a first guide comprising a guide portion configured to guide a sheet-shaped object along a transport path; anda second guide comprising a fixed first end portion and a non-fixed second end portion opposite to the fixed first end portion, the second end portion (i) approaching the guide portion toward a downstream side in a transport direction of the sheet-shaped object and then contacts with the guide portion or (ii) approaching the guide portion toward the downstream side in the transport direction of the sheet-shaped object, the second guide being configured to guide the sheet-shaped object such that the sheet-shaped object comes into contact with the guide portion, whereinthe second guide comprises a tip end protrusion at a tip end of the second end portion, the tip end protrusion protruding in a direction away from the guide portion, andthe second guide comprises a lateral protrusion at least at a part of a lateral end in a width direction of the sheet-shaped object in transport, the lateral protrusion protruding in the direction away ...

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Номер записи: 73
19-01-2017 дата публикации

IMAGE FORMING APPARATUS

Номер: US20170017186A1
Автор: MORI Hirotaka, NAKANO Hiroshi, SATO Shougo, Suzuki Noboru
Принадлежит:

An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, photosensitive members, an intermediate transfer belt arranged to have a surface thereof facing the photosensitive members, primary-transfer members, a secondary-transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the photosensitive members across the intermediate transfer belt, a connector, a first feeding path extending in a range between the first feed roller and the secondary-transfer roller, and a second feeding path being formed in clearance between the intermediate transfer belt and the waste toner container to convey a recording sheet being inserted through a sheet inlet and merging into the first feeding path in the vicinity of the first feed roller. 1. An image forming apparatus configured to form toner images on a recording sheet , comprising:a chassis having an opening on one side thereof;a plurality of photosensitive drums;an intermediate transfer belt unit disposed in a lower position with respect to the plurality of photosensitive drums, the intermediate transfer belt unit including an endless belt;a sheet feed tray configured to support the recording sheet;a first conveyer path extending from the sheet feed tray to the endless belt;a second conveyer path arranged between the sheet feed tray and the endless belt, the second conveyer path being merged into the first conveyer path;a conveyance guide removably arranged between the sheet feed tray and the endless belt, the conveyance guide defining a part of the second conveyer path; anda guide groove portion configured to guide the conveyance guide to be removable in a direction toward the one side of the chassis through the opening.2. The image forming apparatus according to claim 1 ,wherein the guide groove portion is formed to have a height ...

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Номер записи: 74
19-01-2017 дата публикации

IMAGE FORMING APPARATUS

Номер: US20170017195A1
Автор: CHOI Yongho, FUKUDA Takehiro, ISHIKURA Kenichi, Kiuchi Kenji, Kono Hiroyuki, LEE Youju, SEO Kyungin, SOMEMIYA Tsutomu, SONO Yuichi
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes a housing in which an image forming unit is to be mounted, a support that supports an image reading device in a state where the image reading device is separated from the housing, and a guiding portion in which a guide part, which is formed on a to-be-mounted surface of an add-on device in such a manner as to project, is to be inserted such that the guide part is guided by the guiding portion. Engagement holes with which engagement portions, which are formed on the to-be-mounted surface of the add-on device in such a manner as to project, are to be engaged such that the engagement portions are positioned by the engagement holes are formed in a mounting surface of the housing on which the add-on device is to be mounted. 1. An image forming apparatus comprising:a housing in which an image forming unit is to be mounted;a support that supports an image reading device in a state where the image reading device is separated from the housing; anda guiding portion in which a guide part, which is formed on a to-be-mounted surface of an add-on device in such a manner as to project, is to be inserted such that the guide part is guided by the guiding portion,wherein engagement holes with which engagement portions, which are formed on the to-be-mounted surface of the add-on device in such a manner as to project, are to be engaged such that the engagement portions are positioned by the engagement holes are formed in a mounting surface of the housing on which the add-on device is to be mounted.2. The image forming apparatus according to claim 1 ,wherein, in the housing, the guiding portion is arranged in such a manner as to guide the add-on device in a direction crossing a direction in which a recording medium is to be transported,wherein the support includes three columns and a connecting member that connects the three columns,wherein an opening is formed in one of planes that are formed between the three columns, the one of the planes having an ...

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Номер записи: 75
18-01-2018 дата публикации

DRIVING FORCE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS

Номер: US20180017138A1
Автор: Uesugi Takuji
Принадлежит:

A driving force transmission mechanism include a carrier, an input gear, first gears, second gears, an output gear, a clutch portion configured to integrate one of the input and output gears with the carrier or configured to disintegrate the one gear and the carrier, and an actuator configured to restrict rotation of the clutch. When the actuator does not restrict the rotation of the clutch portion, the input gear, the first gears, the second gears and the output gear are integrated with each other, and the output gear is rotated together with the input gear in a first direction. When the actuator restricts the rotation of the clutch portion, a rotational driving force is transmitted from the input gear to the output gear via the first gars and the second gears, and the output gear is rotated in a second direction opposite to the first direction. 1. A driving force transmission mechanism capable of changing a rotational direction of an output gear , comprising:a carrier including a shaft portion at a center thereof;an input gear to which a driving force is inputted from a driving source, wherein said input gear includes first teeth to which the driving force is inputted and second teeth in an output side and is rotatably held about the shaft portion of said carrier;a plurality of first gears engaging with the second teeth of said input gear, said first gears are provided symmetrically with each other with respect to the shaft portion of said carrier and are rotatably held by said carrier;a plurality of second gears engaging with said first gears, respectively, said second gears are provided symmetrically with each other with respect to the shaft portion of said carrier and are rotatably held by said carrier;an output gear engaging with said second gears and rotatably held by the shaft portion of said carrier;a clutch portion configured to integrate one of said input gear and said output gear with said carrier or configured to disintegrate said one gear and said ...

