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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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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 4332. Отображено 100.
10-12-2016 дата публикации

Механическое устройство для поддержания руки

Номер: RU0000166673U1

1. Механическое устройство для поддержания руки, содержащее:ложемент (8) для руки,штангу (11), дистальный конец которой шарнирно соединен с ложементом (8) с обеспечением подвижности ложемента (8) в вертикальной плоскости,кронштейн (13), шарнирно соединенный с проксимальным концом штанги (11) с обеспечением подвижности штанги (11) в вертикальной плоскости под действием веса руки,горизонтальную регулировочную планку (14), на которой закреплен кронштейн (13),газовую пружину сжатия (15), дистальный конец которой связан со штангой (11) через передвижной шарнир (16), размещенный на штанге (11) с возможностью перемещения вдоль нее и фиксации на ней, а проксимальный конец шарнирно связан с регулировочной планкой (14) с возможностью перемещения вдоль нее и фиксации на ней, идополнительную планку (21), шарнирно соединенную с регулировочной планкой (14) с обеспечением ее подвижности в горизонтальной плоскости, причем дополнительная планка (21) выполнена с возможностью связи с неподвижной опорой.2. Устройство по п. 1, отличающееся тем, что ложемент (8) для руки выполнен жестким, при этом устройство дополнительно содержит размещенный в ложементе (8) мягкий ложемент (9).3. Устройство по п. 1, отличающееся тем, что штанга (11), регулировочная планка (14) и дополнительная планка (21) выполнены из алюминиевого сплава.4. Устройство по п. 1, отличающееся тем, что номинальное усилие полного сжатия газовой пружины (15) составляет 50-100 Н.5. Устройство по п. 1, отличающееся тем, что в регулировочной планке (14) выполнен продольный внутренний паз (17), а также ряд поперечных пазов (18), сообщающихся с продольным пазом (17), при этом устройство дополнительно содержит эксцентрик (19), связанный с проксимальным концом газовой пружины (15) и размещенный в продольном пазу (17) РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 166 673 U1 (51) МПК A61F 5/00 (2006.01) A47C 7/54 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ...

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28-02-2013 дата публикации

Chair and Method for Fabricating the Same

Номер: US20130049422A1
Принадлежит: Individual

A chair and a method for fabricating the chair are provided. Therein, a butterfly mechanism has projecting portions for engaging with receiving recesses formed on a seat frame of the chair, and then the combined butterfly mechanism and seat frame can be fixed by screw members. A tubular portion at the butterfly mechanism is then mounted around a gas lift of a base portion of the chair. Then forward-extending projecting portions formed on a back frame of the chair are engaged with receiving recesses formed correspondingly on the butterfly mechanism, and the back frame and the butterfly mechanism are fixed by using screw members. An inward-extending connecting portion formed at a lower part of each of two armrest supports is inserted into a through hole on the seat frame, and the two components are fixed by using screw members.

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25-04-2013 дата публикации

CHAIR HAVING POWERED LEG EXTENSION

Номер: US20130099546A1
Принадлежит: HILL-ROM SERVICES, INC.

A chair with articulable support sections and an integrated lift system may have support sections mechanically linked such that a single actuation control device may articulate multiple sections. The chair includes configurable accessories directed to the comfort of an occupant of the chair. The support sections may include air cells to adjust firmness of support section surfaces. 1. A foot section for a chair comprisinga main portion,a movable portion,a drive supported on the main portion, the drive including a motor, a drive screw, and a nut mounted to the drive screw, wherein the motor rotates the drive screw and the nut moves along the drive screw,a linear guide supported on the movable portion,a follower movable along the guide, anda linearly extendable linkage having a first link pivotably coupled to the nut and a second link pivotably coupled to the follower and the first link such that the follower moves as the nut moves, the distance between the nut and the follower changing as the nut and follower move.2. The foot section of claim 1 , further comprising a first bracket pivotably coupled to the main portion and a second bracket pivotably coupled to the moving portion claim 1 , wherein movement of the nut causes pivoting of the first bracket relative to the main portion and pivoting of the second bracket relative to the moving portion.3. The foot section of claim 2 , the linearly extendable linkage further comprising a third link pivotably coupled to the first bracket and a fourth link pivotably coupled to the second bracket and the third link.4. The foot section of claim 3 , wherein the third link is pivotably coupled to the first link.5. The foot section of claim 4 , wherein the fourth link is pivotably coupled to the second link.6. The foot section of claim 5 , wherein the linearly extendable linkage has a variable length claim 5 , the length of the linearly extendable linkage varying in a direction that is perpendicular to the guide.7. The foot section ...

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09-05-2013 дата публикации

ADJUSTMENT MECHANISM

Номер: US20130113259A1
Автор: Wilson Charles
Принадлежит:

An adjustment mechanism () for an article of furniture includes a support structure () securable to a seat base of the article of furniture. A carrier () is displaceably arranged relative to the support structure (), the carrier () being configured to mount a component () of the article of furniture. A link assembly () interconnects the support structure () and the carrier (). The link assembly () comprises at least one linkage mechanism () which causes initial, substantially linear motion of the carrier () relative to the support structure () to become substantially rotary motion as the carrier () moves from a first position to a second position relative to the seat base of the article of furniture. 1. An adjustment mechanism for an article of furniture , the adjustment mechanism includinga support structure securable to a seat base of the article of furniture;a carrier displaceably arranged relative to the support structure, the carrier being configured to mount a component of the article of furniture; anda link assembly interconnecting the support structure and the carrier, the link assembly comprising at least one linkage mechanism which causes initial, substantially linear motion of the carrier relative to the support structure to become substantially rotary motion as the carrier moves from a first position to a second position relative to the seat base of the article of furniture.2. The adjustment mechanism of in which the link assembly is configured to cause the carrier to move substantially linearly initially and then claim 1 , upon further displacement of the carrier relative to the support structure claim 1 , to cause the carrier to pivot relative to the support structure to move the carrier from the first position to the second position and vice versa to move the carrier from the second position to the first position.3. The adjustment mechanism of in which the at least one linkage mechanism comprises a pair of spaced links claim 1 , each link having a ...

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16-05-2013 дата публикации

ADJUSTABLE TELESCOPING ARM

Номер: US20130119738A1
Автор: WALLIS David E.
Принадлежит: FLEXSTEEL METAL DIVISION

An arm assembly with an arm, a plurality of vertical support members and a horizontal member is telescopingly mounted in a housing, such that the arm assembly moves vertically by movement of a scissors mechanism having slidable pivot mountings, whereby movement of a linear actuator at the bottom of the housing translates horizontal movement to vertical movement, which vertical movement is imparted upwardly by a spring and downwardly against the spring, the vertical movement being controlled by a lever and cable actuated lock. 1. An adjustable telescoping arm comprising:an arm adapted to be raised, lowered or fixed;a release and adjustment mechanism;a scissors linkage formed of a first rectangular member having upper and lower ends, and a second rectangular member having upper and lower ends, said first and second rectangular members being pivotally connected to one another in a cross-like pattern;{'b': '5', 'i': 'a', 'said upper end of said first rectangular member is pivotally connected to an arm assembly, and said lower end of said first rectangular member () is slidably and pivotally connected to a linear actuator proximate the lower section of the housing, whereby horizontal movement of said linear actuator imparts vertical movement of said arm assembly.'}2. The adjustable telescoping arm of claim 1 , wherein said upper end of said second rectangular member is slidably and pivotally affixed to said arm assembly and said second end of said second rectangular member is pivotally affixed to a lower section of the housing.3. The adjustable telescoping arm of claim 2 , wherein said lower end of the first rectangular member is attached to a spring mechanism claim 2 , said spring mechanism being biased in manner wherein extension of the spring urges said lower end of said first rectangular member towards said lower end of said second rectangular member claim 2 , thereby imparting vertical movement of said arm assembly.4. The adjustable telescoping arm of claim 3 , ...

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04-07-2013 дата публикации

Seating furniture and fitting for same

Номер: US20130169018A1
Автор: Matthias Fischer
Принадлежит: Kintec Solution Gmbh

Seating furniture including a base fixed in position during use, a seat unit with a seat surface, and a leg unit moveable in relation to the seat unit and having a leg support surface. The leg unit is displaceable by a movement mechanism between a storage position and a use position. The movement mechanism transfers the leg unit from the storage position into the use position, and has an intermediate support displaceable in relation to the seat unit or the base by a pivoting guide. The pivoting guide has a first pivot lever between the intermediate support and the seat unit or the base, and the movement mechanism has a sliding guide with a sliding member guided in a translatory manner on the intermediate support, and the leg unit is attached to the sliding member.

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08-08-2013 дата публикации

Travel Foot Rest

Номер: US20130200663A1
Автор: Marsters Monti
Принадлежит:

The invention is directed to a travel footrest. A sheet of durable fabric is provided. The sheet is approximately the width of a passenger vehicle seat and hangs from a strap wrapped around the neck support or tray table of the seat in front and extends forward onto the user's seat. The user sits on the lower end of the fabric such that the user's own weight provides a second support point in addition to the neck rest of the seat in front. The user places his or her feet on the portion of the fabric that is between his or her own seat and the seat in front and finds his or her feet to be fully and stably supported. The user can adjust the height of the foot rest by adjusting the amount of slack in the fabric. 1. A travel foot rest comprising:(a) a sheet of flexible fabric material having a front face, a rear face, a top edge, a bottom edge, a left edge, and a right edge;(b) a first flexible strap member having a first end and a second end;(c) a second flexible strap member having a first end and a second end;(d) said first end of said first flexible strap member being affixed to said top edge of said sheet of flexible fabric material;(e) said first end of said second flexible strap member being affixed to said top edge of said sheet of flexible fabric material;(f) said second end of said first flexible strap member being releasably and adjustably attached to said second end of said flexibly strap member by a cinch; and(g) said sheet of flexible material being about the width of a passenger seat and having a length sufficient to hang by said first and second strap members from around the headrest or tray table of a first passenger seat to rest upon the seat top portion of a second passenger seat located behind said first passenger seat;whereby a user may attach said sheet of flexible fabric material about an anchor point located on a first passenger seat located in front of a second passenger seat by said first and second flexible strap members, drape said bottom ...

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03-10-2013 дата публикации

Magnetically-coupled furnishing system

Номер: US20130255044A1
Автор: Albert Chen
Принадлежит: Individual

Disclosed is a furnishing system having at least furnishing and another unit of furniture, each having a plurality of faces. The furnishing has left and right first furnishing magnets of opposite polarity both disposed on a first furnishing face at a given height and spaced a given distance apart. The another unit has left and right first unit magnets of opposite polarity both disposed on a first unit face at the given height and spaced the given distance apart. The left first furnishing magnet is of the same polarity as the left first unit magnet. Positioning of the another unit relative to the furnishing such that the left first furnishing magnet magnetically couples to the right first unit magnet causes magnetic coupling of the first furnishing face to the first unit face.