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Номер записи: 76
21-01-2016 дата публикации

IMAGE FORMING APPARATUS FOR FORMING AN IMAGE ON A RECORDING MATERIAL

Номер: US20160018776A1
Автор: Furuyama Yoichi
Принадлежит:

An image forming apparatus includes a curved conveyance path being formed by an outer guide and an inner guide, and a control unit configured to control a first conveyance unit disposed on upstream of the conveyance path and a second conveyance unit disposed on downstream of the conveyance path such that a conveyance speed of the first conveyance unit is set greater than a conveyance speed of the second conveyance unit, in a case where an image surface of the recording material on which an image is formed faces the inner guide, and perform control of the first and the second conveyance units in such a manner that the conveyance speed of the first conveyance unit is set less than the conveyance speed of the second conveyance unit, in a case where the image surface of the recording material on which the image is formed faces the outer guide.

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Номер записи: 77
18-01-2018 дата публикации

DRIVE TRANSMISSION APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20180017926A1
Автор: YOSHIDA Atsushi
Принадлежит:

The present disclosure provides a drive transmission apparatus including a swing gear mechanism and capable of reducing the workload during assembly and improving efficiency of the assembly operation. A first swing gear, which transmits rotation of a first input gear that is driven by a driving force, is held by a first swing member. The first swing member includes a first engagement potion engaging with a supporting portion, and swings around an axis of the first input gear. The first engagement portion is formed so as to be attached to and detached from the supporting portion if the first swing member is moved in a radial direction with respect to the axis. 1. A drive transmission apparatus comprising:a first input gear configured to be driven by driving force from a driving source;a first swing gear configured to be rotated by driving force from the first input gear;a supporting portion arranged on an axis of the first input gear; anda first swing member configured to swing the first swing gear and comprising a first engagement portion configured to be engaged pivotably with the supporting portion and a first retaining portion configured to retain the first swing gear in a rotatable manner, the first engagement portion being attached to and detached from the supporting portion if the first swing member is moved in a radial direction with respect to the axis of the first input gear.2. The drive transmission apparatus according to claim 1 ,wherein the first engagement portion comprisesan inner contact portion formed along a circle centered on the axis of the first input gear if seen from an axial direction of the first input gear, andan opening portion connected to the inner contact portion and defining an opening by which the inner contact portion is opened outward and which has a width smaller than a diameter of the circle, andthe supporting portion comprisesan outer contact portion configured to be in slide contact with the inner contact portion, anda small ...

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Номер записи: 78
18-01-2018 дата публикации

IMAGE FORMING APPARATUS AND SHEET CONVEYANCE APPARATUS

Номер: US20180017932A1
Автор: Manabe Kenichi
Принадлежит:

The present disclosure provides an image forming apparatus capable of preventing members from colliding from each other upon an openable member being closed. An openable member opened and closed with respect to the apparatus body is locked in a closed state by a lock portion located at a lock position, and permitted to open upon the lock portion being moved to a release position. The apparatus body is provided with a movable portion that is moved to a first position if the openable member is opened and to a second position if the openable member is closed. The movable portion includes a block portion that is configured to block a movement of the lock portion from the release position to the lock position if the movable portion is located at the first position. 1. An image forming apparatus comprising:an apparatus body comprising an image forming portion configured to form an image on a sheet;an openable member configured to be opened with respect to the apparatus body;a lock portion disposed in the apparatus body and movable between a lock position to lock the openable member in a closed state and a release position to permit opening of the openable member; anda movable portion disposed in the apparatus body and configured to move along with moving of the openable member such that the movable portion is located at a first position if the openable member is opened and at a second position if the openable member is closed, the movable portion comprising a block portion that is configured to block a movement of the lock portion from the release position to the lock position if the movable portion is located at the first position and that permits the lock portion to move from the release position to the lock position if the movable portion is located at the second position.2. The image forming apparatus according to claim 1 , further comprising an urge portion configured to urge the movable portion to the first position claim 1 , andwherein the movable portion is held ...

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Номер записи: 79
17-01-2019 дата публикации

Sheet conveying device, fixing device incorporating the sheet conveying device, and image forming apparatus incorporating the sheet conveying device

Номер: US20190018351A1
Автор: Akiyasu Amita, Fumihiro Hirose, Masateru Ujiie, Naoto Suzuki, Shinichi Namekata, Takashi Sakamaki, Teppei Kawata, Yohhei Watanabe
Принадлежит: Ricoh Co Ltd

A sheet conveying device, which is included in a fixing device and an image forming apparatus, includes a sheet contacting body and a lateral relative position shifting body. The sheet contacting body is configured to contact a sheet to be conveyed. The lateral relative position shifting body is configured to shift a passing position of the sheet being conveyed toward the sheet contacting body, in a width direction perpendicular to a sheet conveying direction and a relative position to the sheet contacting body, each time the sheet is conveyed by a number of sheets based on a setting. The setting of the number of sheets varies based on information of the sheet.