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24-10-2013 дата публикации

Footrest Apparatus and Method

Номер: US20130278039A1
Автор: Long Mariana
Принадлежит:

Systems and methods for enabling passengers to rest or elevate their feet. In one embodiment, an apparatus has a seat-back attachment portion, a support portion and a footrest portion integral to an adjustable loop of fabric. The seat-back attachment portion is positionable on a top or tray table of a seat-back. The support portion is coupled to the seat-back attachment and footrest portions and suspends the footrest portion at a variable height above the floor. The apparatus may include an integral cover which substantially encloses the apparatus when in a folded position. The footrest portion may have a substantially rigid lateral member, and may have padding secured to the rigid lateral member. 1. An apparatus comprising:a seat-back attachment portion configured to secure the apparatus to a seat-back;a support portion coupled to the seat-back attachment portion; anda footrest portion coupled to the support portion;wherein the support portion is configured to suspend the footrest portion and to transfer weight from the footrest portion to the seat-back attachment portion.2. The apparatus of claim 1 , wherein the seat-back attachment portion is configured to be removably positioned on top of the seat-back and held in position by the weight transferred by the support portion.3. The apparatus of claim 2 , wherein the seat-back attachment portion has a non-slip surface configured to contact the seat-back.4. The apparatus of claim 1 , further comprising a cover which is connected to at least one of the seat-back attachment portion claim 1 , the support portion and the footrest portion claim 1 , wherein when the apparatus is in a folded position claim 1 , the cover is configured to substantially enclose the apparatus and to maintain the apparatus in the folded position.5. The apparatus of claim 4 , wherein the cover is integral to the footrest portion claim 4 , the footrest portion including a substantially rigid lateral member claim 4 , a layer of padding secured to ...

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31-10-2013 дата публикации

OTTOMAN DEVICE

Номер: US20130285433A1
Принадлежит: AISIN SEIKI KABUSHIKI KAISHA

An ottoman device includes a base bracket, a link mechanism supporting an ottoman and including a rotation link, engagement portions formed at facing surfaces that are provided at the rotation link and the base bracket respectively and engaging with each other to restrict a rotation of the rotation link, at least one of the engagement portions including an inclined surface serving as an engagement surface, a restriction portion restricting a relative axial movement between the rotation link and the base bracket in a direction in which the rotation link is separated from the base bracket in a load range where an engagement state between the engagement portions is maintainable, and an operation portion configured to change a relative position between the rotation link and the base bracket by moving the restriction portion in an axial direction of the rotation shaft. 1. An ottoman device comprising:a base bracket configured to be arranged at a front edge of a seat;a link mechanism supporting an ottoman and including a rotation link connected to the base bracket via a rotation shaft, the link mechanism selectively causing the ottoman to be deployed forward of the seat and to be retracted to the front edge of the seat based on a rotation of the rotation link;engagement portions formed at facing surfaces that are provided at the rotation link and the base bracket respectively and engaging with each other to restrict the rotation of the rotation link, each of the facing surfaces being formed at a peripheral edge of the rotation shaft, at least one of the engagement portions including an inclined surface serving as an engagement surface;a restriction portion restricting a relative axial movement between the rotation link and the base bracket in a direction in which the rotation link is separated from the base bracket in a load range where an engagement state between the engagement portions is maintainable; andan operation portion configured to change a relative position ...

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28-11-2013 дата публикации

FOLDABLE LEG REST

Номер: US20130313882A1
Принадлежит:

A foldable leg rest has a slide base, a first folding assembly, a second folding assembly, a first stage drive mechanism and a second stage drive mechanism. The slide base has a slide frame. The first folding assembly has a first frame pivotally connected to the slide frame. The second folding assembly has a second frame pivotally connected to the first frame. In use, the first stage drive mechanism is operated to drive the first frame to pivot relative to the slide frame and the second stage drive mechanism is operated to drive the second frame to pivot relative to the first frame. Therefore, the legs of a sitter can be stretched and placed on the folding assemblies so as to enhance comfort and minimize fatigue. 1. A foldable leg rest comprising: a slide frame having two sides and a front end; and', a front end;', 'a projection extending from the front end of the supporting arm; and', 'a rolling bearing and a roller mounted on the projection;, 'two supporting arms respectively slidably mounted on the sides of the slide frame and each supporting arm having], 'a slide base including [ a front end;', 'a rear end pivotally connected to the front end of the slide frame; and', 'a bottom surface having two side portions; and, 'a first frame having, 'two guide pieces respectively secured to the side portions of the bottom surface of the first frame and each guide piece having a guide slot for allowing the projection of a corresponding supporting arm to extend therethrough and to move therealong;, 'a first folding assembly includinga second folding assembly including a second frame having a rear end pivotally connected to the front end of the first frame;a first stage drive mechanism mounted on the slide base and operated to drive the supporting arms to slide relative to the slide frame and to make the projections of the supporting arms move along the guide slots of the guide pieces so that the first frame is pivoted relative to the slide base; anda second stage drive ...

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05-12-2013 дата публикации

HEIGHT ADJUSTMENT MECHANISM FOR ARMREST

Номер: US20130320739A1
Автор: CHEN Te-Chun
Принадлежит: ATEC INTERNATIONAL TEAM CO., LTD.

A height adjustment mechanism for armrests is revealed. The height adjustment mechanism includes a tubular base disposed with positioning holes, an outer sleeve disposed around the tubular base and having an opening arranged at a top end thereof, a strip rack mounted in the outer sleeve and disposed with an insertion slot on a lower part thereof, a pull handle mounted in the strip rack, a positioning member arranged at a lower end of the pull handle and inserted through the insertion slot of the strip rack to be locked in the positioning hole of the tubular base, a press member passed through the opening of the outer sleeve to be connected to a top end of the pull handle, and an alignment member disposed on corresponding surfaces of the strip rack and the pull handle for limiting vertical displacement of the pull handle and the strip rack. 1. A height adjustment mechanism for armrests comprising:a tubular base whose lower part is connected to a chair seat while one side surface of an upper part thereof is disposed with a plurality positioning holes arranged vertically with a certain interval; the positioning holes are connected by a vertical long slot;an outer sleeve that is disposed around an upper part of the tubular base and having an opening arranged at an upper end thereof and an armrest pad set at a top surface thereof;a strip rack that is mounted in the outer sleeve and located inside the tubular base and having a groove formed along a length direction thereof, an opening on an upper part thereof and corresponding to the opening of the outer sleeve, and an insertion slot on a lower part thereof and corresponding to one of the positioning holes of the tubular base;a pull handle that is mounted in the groove of the strip rack and having a projective rod that is disposed on a top end thereof and is corresponding to the opening of the strip rack and the opening of the outer sleeve;a positioning member arranged at a lower end of the pull handle and being driven to ...

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26-12-2013 дата публикации

Chair-type massage apparatus

Номер: US20130341974A1
Принадлежит: Daito Electric Machine Industry Co Ltd

There is provided a chair-type massage apparatus which, while having a low-height backrest, affords an adequate massage effect without forcing a user to take an uncomfortable position. The chair-type massage apparatus 1 comprises: the seat 2 ; the base frame 8 for supporting the seat 2 on a floor; the backrest 3 disposed at the rear of the seat 2 for the support of user's back; and the massage section 6 incorporated in the backrest 3 , for performing a massage on a user sitting on the seat 2 , and further includes the up-and-down means 15 for switchably changing the height of the backrest 3 vertically within a range between the housing position where the lower part of the backrest 3 is stored under the seat 2 and the protruding position where the lower part of the backrest 3 is raised to an upper location.

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13-03-2014 дата публикации

Adjustable structure for the footrest ring of a chair

Номер: US20140070592A1
Автор: Yu Ming Yeh
Принадлежит: Individual

An adjustable structure for the footrest ring of a chair includes a footrest ring, a sleeve, a nut, an adjusting rod and two retaining rings. The sleeve is received in a through hole of a fixed base of the footrest ring, having a wall cut with an oblique groove. The nut is secured in an insert hole of the fixed base of the footrest ring. The adjusting rod has one end screwed in the nut and another end extending out of the fixed base. The two retaining rings are respectively engaged in the engage groove at an upper and a lower outer wall of the sleeve. Thus, the footrest ring can conveniently be adjusted in height and stably positioned on the support tube of a chair.

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20-03-2014 дата публикации

Chair Arm Assembly

Номер: US20140077566A1
Принадлежит: STEELCASE INC.

A chair assembly includes a four-bar linkage assembly including a first linkage member and a second linkage member each having a U-shaped cross-sectional configuration that cooperate to form an interior space, a third linkage member and a fourth linkage member, wherein the linkage members are pivotably coupled to on another such that an upper end of the four-bar linkage is vertically adjustable between a raised and lowered positions, an arm rest assembly supported on the upper end of the four-bar linkage assembly, and a locking assembly including a first locking link having a first surface and a second locking link having plurality of teeth corresponding to a plurality of vertical positions of the four-bar link located between the raised and lowered positions, wherein the locking links are movable between locked and unlocked positions, and wherein the first and second locking links are located within the interior space. 1. A chair assembly , comprising: a first linkage member having a first end, a second end, and a U-shaped cross-sectional configuration located along a length thereof;', 'a second linkage member having a first end, a second end, and a U-shaped cross-sectional configuration located along a length thereof, and wherein the first linkage member and the second linkage member cooperate to form an interior space extending longitudinally along the lengths of the first and second linkage members;', 'a third linkage member having a first end pivotably coupled to the first end of the first linkage member for rotation about a first pivot point, and a second end pivotably coupled to the first end of the second linkage member for rotation about a second pivot point; and', 'a fourth linkage member having a first end pivotably coupled to the second end of the first linkage member for rotation about a third pivot point, and a second end pivotably coupled to the second end of the second linkage member for rotation about a fourth pivot point;', 'wherein the four-bar ...

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20-03-2014 дата публикации

Chair Arm Assembly

Номер: US20140077567A1
Принадлежит: STEELCASE INC.

A chair assembly includes a four-bar linkage assembly including a first linkage member, a second linkage member, a third linkage member and a fourth linkage member each pivotably coupled to one another such that the four-bar linkage assembly includes an upper end that is adjustable between raised and lowered positions, and an arm rest assembly adapted to support the arm of a seated user thereon and supported the upper end of the four-bar linkage assembly, wherein a lower end of the four-bar linkage assembly is pivotably supported from an arm support structure for pivotable movement, such that the upper end of the four-bar linkage assembly is moveable between a first position and second position located laterally outward from the first position. 1. A chair assembly , comprising; a first linkage member having a first end and a second end;', 'a second linkage member having a first end and a second end;', 'a third linkage member having a first end pivotably coupled to the first end of the first linkage member for rotation about a first pivot point, and a second end pivotably coupled to the first end of the second linkage member for rotation about a second pivot point; and', 'a fourth linkage member having a first end pivotably coupled to the second end of the first linkage member for rotation about a third pivot point, and a second end pivotably coupled to the second end of the second linkage member for rotation about a fourth pivot point;', 'wherein the four-bar linkage assembly includes a lower end and an upper end that is adjustable between a raised position and a lowered position;', 'an arm rest assembly adapted to support the arm of a seated user thereon and supported on the upper end of the four-bar linkage assembly; and', 'wherein the lower end of the four-bar linkage assembly is pivotably supported from an arm support structure for pivotable movement about a fifth pivot point, such that the upper end of the four-bar linkage assembly is moveable between a first ...

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03-04-2014 дата публикации

ONE PIECE CHAIR WITH INTEGRAL ARM REST

Номер: US20140091608A1
Принадлежит:

A chair and method of construction with the chair being comprised of a single flat sheet of a bendable material capable of supporting a human body. A longitudinal slit extends between the upper and lower edges and is spaced from the upper edge. The slit is offset from an adjacent side edge wherein the slit separates portions of the sheet into a large area portion and a small area portion. The large area portion is bent with alternating bends, to provide a chair configuration with support of a back, hips, thighs, and knees of a person seated thereon. The small area portion of the sheet is bent with alternating bends to provide an armrest support for the person seated on the chair. The chair is directly supported on the ground at the bend configured for supporting the hips and at the lower edge of the sheet, without any separate leg elements. 1. A chair made from a single , generally rectangular sheet body of a bendable material , the chair comprising:upper and lower edges and two side edges of the sheet body,at least one longitudinal slit extending between the upper and lower edges, the slit being spaced from the upper edge, and the slit being offset from an adjacent side edge and extending generally parallel thereto;wherein the slit separates portions of the sheet body into a large area portion and a small area portion,the large area portion including several bends configured to provide a chair configuration with a back rest, a seating portion and a leg support, andwherein the small area portion includes bends so located as to form an arm rest for the person seated on the chair.2. The chair of claim 1 , wherein the chair is supported on the ground at a first support formed by one of the bends which is located below the seating portion.3. The chair of claim 2 , wherein the chair is supported on the ground at a second position located at or adjacent the lower edge of the large area portion.4. The chair of claim 1 , wherein the sheet body comprises a second ...

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03-04-2014 дата публикации

SEATING UNIT WITH IMPROVED STRUCTURE

Номер: US20140091609A1
Принадлежит: FLEXSTEEL INDUSTRIES, INC.

A seating unit includes a spring unit mounted in a frame, the spring unit having spring structures with end and middle stacked arches and interconnected to one another by tie bars, the spring unit being mounted in a frame having side rails, bottom slats, a continuous front rail, side rails, reinforcing blocks and brackets formed and arranged as a space frame. 1. A seating unit having a seat and a back , with a width , depth and height comprising:a frame formed and arranged to have a back assembly, an arm and a seat assembly;said seat assembly has interconnected front rail assembly, side rail, side center rail and back center rail assembly;mounted in said seat assembly is a spring unit formed with a plurality of hanger bars having front and rear mounting ends, said hanger bars being selected in a number depending on the width of the seating unit;a front of the seating unit terminates with hanger brackets for mounting to said front rail assembly;said hanger bars have a middle portion that supports frame irons and stacked arches, a first stacked arch located at an end and a second stacked arch located forwardly relative to the back so as to provides support in the middle of the spring unit;said stacked arches are formed of an inner arch and an outer arch joined at the top by fasteners, to form a unit with flat band leaf springs to form individual spring structures, said spring structure being interconnected to at least one other spring structure by transversely extending tie bars to form a deck;said tie bars permitting independent movement of said spring structures;said stacked arches have lower parts fastened to frame irons at frame iron—arch—connections;said hanger bars descending from hanger bar ends to said middle portions thereby lowering the height of said deck while permitting sufficiently large section members in said frame;said frame has a back assembly formed with side uprights and a center upright, with a back center rail spanning the side uprights and ...

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06-01-2022 дата публикации

DETACHABLE CHAIR LEG AND CHAIR

Номер: US20220000267A1
Автор: Huang Yiqun
Принадлежит:

The present disclosure relates to a detachable chair leg and a chair. The chair includes feet and a central support. The central support includes a support body and a plurality of mount portions, one side of the foot is provided with a mount groove. The mount portion is horizontally embedded in the mount groove, and a fastening assembly is provided between the foot and the central support to prevent the mount portion from removing laterally from the mount groove. The mount portion is provided with first limit portions, the foot is provided with second limit portions, at least one first limit portion is located at the outer side of the second limit portion along a longitudinal direction, the first limit portions and the second limit portions cooperate to form a longitudinal limit structure that prevents the foot from being separated from the mount portion in the longitudinal direction. 1. A detachable chair leg , comprising a plurality of feet and a central support , the central support comprising a support body and a plurality of mount portions fixedly connected to the support body; each of the plurality of feet being provided with a mount groove on one side of the foot , wherein: the mount portion is horizontally embedded in the mount groove , and between the each of the plurality of feet and the central support , a fastening assembly is provided to prevent each of the plurality of mount portions from being laterally separated from the mount groove; the each of the plurality of mount portions is provided with a plurality of first limit portions; the foot is provided with a plurality of second limit portions , at least one of the plurality of the first limit portions is located outside the second limit portions in a longitudinal direction; the limit portions cooperates with the second limit portions to form a longitudinal limit structure that prevents the foot from removing from the mount portion in the longitudinal direction.2. The detachable chair leg according to ...

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07-01-2016 дата публикации

LEG REST DEVICE

Номер: US20160000227A1
Автор: KIM Bong Ku
Принадлежит:

A leg rest device may a first link member rotatably installed in a front of a seat frame, a second link member installed on a leg plate for supporting legs of a passenger and connected to the first link member to be movable along a longitudinal direction of the first link member, a guide member, one end of which is installed in the seat frame to be rotatable together with the first link member and the other end of which is connected to the second link member to be movable along a longitudinal direction of the second link member, and a driving portion installed in the seat frame. The driving portion, when operating, provides power for the first link member to be rotated, and allows the second link member to be rotated and simultaneously to be moved in the longitudinal direction of the first link member as the guide member is rotated together with the first link member. 1. A leg rest device , comprising:a first link member that is rotatably installed in a front of a seat frame;a second link member which is installed on a leg plate for supporting legs of a passenger and is connected to the first link member so as to be movable along a longitudinal direction of the first link member;a guide member, one end of which is installed in the seat frame so as to be rotatable together with the first link member and the other end of which is connected to the second link member so as to be movable along a longitudinal direction of the second link member; anda driving portion that is installed in the seat frame and provides power for the first link member to be rotated, and allows the second link member to be rotated and simultaneously to be moved in the longitudinal direction of the first link member as the guide member is rotated together with the first link member when operating.2. The leg rest device of claim 1 , wherein the second link member is disposed at a front side of the first link member claim 1 , a first extension groove is formed on a side surface of the first link ...

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03-01-2019 дата публикации

AIRCRAFT SEAT DEVICE

Номер: US20190002106A1
Принадлежит:

An aircraft seat device includes at least one seat bottom unit, which at least partly implements a seat surface and includes a mounting unit, which is configured to be mounted on a mounting plane, and includes at least one carrier element, which extends at least over a large portion of a seat depth of the seat surface and is configured for coupling the seat bottom unit with the mounting unit. 1. An aircraft seat device with at least one seat bottom unit , which at least partly implements a seat surface , with a mounting unit , which is configured to be mounted on a mounting plane , and with at least one carrier element , which extends at least over a large portion of a seat depth of the seat surface and is configured for coupling the seat bottom unit with the mounting unit.2. The aircraft seat device according to claim 1 , wherein in at least one seat position the at least one carrier element is arranged at least substantially underneath an upper edge of the seat bottom unit.3. The aircraft seat device according to by further comprising a backrest unit claim 1 , which is at least partially implemented integrally with the seat bottom unit.4. The aircraft seat device according to claim 1 , wherein the seat bottom unit and/or a backrest unit are/is configured to be pivotally connected to the mounting unit.5. The aircraft seat device according to claim 4 , wherein the seat bottom unit and/or the backrest unit are supported around a shared pivot point.6. The aircraft seat device according to claim 4 , further comprising at least one support module claim 4 , which is configured for pivoting the seat bottom unit and/or the backrest unit relative to the carrier elements claim 4 , implementing for this purpose a pivot axis that is arranged underneath the seat bottom unit.7. The aircraft seat device according to claim 6 , wherein the support module comprises at least one torsion element claim 6 , implementing the pivot axis of the aircraft seat and extending over a seat width ...

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12-01-2017 дата публикации

Rotating Device for Armrest

Номер: US20170007024A1
Автор: Lai Yen-Chuan, LAI YU-SHAN
Принадлежит:

A rotating device for an armrest is connected with a fixing mount disc on a top surface of an armrest seat and is rotatably coupled with a rotary plate on a bottom surface of the support plate. The fixing mount disc includes a conical groove and a threaded orifice formed on the conical groove, and the conical groove has a toothed slot. The rotary plate includes a post corresponding to the conical groove and the toothed slot, the rotary plate also includes an extending fringe extending outwardly from an outer side thereof to contact with a peripheral side of the fixing mount disc, wherein the post has two recesses, each recess extends outwardly from each of two sides of the post to accommodate each of two slidable retainers, and each slidable retainer is pushed by a spring and has a locking tab for retaining with the toothed slot. 1. A rotating device for an armrest being connected with a fixing mount disc on a top surface of an armrest seat and being rotatably coupled with a rotary plate on a bottom surface of the support plate , whereinthe fixing mount disc includes a conical groove defined on a top surface thereof and includes a threaded orifice formed on a central position of the conical groove, and the conical groove has a toothed slot defined around an outer rim thereof;the rotary plate includes a post corresponding to the conical groove and the toothed slot, the rotary plate also includes an extending fringe extending outwardly from an outer side thereof to contact with a peripheral side of the fixing mount disc, wherein the post has two recesses, each recess extends outwardly from each of two sides of the post to accommodate each of two slidable retainers, and each slidable retainer is pushed by a spring and has a locking tab for retaining with the toothed slot.2. The rotating device for the armrest as claimed in claim 1 , wherein the post also has two notches claim 1 , and each notch is defined on each of the two sides of the post to accommodate each of two ...

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12-01-2017 дата публикации

ARMREST EXPANSION DEVICE

Номер: US20170007025A1
Автор: NEGUSSE Isaac
Принадлежит:

An armrest expansion device. The armrest expansion device can include two or more planar housings and couplings for reversibly coupling the device to a pre-existing armrest, for example a commercial passenger vehicle's armrest, or any other desired armrest. At least one of the planar housings may extend the useable area available as an armrest. Further, the armrest expansion device may additionally increase the effective height of the pre-existing armrest. 1. An armrest expansion device , comprising:a middle planar housing;a near-side planar housing coupled to the middle planar housing;a far-side planar housing coupled to the middle planar housing; andone or more axles that facilitate moving at least one of the near-side planar housing and the far-side planar housing between an open position substantially perpendicular to the middle planar housing, and a closed position substantially parallel to the middle planar housing;a coupling for reversibly coupling said armrest expansion device to a pre-existing armrest;wherein the middle planar housing position, relative to a horizontal distance from the one or more axles, is adjustable with respect to the pre-existing armrest on which the middle planar housing is disposed, by two new armrests formed by deploying the middle planar housing, the near-side planar housing, and the far-side planar housing.2. The armrest expansion device of claim 1 , wherein the coupling reversibly couples the armrest expansion device to a bottom portion of the pre-existing armrest.3. The armrest expansion device of claim 1 , wherein the at least one of the near-side planar housing and the far-side planar housing is deployed in an open position while the other of the near-side planar housing and the far-side planar housing is in a closed position.4. The armrest expansion device of claim 1 , wherein the far-side planar housing is substantially larger than the near-side planar housing.5. The armrest expansion device of claim 1 , wherein the at least ...

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14-01-2016 дата публикации

Lightweight Adirondack Chair

Номер: US20160007755A1
Принадлежит: ADAMS MFG. CORP.