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Номер записи: 80
17-01-2019 дата публикации

IMAGE FORMING APPARATUS

Номер: US20190018359A1
Автор: SUGIYAMA Yuki, Suzuki Masato, YOSHIKAWA Naoki
Принадлежит:

An image forming apparatus includes a conveying unit, transfer unit, a loop detecting unit, a driving source, a control unit, and a measuring unit. The transfer unit transfers an image formed on an image bearing member to the printing material conveyed by the conveying unit driven by the driving source. The loop detecting unit detects an amount of a loop formed in the printing material between the conveying and transfer units. The control unit changes a rotational speed of the driving source based on the detection result. The measuring unit measures a rotation amount of the driving source while a first printing material is conveyed by both of the conveying and transfer units. The control unit controls the rotational speed of the driving source based on the measured rotation amount so that a leading end of a second printing material reaches the transfer unit per the image bearing member image. 1. An image forming apparatus comprising:a conveying unit configured to convey a printing material;a transfer unit configured to transfer an image formed on an image bearing member to the printing material conveyed by the conveying unit;a loop detecting unit configured to detect an amount of a loop formed in the printing material between the conveying unit and the transfer unit;a driving source configured to drive the conveying unit;a control unit configured to change a rotational speed of the driving source based on the detection result of the loop detecting unit; anda measuring unit configured to measure a rotation amount of the driving source during a period in which a first printing material is conveyed by both of the conveying unit and the transfer unit,wherein the control unit controls the rotational speed of the driving source based on the rotation amount of the driving source measured by the measuring unit so that a leading end of a second printing material reaches the transfer unit in accordance with the image formed on the image hearing member.2. The image forming ...

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Номер записи: 81
16-01-2020 дата публикации

IMAGE FORMING APPARATUS

Номер: US20200019107A1
Автор: KOJIMA Noriaki, OMORI Yuichi
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes an image carrier, a first peel-off unit whose end portion is in contact with the image carrier and that peels off a recording medium from the image carrier, and a second peel-off unit whose end portion is not in contact with the image carrier and that peels off a recording medium from the image carrier. The second peel-off unit is disposed in such a way that the end portion thereof is located at a position that is the same as or upstream of a position of the end portion of the first peel-off unit in a rotation direction of the image carrier, and the second peel-off unit is movable so that the end portion thereof moves away from the image carrier. 1. An image forming apparatus comprising:an image carrier that rotates while carrying an unfixed image to be transferred to a recording medium;a first peel-off unit whose end portion is in contact with the image carrier and that peels off a recording medium from the image carrier; anda second peel-off unit whose end portion is not in contact with the image carrier and that peels off a recording medium from the image carrier,wherein the second peel-off unit is disposed in such a way that the end portion thereof is located at a position that is the same as or upstream of a position of the end portion of the first peel-off unit in a rotation direction of the image carrier, and the second peel-off unit is movable so that the end portion thereof moves away from the image carrier.2. The image forming apparatus according to claim 1 ,wherein the second peel-off unit is movable independently from the first peel-off unit.3. The image forming apparatus according to claim 1 ,wherein the second peel-off unit is moved by being pushed by a recording medium that is peeled off by the first peel-off unit.4. The image forming apparatus according to claim 2 ,wherein the second peel-off unit is moved by being pushed by a recording medium that is peeled off by the first peel-off unit.5. The image forming ...

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Номер записи: 82
17-04-2014 дата публикации

IMAGE FORMING APPARATUS

Номер: US20140105661A1
Автор: HOSONO Gaku, Kanno Shu, Kikura Makoto, KONDO Kazuyoshi, MATSUMOTO Kazuyoshi, Obata Yuuzoh, Uchino Yoshinori, UJIIE Masateru, Yanase Norikazu
Принадлежит: RICOH COMPANY, LTD.

An image forming apparatus includes a roll body including a print medium wound around, the medium having an adhesive face, an image forming unit to form an image on the adhesive face, a conveyance unit having a pair of a conveyance rotor and an opposed rotor to convey the medium with the medium interposed between the conveyance rotor and the opposed rotor and an adhesive face guide unit to guide the medium when the conveyance unit returns the medium in a return direction opposite a conveyance direction of the medium. The adhesive face guide unit has a downstream rotor disposed downstream from the opposed rotor in the return direction and an endless adhesive face guide member wound around the opposed rotor and the downstream rotor. The adhesive face guide member is configured to receive and guide the adhesive face of the medium returned, in a separable state. 1. An image forming apparatus , comprising:a roll body including a print medium wound around, the print medium having an adhesive face;an image forming unit to form an image on the adhesive face of the print medium; anda conveyance unit to convey the print medium to a position at which the print medium opposes the image forming unit, with the adhesive face placed as a front face side of the print medium,wherein the conveyance unit has a pair of a conveyance rotor and an opposed rotor to convey the print medium with the print medium interposed between the conveyance rotor and the opposed rotor and an adhesive face guide unit to guide the print medium when the conveyance unit returns the print medium in a return direction opposite a conveyance direction of the print medium,the adhesive face guide unit has a downstream rotor disposed downstream from the opposed rotor in the return direction and an endless adhesive face guide member wound around the opposed rotor and the downstream rotor, andthe endless adhesive face guide member is configured to receive and guide the adhesive face of the print medium returned, in a ...