A lightweight molded plastic Adirondack chair has front legs which each have an inner side wall that slopes inward. A pair of side walls each extends from and along a front leg, along the side edge of the seat and along a rear leg. The side walls vary in height along their length and are tallest adjacent a transition from the side edge of the seat to the rear leg. A front slat extends from the front edge of the seat and between the front legs forming an arch with the front legs. An arm support extends from each front leg to the front of the arm above that leg. The arm supports extend forward relative to the seat. These structural features improve the strength of the chair such that most portions of the chair can be thinner resulting is a chair that weighs less than 6 pounds. 1. An Adirondack chair composed of a polymeric material comprising:a seat having a front edge, a back edge, the back edge being narrower than the front edge, a first side edge and a second side edge;a back attached to the seat;a left front leg and a right front leg, each leg attached to the seat adjacent to the front edge of the seat;a left back leg and a right back leg, each leg attached to the seat adjacent the rear edge of the seat;a left side wall extending along at least a portion of the left front leg, along the first side edge of the seat and along at least a portion of the left rear leg, the left side wall varying in height along its length and being tallest adjacent a transition from the first side edge of the seat to the left rear leg;a right side wall extending along at least a portion of the right front leg, along the second side edge of the seat and along at least a portion of the right rear leg, the right side wall varying in height along its length and being taller adjacent a transition from the second side edge of the seat to the right rear leg;a left arm extending from the back toward the front edge of the seat;a left arm support having one end attached to the left arm and an ...

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09-01-2020 дата публикации

MOTORIZED CHAIR ASSEMBLY

Номер: US20200008581A1
Автор: Jones Marshea
Принадлежит:

A motorized chair assembly for reducing floor space occupied by a reclining chair includes a chair that has a seat portion, a backrest portion and a pair of armrests. A foot rest is slidably coupled to the seat portion of the chair. The foot rest is positionable in a deployed position having the foot rest extending forwardly from the seat portion and being oriented parallel to ground for resting feet thereon. The foot rest is positionable in a stored position having the foot rest being retracted within the seat portion. A panel is hingedly coupled to the foot rest. The panel is positionable at a selected angle with respect to the foot rest when the foot rest is deployed wherein the panel is configured to have feet rested thereon. 1. A motorized chair assembly having a footrest being extendable outwardly and retractable inwardly , said assembly comprising:a chair having a seat portion, a backrest portion and a pair of armrests;a foot rest being slidably coupled to said seat portion of said chair, said foot rest being positionable in a deployed position having said foot rest extending forwardly from said seat portion and being oriented parallel to ground wherein said foot rest is configured to have feet rested thereon, said foot rest being positionable in a stored position having said foot rest being retracted within said seat portion;a first actuator being coupled to said foot rest for urging said foot rest between said deployed position and said stored position;a panel being hingedly coupled to said foot rest, said panel being positionable at a selected angle with respect to said foot rest when said foot rest is deployed wherein said panel is configured to have feet rested thereon;a second actuator being coupled to said panel for urging said panel into said selected angle;a control circuit being coupled to said chair, each of said first and second actuators being electrically coupled thereto;a control being coupled to said chair, said control being electrically ...

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09-01-2020 дата публикации

Fastenerless Arm Pad Attachment Mechanism

Номер: US20200008582A1
Принадлежит:

A chair can include armrest apparatuses. Each of the armrest apparatuses can be configured so an arm pad is connectable to an armrest without the use of a mechanical fastener (e.g. a screw, a bolt, etc.) and without the use of an adhesive or welding, and without the use of mechanical tools (e.g. screw driver, hammer, etc.) by use of interlocking mating profiles defined in the structure of the arm pad and structure of the armrest to which the arm pad is attached. Embodiments of the chair can be configured as a side chair, task chair, or other type of chair having at least one armrest or other type of armrest apparatus. 120-. (canceled)21. An armrest apparatus for a chair comprising:an arm pad having a bottom, a wall projecting from a surface of the bottom to define an inner aperture, the wall defining spaced apart recesses that each have an opening mouth that faces into the inner aperture;an arm pad support plate, the arm pad support plate having a wall that at least partially defines an inner cavity, the wall having a plurality of projections extending away from the wall, the projections being resilient, each of the projections sized and shaped to be matingly and interlockingly received within a respective one of the recesses of the wall of the arm pad for fastenerless connection of the arm pad to the arm pad support plate; andwherein the arm pad support plate has a plurality of columns positioned in the inner cavity.22. The armrest apparatus of claim 21 , wherein a top of each of the columns is positioned above a top of the wall of the arm pad support plate.23. The armrest apparatus of claim 21 , wherein the arm pad has a plurality of projections extending from the bottom of the arm pad claim 21 , each of the projections configured to extend into a hole of a respective column.24. The armrest apparatus of claim 23 , wherein each of the projections that extend from the bottom of the arm pad is configured to resiliently deform for insertion into the hole of the column ...

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19-01-2017 дата публикации

STOOLS, CHAIRS, AND METHODS USING THE SAME

Номер: US20170013960A1
Принадлежит:

An apparatus that supports a user in a variety of positions to comfortably perform tasks, such as applying one or more tattoos to skin of a subject is herein disclosed. The apparatus can be reconfigured to optimally position and support the arms and/or chest of the user. A method for using a stool can involve rotating armrests of the apparatus from a stowed position to a deployed position. The armrests can support the user's forearms while supporting the user's chest such that the user can comfortably perform tasks in front of a chest support of the stool. 1. A stool , comprising:a seat assembly; and ["a chest support having a front side and a backside, wherein the backside of the chest support is configured to support a chest of a user sitting on the seat assembly and straddling the chest support while allowing movement of the user's arms on the front side of the chest support to move freely on the front side of the chest support, and", "at least one armrest movable between a stowed position for supporting the user's chest contacting the backside of the chest support and a deployed position for supporting the user's arm, wherein the at least one armrest, in the deployed position, extends away from the chest support such that a portion of the at least one armrest located on the front side of the chest support is positioned to support the user's forearm while the user sits on the seat assembly and the user's chest contacts the backside of the chest support."], 'a chest support assembly coupled to the seat assembly, the chest support assembly including2. The stool of claim 1 , whereinthe seat assembly includes a seat and a plurality of wheels configured to roll along a support surface;the chest support assembly is configured to be straddled by the user; andthe at least one armrest is rotatably coupled to the chest support, wherein the at least one armrest, in the deployed position, extends away from the user's torso when the user's chest contacts the backside of the ...

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18-01-2018 дата публикации

FOOT REST STAND

Номер: US20180014652A1
Автор: Hulme Matt William
Принадлежит:

A furniture item for suspending a user's feet comprises a suspended foot rest. The foot rest comprises a first attachment portion at a first end of the suspended foot rest and a second attachment portion at a physically opposite second end of the suspended foot rest. The first attachment portion comprises a first structural attachment member that is attached to a first pillar. The second attachment portion comprises a second structural attachment member that is attached to a second pillar. The first pillar extends upward to a first elevated portion that extends above a floor. The first elevated portion is attached to the first structural attachment. The second pillar extends upward to a second elevated portion that extends above the floor. The second elevated portion is attached to the second structural attachment. The suspended foot rest is suspended between the first pillar and the second pillar.

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16-01-2020 дата публикации

SEATING AND/OR LOUNGING FURNITURE

Номер: US20200015596A1
Автор: Carrera Massimo
Принадлежит:

A seating and/or lounging furniture includes: a seat frame; an extendable footrest; a footrest frame, which is displaceable on the seat frame, and on the front end of which the footrest is held movably, pivotable around a pivot axis; at least one drive for displacement of the footrest frame along a displacement distance relative to the seat frame; and at least one operating rod for swinging the footrest in and out, around the pivot axis, wherein the operating rod is connected at one end to the footrest, while the other end of the operating rod is connected to the seat frame by means of a hinge mechanism, so that displacement of the footrest frame over at least 60%, preferably over at least 80%, and extremely preferably over at least 90% of the displacement distance causes a simultaneous pivoting movement of the footrest about the pivot axis. 1. A seating and/or lounging furniture , comprising{'b': '7', 'a seat frame (),'}{'b': '4', 'an extendable footrest (),'}{'b': 6', '7', '4', '6, 'a footrest frame (), which is displaceable on the seat frame () and on the front end of which the footrest () is held movably, pivotable around a pivot axis (),'}{'b': 11', '6', '7, 'at least one drive () for displacement of the footrest frame () along a displacement distance relative to the seat frame (), and'}{'b': 14', '4', '13', '14', '4, 'at least one operating rod () for swinging the footrest () out and in around the pivot axis (), wherein the operating rod () is connected at one end to the footrest (),'}{'b': 14', '7', '16', '6', '4', '13, 'characterized in that the other end of the operating rod () is connected to the seat frame () by means of a hinge mechanism (), so that a displacement of the footrest frame () over at least 60%, preferably over at least 80%, and extremely preferably over at least 90% of the displacement distance causes a simultaneous pivoting movement of the footrest () about the pivot axis ().'}26. The seating and/or lounging furniture according to claim 1 , ...

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16-01-2020 дата публикации

SURGICAL ROBOTIC SYSTEM HAVING ANTHROPOMETRY-BASED USER CONSOLE

Номер: US20200015598A1
Принадлежит:

Surgical robotic systems including a user console for controlling a robotic arm or a surgical robotic tool are described. The user console includes components designed to automatically adapt to anthropometric characteristics of a user. A processor of the surgical robotic system is configured to receive anthropometric inputs corresponding to the anthropometric characteristics and to generate an initial console configuration of the user console based on the inputs using a machine learning model. Actuators automatically adjust a seat, a display, or one or more pedals of the user console to the initial console configuration. The initial console configuration establishes a comfortable relative position between the user and the console components. Other embodiments are described and claimed. 1. A user console system of a surgical robot , comprising: process an input comprising one or more known anthropometric parameters of a user,', 'generate an extended set of anthropometric parameters of the user based on the input using a first regression model, and', 'generate an initial configuration of the user console based on the extended set of anthropometric parameters using a second regression model; and, 'a processor configured toone or more actuators coupled to the processor, configured to automatically actuate the user console to the initial configuration for the user.2. The user console system of claim 1 , further comprising a seat claim 1 , a display claim 1 , and one or more pedals.3. The user console system of claim 2 , wherein the initial configuration of the user console is represented by one or more parameters including a seat translation claim 2 , a seat lift claim 2 , a seat tilt claim 2 , a seat recline claim 2 , a display translation claim 2 , a display lift claim 2 , a display tilt claim 2 , a pedal translation claim 2 , or a pedal tilt.4. The user console system of claim 1 , wherein the one or more known anthropometric parameters include a height claim 1 , a ...

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28-01-2016 дата публикации

Flexible Substrate Assembly and Associated Furniture Using the Same

Номер: US20160022044A1
Автор: Blair Bill, Leonard Jim
Принадлежит:

A novel, flexible substrate assembly including a flexible substrate member having an inner surface and an outer surface, and a plurality of rigid or semi-rigid ribs associated with at least one of the inner and outer surfaces of the flexible substrate member. 1. A flexible substrate assembly , comprising:a flexible substrate member having an inner surface and an outer surface; anda plurality of rigid or semi-rigid ribs associated with at least one of the inner and outer surfaces of the flexible substrate member.2. The flexible substrate assembly according to claim 1 , wherein the ribs comprise ball ribs.3. The flexible substrate assembly according to claim 1 , wherein the ribs comprise half-ball bottom ribs.4. The flexible substrate assembly according to claim 1 , wherein the ribs comprise half-ball top ribs.5. The flexible substrate assembly according to claim 1 , wherein the ribs comprise hook ribs.6. The flexible substrate assembly according to claim 1 , wherein the ribs comprise block ribs.7. The flexible substrate assembly according to claim 1 , wherein the ribs comprise slide ribs.8. The flexible substrate assembly according to claim 1 , wherein the ribs comprise pin ribs.9. The flexible substrate assembly according to claim 1 , wherein the ribs comprise at least one of ball ribs claim 1 , half-ball bottom ribs claim 1 , half-ball top ribs claim 1 , hook ribs claim 1 , block ribs claim 1 , slide ribs claim 1 , pin ribs claim 1 , and combinations thereof.10. A chair assembly claim 1 , comprising:a seat member, a back support member with an optional headrest, an optional left arm, an optional right arm, a floor-engaging base member which may form part of a frame assembly, a left side, a right side, a front side, and a back side; anda flexible substrate assembly, wherein the flexible substrate assembly comprises a flexible substrate member having an inner surface and an outer surface;and a plurality of rigid or semi-rigid ribs associated with at least one of the ...

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28-01-2016 дата публикации

ARMREST

Номер: US20160022046A1
Принадлежит:

An armrest comprises an arm body in which a through hole is formed, an arm connected to the arm body, a drum that includes a cylinder inserted in the through hole, a bottom, and planar walls extending outside from a part of an end of the cylinder, is arranged rearward the arm body, and pivots the arm body about the cylinder; and mounting metal fittings that are integrally connected to the drum while locking the bottom and can be mounted on the seat frame. The armrest can adjust a position of the arm at a storage state and at a use state. The planar walls are arranged in such a manner as to position in a front-and-rear direction of the arm body in the use state, and the arm body is sandwiched between the planar walls and the mounting metal fittings in an axial direction of the cylinder. 1. An armrest that is used while being fixed on a seat frame through a fastening bolt , the armrest comprising:an arm body in which a first through hole is formed;an arm connected to the arm body;a drum that includes a cylinder inserted in the first through hole, a bottom, and circular arc planar walls extending outside from a part of an end of the cylinder, is arranged rearward the arm body, and pivots the arm body about the cylinder;mounting metal fittings that are integrally connected to the drum while locking the bottom and can be mounted on the seat frame; andan adjustment mechanism for adjusting a position of the arm at a storage state in which a front of the arm has pivoted upward and at a use state in which the front of the arm has pivoted downward,wherein the planar walls each have an outer diameter having a size of 10% or more of a length of the arm and a width three times or more as large as a plate thickness of the drum, the planar walls are arranged in such a manner as to position in a front-and-rear direction of the arm body in the use state, and the arm body is sandwiched between the planar walls and the mounting metal fittings in an axial direction of the cylinder.2. ...

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28-01-2016 дата публикации

Chair having a reminder function

Номер: US20160022047A1
Автор: Yao-Chuan Wu
Принадлежит: Individual

A chair having a reminder function comprises a chair body, a reminder, and a sitting posture determining device, wherein the chair body has a seat and a backrest, wherein the sitting posture determining device has a seat detector, a backrest detector, and a microcontroller. The seat detector is mounted in the seat for detecting whether a user is sitting on the seat or not; the backrest detector is mounted in the backrest for detecting whether the user is leaning against the backrest; the microcontroller is electrically connected to the seat detector, the backrest detector and the reminder, and determines whether to actuate the reminder to generate a reminding notification based on the detecting result of the seat detector and the backrest detector for reminding the user to adjust the sitting posture or timely move the body.

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22-01-2015 дата публикации

FOLDABLE LEG REST

Номер: US20150021969A1
Принадлежит:

A foldable leg rest has a seat, a first folding frame and a first stage drive mechanism. The first folding frame is pivotally connected to the seat. The first stage drive mechanism includes two angle adjusters, two first stage DC motors and a drive rod. Each of the angle adjusters is disposed between one of opposite sides of the seat and one of opposite sides of the first folding frame. The first stage DC motors are respectively disposed on the sides of the seat. The drive rod is connected between the angle adjusters. In use, the first stage DC motors are actuated to drive the drive rod and the angle adjusters such that the first folding frame is pivoted relative to the seat. 1. A foldable leg rest comprising:a seat including a front end;a first folding frame including a rear end and a bottom surface, and two opposite sides of the rear end of the first folding frame pivotally connected to two opposite sides of the front end of the seat; and [ [ a fixed part secured to the seat; and', 'a mounting plate;, 'a retaining member having, 'an angle adjustment plate mounted on the mounting plate of the retaining member; and', 'a pivot member secured to the angle adjustment plate and the bottom surface of the first folding frame;, 'two angle adjusters, each angle adjuster disposed between one of the sides of the front end of the seat and one of the sides of the rear end of the first folding frame, and each angle adjuster having, 'a drive rod connected between the two angle adjusters; and', 'two first stage DC motors respectively disposed on the sides of the front end of the seat adjacent to the angle adjusters, and the first stage DC motors actuated to rotate the drive rod and thus drive the angle adjustment plates and the pivot members of the angle adjusters such that the first folding frame can be pivoted relative to the seat., 'a first stage drive mechanism mounted between the seat and the first folding frame and including2. The foldable leg rest as claimed in claim 1 , ...

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26-01-2017 дата публикации

MECHANISM FOR AN OFFICE CHAIR

Номер: US20170020290A1
Автор: Bock Hermann
Принадлежит:

A mechanism for an office chair has a base support which is placeable on a chair column. A seat support is arranged on the base support and is movable relative to the base support. A backrest support is coupled with the seat support. Pivoting the backrest causes the seat support to move relative to the base support. An alternative solution for adjusting the tilting resistance of the seat support of an office chair is provided where the tilting resistance of the seat support is influenced by the pivoting resistance of the backrest support. 1. A mechanism for an office chair , comprising:a base support to be placed on a chair column;a seat support connected to said base support and movable relative to said base support;a backrest support connected to said base support and to said seat support and movable relative to said base support, wherein a pivoting of said backrest support causes said seat support to move relative to said base support, anda spring arrangement disposed to act between said backrest support and said seat support for determining a pivoting resistance of said backrest support;said backrest support being pivotable relative to said base support against a spring force of said spring arrangement;said seat support being tiltable relative to said base support against the spring force of said spring arrangement, and said spring arrangement determining a tilting resistance of said seat support.2. The mechanism according to claim 1 , wherein the spring force of said spring arrangement is adjustable claim 1 , rendering the pivoting resistance of said backrest support and the tilting resistance of said seat support modifiable.3. The mechanism according to claim 1 , which comprises a coupling element disposed to movably connect said base support and said seat support.4. The mechanism according to claim 3 , wherein: on a rear end of said seat support, thereby defining a first seat support pivot axis which extends transversely with respect to a seat longitudinal ...

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25-01-2018 дата публикации

Armrest Assembly for a Chair

Номер: US20180020834A1
Принадлежит:

An armrest assembly includes a mounting plate disposed on a support column and having an elongated moving slot for a first pivot shaft to movably extend therethrough, an armrest plate having a sliding slot elongated transverse to the moving slot such that the first and second pivot shafts extend through and are slidable along the sliding slot to allow the armrest plate to be horizontally movable and turnable relative to the mounting plate, and a retaining unit disposed to produce a magnetically attractive force that generates resistance against a relative movement of the armrest plate to the mounting plate. 1. An armrest assembly comprising:a support column;a mounting plate disposed on said support column, and having a first moving slot which is elongated in a first direction;a pivotal unit including first and second pivot shafts which are aligned with each other in a second direction that is transverse to the first direction, said first pivot shaft extending through said first moving slot and movable relative to said mounting plate in the first direction, said second pivot shaft being disposed on said mounting plate;an armrest plate having a sliding slot which is elongated in the second direction and through which said first and second pivot shafts extend to be slidable in the second direction so as to permit said armrest plate to be movable relative to said mounting plate in the second direction and to be turnable about said second pivot shaft; anda retaining unit including at least one retaining module which is mounted on said pivotal unit, and a retaining plate which is disposed adjacent to said retaining module and which is configured to cooperate with said retaining module to produce a magnetically attractive force that generates resistance against a relative movement between said retaining module and said retaining plate to resist a movement of said armrest plate relative to said mounting plate.2. The armrest assembly as claimed in claim 1 , wherein said ...

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10-02-2022 дата публикации

FOOTREST EXTENSION DEVICE, FRAME AND CHAIR HAVING THE SAME

Номер: US20220039558A1
Автор: ZHANG Xiaozhao
Принадлежит:

A footrest extension device for a chair includes eight connecting rods: a first connecting rod is connected to a main frame, and pivotally connected to a second connecting rod and a third connecting rod, respectively; the second connecting rod is connected to the main frame, and pivotally connected to a fourth connecting rod; the third connecting rod is pivotally connected to the fourth connecting rod, a sixth connecting rod and a eighth connecting rod, respectively; a fifth connecting rod is pivotally connected to the fourth connecting rod and the sixth connecting rod, respectively; the sixth connecting rod is pivotally connected to a seventh connecting rod; the seventh connecting rod is pivotally connected to the eighth connecting rod; and the second connecting rod, driven by a driving device, drives the other connecting rods to move, so the footrest extension device is folded or extended. 1. A footrest extension device , comprising a first connecting rod , a second connecting rod , a third connecting rod , a fourth connecting rod , a fifth connecting rod , a sixth connecting rod , a seventh connecting rod and an eighth connecting rod , whereinthe first connecting rod is connected to a main frame, and pivotally connected to the second connecting rod and the third connecting rod, respectively;the second connecting rod is connected to the main frame, and pivotally connected to the fourth connecting rod;the third connecting rod is pivotally connected to the fourth connecting rod, the sixth connecting rod and the eighth connecting rod, respectively;the fifth connecting rod is pivotally connected to the fourth connecting rod and the sixth connecting rod, respectively;the sixth connecting rod is pivotally connected to the seventh connecting rod;the seventh connecting rod is pivotally connected to the eighth connecting rod;the second connecting rod, driven by a driving device, is able to drive the first connecting rod, the third connecting rod, the fourth connecting rod, ...

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26-01-2017 дата публикации

Walking aid attachment and leg support apparatus

Номер: US20170023174A1
Автор: Wesley Harmon
Принадлежит: Individual

This invention relates to leg supports that can be easily mounted and removed from a suitable frame, such as walking aids, chairs or table legs, positioned at a height on said frame chosen by a user where said leg support can be easily deployed or stowed at the discretion of a user.

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29-01-2015 дата публикации

FURNITURE MEMBER WITH CENTER SUPPORT LEG REST

Номер: US20150028646A1
Автор: LaPointe Larry P.
Принадлежит: La-Z-Boy Incorporated

A furniture member leg rest assembly includes a leg rest mechanism connected to a furniture member base frame. A leg rest mount board is connected to the leg rest mechanism and is extensible by actuation of the leg rest mechanism away from a stowed position by movement in a direction coincident with a lateral centerline of the furniture member to a fully extended and a center position of the leg rest mount board. A pin rotatably connects the leg rest mechanism to the base frame such that the leg rest mount board when positioned in the fully extended and the center position is further manually rotatable with respect to a leg rest axis of rotation defined by the pin in at least one of a clockwise or a counterclockwise direction of rotation creating a furniture member occupant egress space. 1. A furniture member leg rest assembly , comprising:a leg rest assembly connected to a base frame of a furniture member and extensible away from a stowed position by movement in a direction coincident with a lateral centerline of the furniture member to a fully extended and a center position of the leg rest assembly; anda pin rotatably connecting the leg rest assembly to the base frame such that the leg rest assembly when positioned in the fully extended and the center position is further manually rotatable with respect to a leg rest axis of rotation defined by the pin in at least one of a clockwise or a counterclockwise direction of rotation thereby creating a furniture member occupant egress space while the leg rest assembly is positioned in the fully extended position.2. The furniture member leg rest assembly of claim 1 , further including a leg rest mechanism connected to the furniture member base frame having the pin connected to a mechanism housing of the leg rest mechanism.3. The furniture member leg rest assembly of claim 2 , wherein the leg rest mechanism further includes an electric motor acting when energized to displace a leg drive tube claim 2 , the leg rest assembly ...