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Номер записи: 83
28-01-2016 дата публикации

Recording sheet transport device and image reading device

Номер: US20160023857A1
Автор: Ryusuke NAKATA
Принадлежит: Fuji Xerox Co Ltd

A recording sheet transport device having a transport path having a curvature includes a multifeed detector and an orientation stabilizing device. The multifeed detector detects a multifeed state in which two or more recording sheets are superposed on one another while the two or more recording sheets are being transported. The orientation stabilizing device stabilizes an orientation of parts of the two or more recording sheets, at which the multifeed state is detected by the multifeed detector, relative to the multifeed detector.

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Номер записи: 84
26-01-2017 дата публикации

SHEET FEEDING APPARATUS

Номер: US20170021647A1
Автор: Kondo Takashi
Принадлежит:

A sheet feeding apparatus includes a first sheet storage portion and a second sheet storage portion disposed side by side with the first sheet storage portion. The sheet feeding device includes a sheet bundle moving member configured to transfer sheets in the second sheet storage portion to the first sheet storage portion and a pickup roller configured to feed the sheet by abutting against the sheet stored in the first sheet storage portion. When transferring the sheet bundle in the second sheet storage portion to the first sheet storage portion, the pickup roller is rotated in the same direction as that during feeding. 1. A sheet feeding apparatus comprising:an apparatus body;a first sheet storage portion configured to be movably provided to a mounting position and a pull-out position with respect to the apparatus body;a second sheet storage portion disposed side by side with the first sheet storage portion and configured to be movably provided to the mounting position and the pull-out position with respect to the apparatus body;a sheet transfer portion configured to transfer a sheet bundle stored in the second sheet storage portion to the first sheet storage portion when the first sheet storage portion and the second sheet storage portion are in the mounting position;a rotator configured to feed a sheet by being rotated while abutting against the sheet stored in the first sheet storage portion; anda control portion configured to drive the sheet transfer portion and to control the rotator to be rotated in the same rotation direction as that during feeding the sheet when transferring the sheet bundle of the second sheet storage portion to the first sheet storage portion by the sheet transfer portion.2. The sheet feeding apparatus according to claim 1 , wherein the control portion causes the rotation of the rotator to be started before a leading end of the sheet bundle transferred by the sheet transfer portion reaches a position of the rotator in a sheet transferring ...

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Номер записи: 85
28-01-2016 дата публикации

PRINTER

Номер: US20160026139A1
Автор: Yamada Masahiro
Принадлежит: FUNAI ELECTRIC CO., LTD.

A printer that reverses a direction of movement of a medium, includes a detection member that detects a slant in the medium relative to the direction of movement of the medium, based on at least two contact points between the detection member and the medium. 1. A printer that reverses a direction of movement of a medium , comprising:a detection member that detects a slant in the medium relative to the direction of movement of the medium, based on at least two contact points between the detection member and the medium.2. The printer according to claim 1 , further comprising:a detector that detects, by detecting the slant in the medium, a forward passage of an end edge of the medium fed in a forward direction and a reverse passage of the end edge of the medium fed in a reverse direction; anda determining part that determines a feed condition of the medium.3. The printer according to claim 2 , whereinthe determining part determines abnormality of the feed condition when a difference between a forward feed amount of the medium fed in the forward direction and a reverse feed amount of the medium fed in the reverse direction exceeds a threshold.4. The printer according to claim 3 , whereinthe forward feed amount is a distance of movement of the medium from when the forward passage is detected until the direction of movement of the medium is reversed, andthe reverse feed amount is a distance of movement of the medium from when the direction of movement of the medium is reversed until the reverse passage is detected.5. The printer according to claim 4 , whereinthe detection member comprises a shaft that rotates around a width direction orthogonal to the direction of movement of the medium and that extends in the width direction, and a plurality of levers, each extending from the shaft to a route surface of a discharge route and disposed apart from each other in the width direction.6. The printer according to claim 5 , whereinthe detector detects the forward passage and the ...

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Номер записи: 86
28-01-2016 дата публикации

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS

Номер: US20160026140A1
Автор: Oomoto Noboru, OSHIMA Ryo, SHIMOYAMA Atsuhiko, YABUKI Shinichi
Принадлежит: Konica Minolta Inc.

A sheet conveying device that passes a sheet to a nip portion formed between first and second rotating bodies, and conveys the sheet, the sheet conveying device includes a separation state determining unit configured to determine a separation state between the sheet having passed the nip portion and a surface of the first rotating body, a sheet separating unit configured to allow force to act on the sheet, and a control unit configured to control the force acting on the sheet by the sheet separating unit according to a result of the separation state determining unit, wherein the separation state determining unit includes an illumination unit, an imaging unit, and an acquisition unit, and the separation state between the sheet and the first rotating body is determined based on the acquired positional information of a tip of the sheet. 1. A sheet conveying device that passes a sheet to a nip portion formed between first and second rotating bodies and conveys the sheet , the sheet conveying device comprising:a separation state determining unit configured to determine a separation state between the sheet having passed the nip portion and a surface of the first rotating body;a sheet separating unit configured to allow force to act on the sheet, the force being in a direction of being separated from the surface of the first rotating body; anda control unit configured to control the force acting on the sheet by the sheet separating unit according to a result of the separation state determining unit, whereinthe separation state determining unit includesan illumination unit configured to illuminate an outlet side of the nip portion in a sheet passing direction,an imaging unit configured to image a tip portion of the sheet having passed the nip portion, andan acquisition unit configured to acquire positional information of a tip of the sheet based on image data obtained by the imaging unit, andthe separation state between the sheet and the first rotating body is determined ...

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Номер записи: 87
25-01-2018 дата публикации

IMAGE FORMING SYSTEM, METHOD FOR CONTROLLING IMAGE FORMING SYSTEM, AND PAPER CONVEYANCE PROCESSING APPARATUS

Номер: US20180024484A1
Автор: SHIRASAKA Satoru
Принадлежит:

Provided is an image forming system which optimizes subsequent processes for crossing paper when a causing apparatus has stopped in the state in which paper is spanning the causing apparatus and a downstream apparatus. The image forming system conveys the paper from a first apparatus (the causing apparatus) to a second apparatus (the downstream apparatus) connected to the first apparatus. The image forming system includes a conveying unit and a hardware processor. The conveying unit conveys the paper. The hardware processor determines, in a case where the paper is normally conveyed by the conveying unit across the first apparatus and the second apparatus, whether processes of the first apparatus has been completed for crossing paper which is the paper spanning the first apparatus and the second apparatus, when the first apparatus stops due to an abnormality. 1. An image forming system which conveys paper from a first apparatus to a second apparatus connected to the first apparatus , comprising:a conveying unit which conveys the paper; anda hardware processor which determines, in a case where the paper is normally conveyed by the conveying unit across the first apparatus and the second apparatus, whether processes of the first apparatus has been completed for crossing paper which is the paper spanning the first apparatus and the second apparatus, when the first apparatus stops due to an abnormality.2. The image forming system of claim 1 ,wherein, when the first apparatus stops due to the abnormality, the conveying unit stops operating in the first apparatus,wherein, when the hardware processor determines that the processes of the first apparatus for the crossing paper has been completed, the conveying unit continues operating in the second apparatus, andwherein, when the hardware processor determines that the processes of the first apparatus for the crossing paper has not been completed, the conveying unit stops operating in the second apparatus.3. The image forming ...

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Номер записи: 88
10-02-2022 дата публикации

ASSISTED EJECTION OF PRINT JOBS

Номер: US20220043382A1
Автор: Clayburn Jody L., Helms Bartley S., RAISANEN Matthew, ROHMAN Stephen Thomas
Принадлежит: Hewlett-Packard Development Company, L.P.

A method of controlling the ejection speed of a print job that includes, with a density module of a printing device, determining a density classifier based on a region of a plane where print fluid is to be printed for a plurality of sheets of media of a print job; determining a percentage of each sheet of media exceeding a threshold density classifier relative to a total sheet count of the print job; and, based on the percentage, initiating an assisted ejection of the print job from the printing device. 1. A method of controlling the ejection speed of a print job , comprising:with a density module of a printing device, determining a density classifier based on a region of a plane where print fluid is to be printed for a plurality of sheets of media of a print job;determining a percentage of each sheet of media exceeding a threshold density classifier relative to a total sheet count of the print job; andbased on the percentage, initiating an assisted ejection of the print job from the printing device.2. The method of claim 1 , wherein the percentage to initiate the assisted ejection is 49%.3. The method of claim 1 , wherein the density module:determines an amount of print fluid to be placed at a first tile within the plane region achieves a density condition;assigns a value to the plane region based on a relationship between a location of the first tile and a location of a second tile within the plane region; andselects the density classifier based on the value of the plane region.4. The method of claim 3 , wherein the density module applies weights to the first and second tiles and wherein the weights are used to assign a value to the plane region.5. The method of claim 1 , wherein preclusion characteristics of the print job prevents the density module from initiating.6. The method of claim 5 , wherein the preclusion characteristics include:a size of the sheet of media;duplex printing on the sheet of media;a humidity during the print job;a type of print media;a size ...

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Номер записи: 89
23-01-2020 дата публикации

IMAGE FORMING APPARATUS

Номер: US20200026231A1
Автор: NISHIMURA Takatoshi
Принадлежит: KYOCERA Document Solutions Inc.

In an image forming apparatus, a conveyance section forms a conveyance path and conveys a sheet in a conveyance direction. The conveyance section includes a conveyance roller for rotating around a roller shaft extending in a direction orthogonal to the conveyance direction, and a guide member. The guide member includes a first guide member for rotating around a first axial line to open/close with respect to a first partial region of the conveyance path, and a second guide member for rotating around a second axial line to open/close with respect to a second partial region different from the first partial region. The first axial line extends in a direction parallel to a longitudinal direction of the roller shaft. The second axial line extends in a direction intersecting with the longitudinal direction. The first guide member opens in conjunction with an opening action of the second guide member. 2. The image forming apparatus according to claim 1 , whereinthe first guide member has a first base end portion intersecting with the first axial line, a first body portion, and a first tip portion located opposite to the first base end portion with the first body portion interposed therebetween,the second guide member has a second base end portion adjacent to the second axial line, a second body portion, and a second tip portion located opposite to the second base end portion with the second body portion interposed therebetween, andthe first tip portion located vertically above the second tip portion.3. The image forming apparatus according to claim 2 , whereinthe second tip portion moves vertically upward around the second axial line as a pivot, pressing a lower surface of the first tip portion.4. The image forming apparatus according to claim 3 , whereinthe first tip portion has a tongue-shaped member protruding from the first body portion in a direction away from the first axial line, andthe second tip portion has a contact portion configured to be brought into contact ...