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29-01-2015 дата публикации

COVERED LEG REST LINKAGE FOR FURNITURE MEMBER

Номер: US20150028647A1
Автор: LaPointe Larry P.
Принадлежит: La-Z-Boy Incorporated

A furniture member includes a leg rest assembly connected to a base frame of a furniture member and extensible away from a stowed position by movement in a direction coincident with a lateral centerline of the furniture member to a fully extended position. A leg rest mechanism is connected to the base frame and the leg rest assembly. A linkage assembly includes a first clamshell housing rotatably connected to the leg rest mechanism having a first extension link also rotatably connected to the leg rest mechanism positioned within the first clamshell housing. A second clamshell housing is rotatably connected to the first clamshell housing and to a leg rest mount board of the leg rest assembly having a first mount board link positioned within the second clamshell housing also rotatably connected to the first clamshell housing and to the leg rest mount board. 1. A furniture member leg rest assembly , comprising:a leg rest assembly connected to a base frame of a furniture member and extensible away from a stowed position by movement in a direction coincident with a lateral centerline of the furniture member to a fully extended position of the leg rest assembly;a leg rest mechanism connected to the base frame and the leg rest assembly; and a first clamshell housing rotatably connected to the leg rest mechanism; and', 'a second clamshell housing rotatably connected to the first clamshell housing and to a leg rest mount board of the leg rest assembly., 'a linkage assembly, including2. The furniture member leg rest assembly of claim 1 , wherein the leg rest mechanism further includes a motor operated to linearly extend and retract a leg rest drive tube.3. The furniture member leg rest assembly of claim 2 , wherein the leg rest mechanism further includes an engagement plate fixedly connected to the first and second clamshell housings and rotated by extension of the leg rest drive tube.4. The furniture member leg rest assembly of claim 1 , further including:a first support ...

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02-02-2017 дата публикации

ARMREST INTERVAL ADJUSTMENT STRUCTURE FOR A CHAIR

Номер: US20170027329A1
Автор: Su Chih-Cheng
Принадлежит:

A mechanism fixed under a cushion for adjusting an interval of two armrests is disclosed. The invention includes a base, an armrest support and a handle set. The base is a hollow body with a channel and has an elastic block with a central through hole. The armrest support has a connecting section slidably penetrating the channel. The connecting section is formed with a longitudinal through hole corresponding to the central through hole in position. The handle set is fixed under the base and includes a handle with a fixing bar and an opening; a presser received in the opening and has a fixing hole corresponding to the central through hole in position and an engagement trench for engaging with the fixing bar; and a bolt passing through the fixing hole, longitudinal hole and central through hole, and screwed with a nut to fasten the handle to the base. 1. An armrest interval adjustment structure for a chair , comprising:a base, being a hollow body with a channel, having an elastic block with a central through hole;an armrest support, having a connecting section slidably penetrating the channel, and the connecting section being formed with a longitudinal through hole corresponding to the central through hole in position; and a handle, an end thereof being formed with a fixing bar, having an opening;', 'a presser, received in the opening, having a fixing hole corresponding to the central through hole in position and an engagement trench for engaging with the fixing bar so as to make the handle rotatable; and', 'a bolt, passing through the fixing hole, the longitudinal hole, and the central through hole, and screwed with a nut to fasten the handle to the base, wherein the elastic block is pressed by the connecting section by means of tightening the bolt and the nut., 'a handle set, fixed under the base, comprising2. The armrest interval adjustment structure of claim 1 , wherein an upper side and a lower side of the connecting section are separately formed with two troughs ...

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31-01-2019 дата публикации

ARM REST FOR A PIECE OF SEATING FURNITURE

Номер: US20190029427A1
Автор: EYSING Volker
Принадлежит: Interstuhl Bueromoebel GmbH & Co. KG

An arm rest for a piece of seating furniture, in particular for an office chair, has an arm rest support and an arm support which is movable relative thereto, wherein an elastic return element is provided and the arm support is movable relative to the arm rest support against the restoring force of the return element. 1. An arm rest for a piece of seating furniture , in particular for an office chair , comprising:an arm rest support,an arm support connected to the arm rest support and which is movable relative thereto, andan elastic return element connected to the arm rest support and to the arm support,wherein the arm support is movable relative to the arm rest support against a restoring force of the return element.2. The arm rest as claimed in claim 1 , wherein the return element is designed as an elastomer claim 1 , as a spring element claim 1 , as a leg spring claim 1 , or as a torsion bar.3. The arm rest as claimed in claim 1 , further comprising a first stop configured for limiting the movement of the arm support relative to the arm rest support in a first direction.4. The arm rest as claimed in claim 3 , further comprising a second stop that is configured for limiting the movement of the arm support relative to the arm rest support in a second direction.5. The arm rest as claimed in claim 1 , wherein the arm support is pivotable about a horizontal axis of rotation relative to the arm rest support.6. The arm rest as claimed in claim 5 , wherein the arm support is connected to the arm rest support so as to be pivotable about a fixed horizontal axis of rotation.7. The arm rest as claimed in claim 5 , wherein a longitudinal axis of the return element is oriented transversely to the horizontal axis of rotation.8. The arm rest as claimed in claim 1 , wherein a pivot range of the arm support relative to the arm rest support is less than 25°.9. The arm rest as claimed in claim 1 , wherein the arm support and the arm rest support are connected to each other in ...

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31-01-2019 дата публикации

OFFICE SEAT

Номер: US20190029428A1
Принадлежит:

An office seat is disclosed. The office seat includes a seat body; an adjustment mechanism for adjusting a sitting posture of a user by adjusting a state of the seat body, and the adjustment mechanism being provided on the seat body; an image capture device for detecting the contour of the user's body; a controller, the controller being connected to the adjustment mechanism and the image capture device, respectively, and controlling the adjustment mechanism to adjust the seat body according to the detection result of the image capture device. In certain embodiments the office seat may be able to adjust the user's sitting posture, protect the user's physical health, be comfortable in use. 1. A seat comprising:a seat body;an adjustment mechanism for adjusting a sitting posture of a user by adjusting a state of the seat body, and the adjustment mechanism being provided on the seat body;an image capture device for detecting a contour of the user's body;a controller, the controller being connected to the adjustment mechanism and the image capture device, respectively, and controlling the adjustment mechanism to adjust the seat body according to a detection result of the image capture device.2. The seat according to claim 1 , wherein the seat body comprises a backrest claim 1 , a bottom plate and an armrest claim 1 , and the adjustment mechanism adjusts at least one of a height of the seat body claim 1 , an angle of the backrest claim 1 , and a height of the armrest.3. The seat according to claim 2 , wherein the controller controls the adjustment mechanism to adjust the height of the seat body according to an angle of a user's lower jaw line and a vertical or horizontal direction detected by the image capture device.4. The seat according to claim 3 , wherein the controller controls the adjustment mechanism to raise the height of the seat body when the angle between the user's lower jaw line and the vertical direction detected by the image capture device is greater than a ...

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30-01-2020 дата публикации

Corner Chair Assembly

Номер: US20200029697A1
Автор: Butler, JR. Theodore R.
Принадлежит:

A corner chair assembly for seating and cooling a competitor includes a frame that is coupled to an enclosure of a competition ring. A power module and an actuator are coupled to the frame. A fan it coupled to a first plate, which is coupled to and extends between a first side and a second side, proximate to a top, of the frame. The actuator and the fan are operationally coupled to the power module. A second plate is hingedly coupled to a lower edge of the first plate. The actuator is configured to selectively urge the second plate from a stowed configuration, wherein the second plate is positioned coplanarly with the first plate, to a deployed configuration, wherein the second plate extends substantially perpendicularly from the first plate. The second plate is configured to seat a competitor, positioning the fan to blow air onto the competitor. 1. A corner chair assembly comprising:a frame coupled to an enclosure of a competition ring;a power module coupled to said frame;a first plate coupled to and extending between a first side and a second side of said frame proximate to a top of said frame, said first plate being padded;a second plate having an inner edge hingedly coupled to a lower edge of said first plate, said second plate being padded;an actuator operationally coupled to said power module, said actuator being coupled to said frame and said second plate wherein said actuator is configured for selectively urging said second plate from a stowed configuration wherein said second plate is positioned coplanarly with said first plate to a deployed configuration wherein said second plate extends substantially perpendicularly from a forward face of said first plate such that said second plate is configured for seating a competitor positioning said first plate for supporting a back of the competitor; anda fan operationally coupled to said power module, said fan being coupled to said first plate wherein said fan is configured for blowing air onto the competitor for ...

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04-02-2021 дата публикации

Armrest

Номер: US20210030157A1

An armrest according to the technology described herein includes a bracket, an armrest body, a device connecting port, an armrest-side connector, and a cable. The bracket is fixed to a seat frame. The armrest body is attached to the bracket to be rotatable. The device connecting port is exposed through an outer surface of the armrest body. The armrest-side connector is fixed to the seat frame at a position different from the bracket. The cable includes an end connected to the device connecting port and an end connected to an armrest-side connector. The armrest body includes a cable retaining portion through which the cable is passed and in which the cable is retained. Any one of the bracket and the armrest body includes a hole (an elongated hole) that allows movement of the cable along with rotation of the armrest body.

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01-05-2014 дата публикации

ADJUSTABLE ARMREST FOR A SEATING UNIT

Номер: US20140117736A1
Принадлежит: L & P PROPERTY MANAGEMENT COMPANY

An armrest assembly is provided for adjusting an armrest of a seating unit in three degrees of motion. The armrest assembly includes an angle-adjustment mechanism that allows the armrest to pivot and to translate forward, and a lift mechanism that enables vertical articulation of the armrest. The angle-adjustment assembly includes a pivot bracket with a downwardly disposed pin and a shuttle with an arcuate slot to receive the pin. The arcuate slot includes contoured walls that form detents for restricting movement of the pin, thereby restraining rotation of the shuttle, with respect to the pivot bracket, to predefined angular positions. The lift mechanism includes a rack with ride element(s) extending therefrom and locking teeth, and a control bar with track(s). An upward manual actuation of the control bar causes the track to shift laterally and retract the locking teeth, via interaction between the track(s) and ride element(s), respectively. 1. An armrest assembly provided for a seating unit , the armrest assembly comprising:an armrest for supporting an arm of an occupant of the seating unit;a support mounted to the seating unit, wherein the support includes an interior surface;a mounting plate that is moveably coupled to the armrest; and (a) a support member that is fixedly attached to the mounting plate;', '(b) a control bar that is configured to shift upward and downward, under manual direction of the occupant, with respect to the support member; and', '(c) a rack having a series of locking teeth protruding outward therefrom, wherein the rack is slidably captured between the support member and the control bar., 'a lift mechanism for enabling vertical adjustment of the armrest, wherein the lift mechanism is telescopically mounted within the interior surface of the support, the lift mechanism comprising2. The armrest assembly of claim 1 , wherein the support comprises a substantially vertical section and a substantially horizontal section claim 1 , and wherein ...