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Номер записи: 90
24-01-2019 дата публикации

SHEET MEDIUM FLATTENING APPARATUS AND FINANCIAL SELF-SERVICE DEVICE

Номер: US20190026969A1
Автор: Lai Zhongwu
Принадлежит: GRG BANKING EQUIPMENT CO., LTD.

A sheet medium flattening apparatus includes a support frame, wherein a first passage plate and a second passage plate are arranged on the support frame, and a gap between the first passage plate and the second passage plate is a conveying passage; a conveying wheel set arranged in the conveying passage and configured to drive a sheet medium to be conveyed inside the conveying passage; the first passage plate is provided with a through hole, and the second passage plate is provided with a groove at a position corresponding to the through hole; the sheet medium flattening device further includes a flattening block, and the flattening block is configured to be controlled by a driving mechanism to extend into and withdraw from the conveying passage. 1. A sheet medium flattening device , comprising:a support frame, wherein a first passage plate and a second passage plate are arranged on the support frame, and a gap between the first passage plate and the second passage plate is a conveying passage; anda conveying wheel set arranged in the conveying passage and configured to drive a sheet medium to be conveyed inside the conveying passage;wherein, the first passage plate is provided with a through hole, and the second passage plate is provided with a groove at a position corresponding to the through hole; the sheet medium flattening device further comprises a flattening block, and the flattening block is configured to be controlled by a driving mechanism to extend into and withdraw from the conveying passage; andwherein, in a case that the driving mechanism controls the flattening block to extend into the conveying passage, the flattening block is configured to push the sheet medium into the groove; andin a case that the driving mechanism controls the flattening block to withdraw from the conveying passage, a next sheet medium is allowed to be conveyed along the conveying passage to a position corresponding to the groove.2. The sheet medium flattening device according to ...

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Номер записи: 91
01-02-2018 дата публикации

Knot Untier

Номер: US20180029822A1
Автор: Deluccia Anthony
Принадлежит:

This discloses a knot untier. The knot untier consists of an arm or pawl which is inserted into the knot to be untied plus, in some embodiments, a base which resembles a credit card. The knot untier in one embodiment is thus small enough to fit in a wallet. The knot untier may also be hung on a keychain. The knot untier does not, as many existing untiers do, damage most lines. 1. A knot untier with no moving parts , no sharp points , and no sharp edges , and comprising a relatively rectangular base part and one or more arm parts extending from the base part.2. The knot untier of where the one or more arm parts are constructed from the same relatively flat plate of metal claim 1 , plastic claim 1 , or other solid material.3. The knot untier of with the end of said arm part distal from the base part being pointed with a rounded tip where said rounded tip is on or near the centerline of said arm part.4. The knot untier of where the base part contains an open center section through which a user may insert fingers or a tool in order to grip the knot untier.5. The knot untier of where the base part has no open center section.6. (canceled)7. (canceled)8. (canceled)9. A device for untying knots comprising a base part and one or more arm parts extending from the base part.10. The device of where the end part of the one or more arm parts has a slightly rounded tip such that when untying a knot said tip is inserted into the knot between the strands of the knot and is pushed into the knot to loosen the knot. This application is a Continuation-in-Part of that application filed Feb. 6, 2015 as Ser. No. 14/615,598 which in turn is a Continuation-in-Part of that application filed Oct. 2, 2013 as Ser. No. 14/026,403. This application also claims the benefit of U.S. Provisional Application No. 61/727,994, filed Nov. 19, 2012, the entireties of all of which are incorporated herein by reference.The present invention relates generally to hand tools, and more particularly, relating to ...

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Номер записи: 92
02-02-2017 дата публикации

IMAGE FORMING APPARATUS AND CONVEYANCE CONTROL METHOD

Номер: US20170031293A1
Автор: Shibata Kyoichi
Принадлежит:

In accordance with an embodiment, an image forming apparatus comprises a sheet feed section and a conveyance control section. The sheet feed section is provided with a plurality of cassettes in which sheets of a plurality of categories are stored for each category of the sheets, and feeds a sheet stored in the cassettes. The conveyance control section enables, in a case in which a sheet is fed from a cassette in which sheets to be printed after the printing surfaces thereof are aligned are stored among the cassettes, a reversal unit reversing the front side and the back side of the sheet at the time when the sheet is fed to convey and discharge the sheet regardless of a printing method designated by a user. 1. An image forming apparatus , comprising:a sheet feed section configured to feed sheets from first and second cassettes configured to store the sheets;a reversal unit configured to turn over the sheets;a conveyance control section configured to determine whether or not to convey the sheets from the first cassette to the reversal unit based on whether a printing method identification information identifies simplex or duplex printing if a cassette identification information identifies the first cassette, the conveyance control section being configured to convey the sheets from the second cassette to the reversal unit, independently of whether the printing method identification information identifies simplex or duplex printing if the cassette identification information identifies the second cassette.2. The image forming apparatus according to claim 1 , whereinthe conveyance control section enables the reversal unit to convey the sheet in a case in which the sheet is fed from a cassette where it is stored even in a case in which printing data to be printed on the sheet is to be printed in a fraction page.3. The image forming apparatus according to claim 1 , whereinas to a sheet fed from a cassette other than the cassette in which sheets to be printed after the ...

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Номер записи: 93
02-02-2017 дата публикации

PRESSURIZING DEVICE, IMAGE FORMING APPARATUS, AND CONTROL, METHOD FOR PRESSURIZING DEVICE

Номер: US20170031294A1
Автор: OIKAWA Ken, Takahashi Minoru
Принадлежит: RICOH COMPANY, LTD.

A pressurizing device includes: first and second rollers that holds a sheet-like medium with an image bearer formed on at least part of a surface of thereof between the first and second rollers and send the medium in a conveying direction while applying a pressure to the medium; a position control unit that performs feedback control of the position of at least one of the first and second rollers; a force control unit that performs feedback control of a force acting on between the first and second rollers; and a control-method switching unit that switches, after the position of the first and second rollers is switched from a separation position to a contact position by the feedback control performed by the position control unit, a feedback controlled object so that the force becomes a target value of nip pressure through the feedback control performed by the force control unit. 1. A pressurizing device comprising:first and second rollers configured to hold a sheet-like medium with an image bearer formed on at least part of a surface of the medium between the first and second rollers and send the medium in a conveying direction while applying a pressure to the medium;a driving unit configured to displace the position of at least one of the first and second rollers to make the first and second rollers come close to or separate from each other;a position control unit configured to control the driving unit, and perform feedback control of the position of at least one of the first and second rollers;a force control unit configured to control the driving unit, and perform feedback control of a force acting on between the first and second rollers; anda control-method switching unit configured to switch, after the position of the first and second rollers is switched from a separation position to a contact position by the feedback control performed by the position control unit, a feedback controlled object so that the force becomes a target value of nip pressure through the ...

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Номер записи: 94
02-02-2017 дата публикации

FEEDING APPARATUS AND IMAGE FORMING SYSTEM INCLUDING THE SAME

Номер: US20170031296A1
Автор: Sato Yasushi
Принадлежит:

A feeding apparatus configured to feed a sheet, the feeding apparatus including: a placement unit on which the sheet is placed, the placement unit being movable in an intersecting direction intersecting with a sheet feeding direction; a feeding unit configured to feed the sheet placed on the placement unit in the sheet feeding direction; and a first guide unit and a second guide unit configured to guide the placement unit in the intersecting direction, wherein the first guide unit is disposed below the feeding unit and the second guide unit and downstream of the second guide unit in the sheet feeding direction. 1. A feeding apparatus configured to feed a sheet , the feeding apparatus comprising:a placement unit on which the sheet is placed, the placement unit being movable in an intersecting direction intersecting with a sheet feeding direction;a feeding unit configured to feed the sheet placed on the placement unit in the sheet feeding direction; anda first guide unit and a second guide unit configured to guide the placement unit in the intersecting direction,wherein the first guide unit is disposed below the feeding unit and the second guide unit and downstream of the second guide unit in the sheet feeding direction.2. A feeding apparatus according to claim 1 , further comprising a storage unit configured to store the placement unit and the sheet placed on the placement unit claim 1 ,wherein the first guide unit and the second guide unit guide the storage unit in the intersecting direction,wherein the first guide unit is disposed below a center of the storage unit in a height direction, andwherein the second guide unit is disposed above the center.3. A feeding apparatus according to claim 1 , further comprising a storage unit configured to store the placement unit and the sheet placed on the placement unit claim 1 ,wherein the first guide unit and the second guide unit guide the storage unit in the intersecting direction, andwherein the first guide unit and the ...

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Номер записи: 95
04-02-2016 дата публикации

IMAGE FORMING APPARATUS

Номер: US20160033919A1
Автор: Egi Makoto
Принадлежит: KYOCERA Document Solutions Inc.

An image forming apparatus includes a guiding part, a discharge flow path and an airflow control mechanism. The guiding part is configured to form a sheet conveying path from a sheet feeding part to a transferring device between a development unit and the transferring device. The discharge flow path formed between the development unit and the guiding part communicates with a sheet feeding part-side space where the sheet conveying path faces the sheet feeding part and an image carrier-side space where the sheet conveying path faces the image carrier. The airflow control mechanism is configured to guide airflow generated in the sheet feeding part-side space when a rear end of the sheet is separated from the sheet feeding part in a direction spaced away from a developing nip. 1. An image forming apparatus comprising:a development unit configured to forma developing nip with an image carrier and develop an electrostatic latent image formed on the image carrier into a toner image at the developing nip;a transferring device configured to transfer the toner image to a sheet fed from a sheet feeding part;a guiding part having an upper guiding plate disposed on a side of the development unit and a lower guiding plate disposed on a side of the transferring device, in which the upper guiding plate and the lower guiding plate form a sheet conveying path extending from the sheet feeding part to the transferring device between the development unit and the transferring device;a discharge flow path formed between the development unit and the guiding part and communicating with a sheet feeding part-side space where the sheet conveying path faces the sheet feeding part and an image carrier-side space where the sheet conveying path faces the image carrier; andan airflow control mechanism configured to guide airflow generated in the sheet feeding part-side space when a rear end of the sheet is separated from the sheet feeding part in a direction spaced away from the developing nip.2. ...