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05-02-2015 дата публикации

Frameless Furniture Assembly

Номер: US20150035324A1
Принадлежит: II Daniel C. George, Matthew Jung

A frameless furniture assembly adapted to be converted between an unfilled configuration and a filled configuration including: an outer liner having an inner surface and an outer surface; a plurality of pieces of fill material, wherein the fill material is retained within the outer liner; and a container holder associated with the outer liner. The frameless furniture assembly is preferably adapted to support a human in a seated position.

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05-02-2015 дата публикации

RECLINABLE CHAIR

Номер: US20150035335A1
Автор: WENG Chi-San
Принадлежит:

A reclinable chair includes a seat frame, a backrest frame pivoted to the seat frame, and two armrest units, at least one of which includes a sleeve having a tubular body with an inner peripheral surface defining a passage, a core rod spaced from the inner peripheral surface by an annular gap and having a rear end pivoted to the backrest frame. A biasing member is disposed between a front end of the tubular body and a front end of the core rod. A positioning member is disposed in the sleeve, and includes two curved sections and an intermediate section. The positioning member is movable between loose and tight positions, where the intermediate section is not squeezed and is squeezed into the gap, respectively. 1. A reclinable chair comprising:a seat frame;a backrest frame pivoted to a rear side of said seat frame;two armrest units, at least one of which includes a sleeve, and a core rod that extends through said sleeve, that is movable in a front-rear direction relative to said sleeve and that has a rear end pivoted to said backrest frame, said sleeve including a tubular body surrounding said core rod and having an inner peripheral surface that defines a passage, said core rod extending through said passage and being spaced from said inner peripheral surface by an annular gap, said tubular body further having a through hole communicating with said passage, said at least one of said armrest units further including a biasing member disposed between a front end of said tubular body and a front end of said core rod; anda positioning member disposed in said sleeve and including an engaging portion disposed around said core rod and within said annular gap, said engaging portion including two curved sections, and an intermediate section connected between said curved sections, said engaging portion having a thickness that increases gradually from said curved sections to said intermediate section, said intermediate section protruding partially into said through hole, said ...

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04-02-2021 дата публикации

Armrest

Номер: US20210031660A1

An armrest includes a cable to be connected to a seat-side cable arranged on a seat, and a body member that is mountable on the seat and includes a routing section therein in which the cable is arranged. The cable includes an arranged portion that is arranged in the routing section and a connecting operation section that extends outside the routing section when being connected to the seat-side cable. The connecting operation section is arranged in the routing section when the body member is mounted on the seat.

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11-02-2016 дата публикации

SEAT FOR TRAINING LEGS

Номер: US20160037925A1
Автор: YEN MAO-YU
Принадлежит:

A seat for training legs contains: a frame and a sitting assembly mounted on the frame. A sliding unit is fixed between the frame and the sitting assembly and includes a sliding rack and a sliding block, the sliding rack includes a slidable rail arranged on an upper surface thereof and a fitting tube mounted on two sides of the frame, the sliding block is disposed on a back surface of the sitting assembly and connects with the slidable rail. A vertical moving unit is defined between the frame and a rear end of the sliding rack to drive the rear end of the sliding rack to move obliquely. A foot support is mounted on a front end of the frame to support user's feet. Thereby, the user's feet are placed on the foot support to exert force so that the sitting assembly slides to exercise the user's feet. 1. A seat for training legs comprising:a frame and a sitting assembly mounted on the frame; characterized in that:a sliding unit is fixed between the frame and the sitting assembly, and the sliding unit includes a sliding rack and a sliding block, the sliding rack includes a slidable rail arranged on an upper surface thereof and a fitting tube mounted on two sides of the frame, the sliding block is disposed on a back surface of the sitting assembly and connects with the slidable rail;a vertical moving unit is defined between the frame and a rear end of the sliding rack to drive the rear end of the sliding rack to move obliquely;a foot support is mounted on a front end of the frame to support user's feet.2. The seat for training the legs as claimed in claim 1 , wherein the sliding rack has two limiting portions mounted on two sides thereof claim 1 , and the sitting assembly also includes two stop columns extending outwardly from the back surface thereof to contact with the two limiting portions claim 1 , thus limiting a movement of the sitting assembly.3. The seat for training the legs as claimed in claim 1 , wherein the vertical moving unit includes a cylinder and a ...

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11-02-2016 дата публикации

Part with Adjustable Configuration for Realizing Armrests or Backrests for Seats

Номер: US20160037932A1
Автор: BINFARE FRANCESCO
Принадлежит:

The element with variable shape () is composed of a cushion (), having inside a fixed frame (), which involves a lower section () of said cushion () and two symmetrical movable frames (A), (B), hinged above said fixed frame () and aimed at involving an upper section () of the cushion (). 110-. (canceled)11: A system with variable shapes for defining backs , sides or armrests of sofas and armchairs , comprising:a cushion including an upholstery made of soft material and covered by a flexible covering;a fixed frame located inside the cushion and made integral, through a lower end, to a supporting structure of the sofa or armchair, the frame being vertically extended inside a lower section of the cushion and having substantially half a height of the cushion;at least two movable frames located inside the cushion in an upper section thereof, and standing above the lower section, each one of the movable frames being independently hinged at a top of the fixed frame about at least one pivot axis and being adapted to reach different positions, each one operable to obtain a predetermined configuration of at least one portion of the upper section of the cushion with respect to the lower section; anda movement control device operably associated with the pivot axis, the device being adapted to allow or to prevent rotation of the movable frames, so as to enable the movable frames to reach the different positions with respect to the fixed frame, or to lock the movable frames in the reached position, respectively.12: The system according to claim 11 , wherein the fixed frame comprises claim 11 , in the region of its upper portion claim 11 , a pair of symmetrically disposed are shaped portions claim 11 , adapted to define a V-shaped free area between them claim 11 , and in that the movable frames are hinged at the top of the arc shaped portions.13: The system according to claim 11 , wherein each of the movable frames extends so as to define an open annular profile close to a side of ...

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24-02-2022 дата публикации

Reclining armchair with lifting seat and extending footrest

Номер: US20220054334A1
Принадлежит: J&D Furniture LLC

An armchair comprising a seat chassis supported on a support chassis by a pair of support columns, a chair back structure pivotally attached to a rear end of the seat chassis and to the support chassis, and a leg support structure pivotally attached to a front end of the seat chassis and connected to a beam, wherein the beam is attached the chair back structure. A first actuating device is mounted to the chair back, where a protracting end of the first actuating device is connected to the seat chassis. The armchair further comprises a second actuating device mounted to the support chassis, a footrest connected to a protracting end of the second actuating device, a third actuating device attached to the seat chassis, and a seating structure connected to a protracting end of the third actuating device and mounted above the seat chassis, wherein the seating structure includes an operative position projecting upwards and forwards by the third actuating device at a tilting angle from the seat chassis.

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07-02-2019 дата публикации

Method and System for Footrest Stretching Device for Convertible Sofa Seating Unit

Номер: US20190038039A1
Принадлежит:

A footrest stretching device used for a convertible sofa including a left-side component and a right-side component; the left-side component and the right-side component are each provided with identical parts as follows: a mounting side-plate, a third foot lever and a fourth foot lever, with one end of the third foot lever and one end of the fourth foot lever being rotatably connected to the mounting side-plate; the footrest stretching device includes a first footrest connector connected to the other end of the third foot lever, and a second footrest connector connected to the other end of the fourth foot lever; an outer footrest mounting member is connected to the other end of the first footrest connector; a middle footrest mounting member is connected to the other end of the second footrest connector; a third footrest connector is rotatably connected onto the second footrest connector; a fourth footrest connector is connected onto the third footrest connector; an inner footrest mounting member is rotatably connected to the other end of the fourth footrest connector. 1. A footrest stretching device for a convertible sofa , comprising a left-side component and a right-side component , the left-side component and the right-side component being fixedly connected by a fixing member and each provided with identical parts as follows: a mounting side-plate , a third foot lever and a fourth foot lever , with one end of the third foot lever and one end of the fourth foot lever being rotatably connected to the mounting side-plate; the footrest stretching device including a first footrest connector connected to the other end of the third foot lever , and a second footrest connector connected to the other end of the fourth foot lever; wherein , an outer footrest mounting member is connected to the other end of the first footrest connector; a middle footrest mounting member is connected to the other end of the second footrest connector; a third footrest connector is rotatably ...

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06-02-2020 дата публикации

DEVICES FOR SUPPORTING A PATIENT'S EXTREMITIES

Номер: US20200037752A1
Принадлежит: Ghroov LLC

A device for supporting a person's extremities includes a first arm, a second arm pivotably coupled to the first arm, and an appendage support coupled to the first and second arms. The device is configurable in a use position, in which the appendage support is not parallel to at least one of the first and second arms while remaining coupled to the first and second arms. The device is also configurable in a collapsed position, in which the first and second arms and the appendage support are generally parallel to one another while remaining coupled to one another. 1. A device for supporting a person's extremities , the device comprising:a first arm;a second arm pivotably coupled to the first arm;an appendage support coupled to the first and second arms;wherein the device is configurable in a use position, in which the appendage support is not parallel to at least one of the first and second arms while remaining coupled to the first and second arms; andwherein the device is configurable in a collapsed position, in which the first and second arms and the appendage support are generally parallel to one another while remaining coupled to one another.2. The device of claim 1 , wherein the appendage support is pivotable with respect to the first and second arms claim 1 , and the appendage support and at least one of the first and second arms share a common pivot axis.3. The device of claim 1 , wherein when the device is in the collapsed position claim 1 , the appendage support lies immediately alongside at least one of the first and second arms.4. The device of claim 1 , further comprising a pivot rod coupled to the first arm claim 1 , the pivot rod extending through a channel formed in a rod-receiving end of the appendage support.5. The device of claim 4 , wherein the second arm comprises a wedge-shaped end configured to engage with the rod-receiving end of the appendage support.6. The device of claim 5 , wherein the rod-receiving end of the appendage support and the wedge ...

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18-02-2016 дата публикации

FOLDING SOFA

Номер: US20160045029A1
Принадлежит:

The present invention relates to a folding sofa, comprising a sofa body and support legs on both sides; the support leg is composed of movably, cross hinged front support rods and rear support rods, the front support rod is higher than the rear support rod, and the higher part forms a backrest section. The sofa body is made from a soft fabric through processing and forming, comprises an integrated seat cushion, armrest and backrest; where, the outer side of the backrest and armrest are respectively provided with a backrest cover and an armrest cover. The front and rear support rods directly support the sofa body, the seat cushion is lifted by the backrest and armrest for forming, is comfortable to sit, and forms the wide volume peculiar to sofa with the aid of the backrest cover and armrest cover. 1. A folding sofa , comprising a sofa body and support legs equivalent or symmetrical on both sides; the support leg is composed of movably cross hinged front support rods and rear support rods , the front support rod is higher than the rear support rod , and the higher part forms a backrest section; the front support rods on both sides are fixed with a front cross rod to become one , and the rear support rods are fixed with a rear cross rod to become one. The sofa body is made from a soft fabric through processing and forming , and comprises an integrated seat cushion , armrest and backrest. Its characteristics are that the outer side of the backrest and armrest are respectively provided with a backrest cover and an armrest cover , and the backrest covers on the backrest section with the aid of the backrest cover; the armrest covers on the upper end of the rear support rods with the aid the armrest cover , a horizontal reinforcing rib belt is arranged between the upper end of the rear support rods and front support rods , and the reinforcing rib belt is wrapped in the armrest cover. When the folding sofa is unfolded in place , the reinforcing rib belt is tightened up , ...