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Номер записи: 96
01-02-2018 дата публикации

IMAGE FORMING APPARATUS, CONTINUOUS-MEDIUM TRANSPORT DEVICE, AND IMAGE FORMING SYSTEM

Номер: US20180032019A1
Автор: Hayashi Yoshihiro, YOKOYAMA Yuki
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes an image forming section that forms an image on a continuous medium, a transport unit that transports the continuous medium, and a detection unit that detects breakage of the continuous medium transported by the transport unit from a transport state of the continuous medium. 1. An image forming apparatus comprising:an image forming section that forms an image on a continuous medium;a transport unit that transports the continuous medium; anda detection unit that detects breakage of the continuous medium transported by the transport unit from a transport state of the continuous medium.2. The image forming apparatus according to claim 1 ,wherein the image forming section fixes the image on the continuous medium by heating and pressurizing the continuous medium when the continuous medium on which the image is formed passes through a nip, andwherein the image forming apparatus further comprises a unit that releases pressurization at the nip when the detection unit detects the breakage of the continuous medium.3. The image forming apparatus according to claim 1 , wherein claim 1 , when the detection unit detects the breakage of the continuous medium claim 1 , the transport unit transports a part located on an upstream side in a transport direction claim 1 , of two parts of the continuous medium divided by the breakage claim 1 , to the upstream side.4. The image forming apparatus according to claim 2 , wherein claim 2 , when the detection unit detects the breakage of the continuous medium claim 2 , the transport unit transports a part located on an upstream side in a transport direction claim 2 , of two parts of the continuous medium divided by the breakage claim 2 , to the upstream side.5. The image forming apparatus according to claim 1 , wherein claim 1 , when the detection unit detects the breakage of the continuous medium claim 1 , the transport unit transports a part located on an upstream side in a transport direction claim 1 , of ...

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Номер записи: 97
30-01-2020 дата публикации

SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20200031598A1
Автор: Isobe Ken-ichiro, Mizuta Takayuki, Osada Takehito
Принадлежит:

A sheet conveying apparatus includes a guide unit to guide a sheet conveyed by a sheet conveyance portion. The guide unit includes a first movable guide, a second movable guide, and a linking mechanism having an intermediate member through which the first and second movable guides are linked movably with respect to each other. A conveyance regulating portion is supported by the intermediate member and guides the sheet passing through a first conveyance path toward the sheet conveyance portion and guides the sheet that is switched back by the sheet conveyance portion toward a second conveyance path. 116.-. (canceled)17. A sheet conveying apparatus comprising:an apparatus body provided with a first guide portion and a second guide portion;a cover unit configured to be opened and closed with respect to the apparatus body;a sheet conveyance portion configured to switchback a sheet received through a first conveyance path and send the sheet to a second conveyance path, the first conveyance path being a path through which the sheet is conveyed while being guided by the first guide portion, the second conveyance path being a path through which the sheet is conveyed while being guided by the second guide portion; anda guide unit configured to guide the sheet conveyed by the sheet conveyance portion,wherein the guide unit comprises:a first movable guide supported movably by the apparatus body and configured to form the first conveyance path between the first guide portion and the first movable guide in a state where the cover unit is closed;a second movable guide being movable with respect to the apparatus body and configured to form the second conveyance path between the second guide portion and the second movable guide in a state where the cover unit is closed;a linking mechanism comprising an intermediate member through which the first and second movable guides are linked movably with respect to each other, the linking mechanism being configured to coordinate movements of ...

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Номер записи: 98
05-02-2015 дата публикации

Thermal printer

Номер: US20150035933A1
Автор: Kazuyuki Hoshi
Принадлежит: Sato Holdings Corp

A thermal printer configured for preventing fluttering of a sheet during its printing by a thermal head for preventing printing failure or a sheet jam. A thermal head ( 26 ) opposes a platen roller ( 28 ). A scale ( 60 ) is provided in a fixed guide portion ( 23 ) which is provided on an upstream side of the platen roller ( 28 ) and guides an entire width of a sheet ( 12 ). A pair of sheet width guides ( 18 a ) and ( 18 b ) on an upstream side of the fixed guide portion ( 23 ) guide a sheet width. Upper guide plates ( 20 a ) and ( 20 b ) provided in the sheet guides ( 18 a ) and ( 18 b ) are shaped and located to reach an upper portion of the fixed guide portion ( 23 ).

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Номер записи: 99
04-02-2021 дата публикации

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

Номер: US20210032055A1
Автор: Uehara Tomoya
Принадлежит:

A sheet feeding device includes a detachable separation unit, a conveyance unit, a guide member, an urging member, and an opening and closing member. The feeding unit feeds a stored sheet. The separation unit separates sheets fed by the feeding unit one by one. The conveyance unit conveys the sheet. Urged by the urging member, the guide member guides the sheet toward the conveyance unit and rotates about a first rotating shaft. The opening and closing member opens and closes. In a state in which the opening and closing member is closed, the guide member is positioned in a first position in which the guide member forms a conveyance path. In a process in which the opening and closing member is opened, a free end of the guide member moves upwardly about the first rotating shaft, by using an urging force, from the first to a second position. 1. A sheet feeding device comprising:a storage unit configured to store a sheet;a feeding unit configured to feed the sheet stored in the storage unit;a separation unit configured to separate sheets fed by the feeding unit one by one, wherein the separation unit is detachable from the sheet feeding device;a conveyance unit located on a downstream side of the separation unit in a sheet conveyance direction and above the separation unit and configured to convey the sheet;a guide member located on the downstream side of the separation unit in the sheet conveyance direction and above the separation unit and configured to form a conveyance path to guide the sheet toward the conveyance unit, wherein the guide member is configured to rotate about a first rotating shaft;an urging member configured to urge the guide member; andan opening and closing member configured to face the guide member and to be opened and closed with respect to a main body unit of the sheet feeding device,wherein, in a state in which the opening and closing member is closed with respect to the main body unit, the guide member is positioned in a first position in which ...

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Номер записи: 100