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18-02-2016 дата публикации

LINKAGE MECHANISM FOR HI-LEG SEATING UNIT

Номер: US20160045031A1
Автор: LAWSON GREGORY MARK
Принадлежит:

A linkage mechanism provides motion capabilities for various chair types. For example, a linkage mechanism includes a combination of links that facilitate ottoman extension/closing and backrest recline/incline. In addition a linkage mechanism includes a compact design that is usable with hi-leg style chairs having a relatively low seat height. 1. A linkage mechanism for a seating unit , the linkage mechanism comprising:a seat mounting plate having a seat-mounting surface onto which a seat is mountable;a rear ottoman link and front ottoman link attached to the seat mounting plate;a main ottoman link attached to the rear ottoman link and to a footrest bracket for supporting a first footrest;a second ottoman link attached to the front ottoman link and to the footrest bracket;a flipper control link attached to the second ottoman link; anda flipper ottoman bracket attached to the flipper control link and to the footrest bracket, wherein the flipper ottoman bracket includes a footrest mounting surface for supporting a second footrest and wherein the linkage mechanism is movable between a closed position and an extended position.2. The linkage mechanism of claim 1 , wherein claim 1 , in the closed position claim 1 , a distance between the footrest mounting surface and the seat mounting surface is about 3.625 inches.3. The linkage mechanism of further comprising:a base plate;a seat-adjustment assembly attached to the base plate and the seat mounting plate; anda leg attached to the base plate, wherein a distance between an end of the leg and the seat mounting surface is in a range of about 11 inches to about 12.5 inches.4. The linkage mechanism of claim 3 , wherein the leg includes a height in a range of about 5 inches and about 6 inches.5. A high-leg chair comprising:a front leg; and (1) a base plate attached to the front leg;', '(2) a seat-adjustment assembly attached to the base plate; and', '(3) a seat mounting plate that is attached to the seat-adjustment assembly and ...

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16-02-2017 дата публикации

Adjustable footrest assembly and car safety seat

Номер: US20170043682A1
Принадлежит: National Tsing Hua University NTHU

An adjustable footrest assembly adapted to a car safety seat is provided. The car safety seat includes a seat body. The adjustable footrest assembly includes a footrest and two flexible connection structures. The two flexible connection structures are connected to two ends of the footrest. The footrest is adapted to be connected to the seat body through the two flexible connection structures, and a length of each of the flexible connection structures is adapted to be adjusted to change a distance between the footrest and the seat body. In addition, a car safety seat having the adjustable footrest assembly is also provided.

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19-02-2015 дата публикации

Chair Base Assembly

Номер: US20150048223A1
Принадлежит:

A chair base assembly including a leg assembly, a seat support and a support column coupling the leg assembly to the seat support. Either one or both of the seat support and the leg assembly including an insert member that extends about a bore defined within each, configured to accept the support column. Such an insert member includes a winding that is outwardly deformable so as to be outwardly deformable. The insert member may include a winding of a substantially uniform wire-like member having a substantially uniform cross-sectional configuration so as to define a circular cross-section. 1. A chair base assembly comprising:a leg assembly having a central hub with a plurality of legs extending axially outwardly therefrom, the legs having a proximal end coupled to the central hub and a distal end spaced axially outwardly therefrom, the central hub defining a cylindrical wall having an upper end and a lower end, being inwardly tapered between the upper end and the lower end such that a cross-sectional configuration at the upper end is larger than a cross-sectional configuration of a portion of the cylindrical wall between the upper end and the lower end, the cylindrical wall having an inner surface with a channel positioned between the upper end and the lower end, with an insert member positioned within the channel, the insert member comprising a wound member configured to extend about the inner surface of the cylindrical wall at least a radial distance that is greater than half of the circumference of the inner wall, the insert member being outwardly deformable;a seat support configured to receive at least one of a seating surface and a back rest; anda support column having an upper end coupled to the seat support and a lower end coupled to the leg assembly.2. The chair base assembly of wherein the insert member defines a generally cylindrical winding having a first end and a second end claim 1 , the cylindrical winding extending at least about the circumference of ...

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13-02-2020 дата публикации

MASSAGE CHAIRS WITH LOCKING MECHANISMS

Номер: US20200046127A1
Принадлежит:

This disclosure relates to improved massage chairs. The massage chairs can include arms that are configured to transition between a closed position and an open position to assist individuals with entering or exiting the massage chairs. The massage chairs can also be configured to transition between an upright position and a reclined position. A locking mechanism can secure the arms of the massage chairs in the closed position when the massage chairs are in the reclined position or when the massage chairs are transitioning from the upright position to the reclined position. 1. A massage chair comprising:a base portion that comprises a seat and a backrest;a pair of arms that are coupled to the base portion, wherein the pair of arms are configured to transition between a closed position and an open position;releasable connections situated proximate to the seat of the base portion, wherein the releasable connections enable the arms to be secured to the base portion of the massage chair in the closed position and disengaged from the base portion of the massage chair in the open position; andfixed connections situated proximate to the backrest of the base portion, wherein the fixed connections enable the arms to transition from the closed position to the open position when the arms are not engaged with the releasable connections.2. The massage chair of claim 1 , wherein:the massage chair further comprises one or more massage components;the one or more massage components are located in at least one of: the backrest; the pair of arms; or a leg rest portion of the massage chair.3. The massage chair of claim 1 , wherein:the base portion of the massage chair is configured to transition between an upright position and a reclined position;the releasable connections include latching mechanisms;a hook member is configured to engage at least one of the latching mechanisms in response to the massage chair transitioning from the upright position to the reclined position; andthe hook ...

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25-02-2021 дата публикации

RECLINING ARMCHAIR WITH LIFTING SEAT AND EXTENDING FOOTREST

Номер: US20210052448A1
Принадлежит:

An armchair comprising a seat chassis supported on a support chassis by a pair of support columns, a chair back structure pivotally attached to a rear end of the seat chassis and to the support chassis, and a leg support structure pivotally attached to a front end of the seat chassis and connected to a beam, wherein the beam is attached the chair back structure. A first actuating device is mounted to the chair back, where a protracting end of the first actuating device is connected to the seat chassis. The armchair further comprises a second actuating device mounted to the support chassis, a footrest connected to a protracting end of the second actuating device, a third actuating device attached to the seat chassis, and a seating structure connected to a protracting end of the third actuating device and mounted above the seat chassis, wherein the seating structure includes an operative position projecting upwards and forwards by the third actuating device at a tilting angle from the seat chassis. 1. An armchair comprising:a seat chassis supported on a support chassis by a pair of support columns;a chair back structure attached to a rear end of the seat chassis and to the support chassis;a leg support structure pivotally attached to a front end of the seat chassis and connected to a beam, wherein the beam is attached to the chair back structure; anda seating structure connected to a first actuating device and mounted above the seat chassis; anda control device that controls the first actuating device in lifting and pivoting the seating structure into an upright position towards the front end of the seat chassis, wherein the control device further controls at least a second actuating device that reclines the seat chassis, reclines the chair back structure, and raises the leg support structure.2. The armchair of further comprising a footrest connected to the leg support structure.3. The armchair of claim 2 , wherein the control device further controls at least a third ...

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13-02-2020 дата публикации

RECLINING ARMCHAIR WITH LIFTING SEAT AND EXTENDING FOOTREST

Номер: US20200046585A1
Принадлежит:

An armchair comprising a seat chassis supported on a support chassis by a pair of support columns, a chair back structure pivotally attached to a rear end of the seat chassis and to the support chassis, and a leg support structure pivotally attached to a front end of the seat chassis and connected to a beam, wherein the beam is attached the chair back structure. A first actuating device is mounted to the chair back, where a protracting end of the first actuating device is connected to the seat chassis. The armchair further comprises a second actuating device mounted to the support chassis, a footrest connected to a protracting end of the second actuating device, a third actuating device attached to the seat chassis, and a seating structure connected to a protracting end of the third actuating device and mounted above the seat chassis, wherein the seating structure includes an operative position projecting upwards and forwards by the third actuating device at a tilting angle from the seat chassis. 1. An armchair comprising:a seat chassis supported on a support chassis by a pair of support columns;a chair back structure pivotally attached to a rear end of the seat chassis and to the support chassis;a leg support structure pivotally attached to a front end of the seat chassis and connected to a beam, wherein the beam is attached the chair back structure;a first actuating device mounted to the chair back, a protracting end of the first actuating device is connected to the seat chassis;a second actuating device mounted to the support chassis;a footrest connected to a protracting end of the second actuating device;a third actuating device attached to the seat chassis; anda seating structure connected to a protracting end of the third actuating device and mounted above the seat chassis, wherein the seating structure includes an operative position projecting upwards and forwards by the third actuating device at a tilting angle from the seat chassis.2. The armchair of ...

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22-02-2018 дата публикации

ARMREST

Номер: US20180049552A1
Автор: Tsai Po-Chuan
Принадлежит:

An armrest includes a shell convertible between a fixed position and a non-fixed position, a lock unit, and a control unit. The lock unit includes a base seat and two pivot gears, each of which has an arm segment and a gear segment having a plurality of first teeth. The control unit includes a rack having a plurality of second teeth and is operable to move between a locking position and an unlocking position. When the control unit is at the locking position, the second teeth mesh with the first teeth, the pivot gears are locked, and the shell is at the fixed position. When the control unit is at the unlocking position, the rack is away from the pivot gears, the pivot gears are pivotally rotatable, and the shell is at the non-fixed position. 1. An armrest adapted to be mounted to an armrest post of a chair , said armrest comprising:a shell configured to be movably mounted to the armrest post, and defining a receiving space, said shell being convertible between a fixed position and a non-fixed position, wherein, when said shell is at the non-fixed position, said shell is operable to move in a first direction relative to the armrest post and a second direction transverse to the first direction; a base seat that is disposed in said shell and that is immovably connected to the armrest post, and', 'two pivot gears that are pivotally connected to said base seat and that are spaced apart from each other in the first direction;, 'a lock unit mounted in said receiving space, and including'} an arm segment that has one end pivotally connected to said base seat, and', 'a gear segment that is connected to the other end of said arm segment and that has a plurality of first teeth; and, 'each of said pivot gears having'}a control unit including a rack that has a plurality of second teeth protruding toward said first teeth and arranged in the first direction, said control unit being operable to move between a locking position and an unlocking position, wherein, when said control ...

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22-02-2018 дата публикации

ORTHOPEDIC THIGH SUPPORT

Номер: US20180049555A1
Автор: Bilovol Lidiya
Принадлежит:

An orthopedic thigh support for relieving stress in the legs and back. The orthopedic thigh support includes a cylindrical shaft having a first end and a second end, an outer surface, and a deformable core. The outer surface of the cylindrical shaft contains a plurality of concentric circular grooves positioned along a longitudinal axis thereof. The deformable core allows the cylindrical shaft to bend. The cylindrical shaft further comprises a removably securable cover. In an alternative embodiment, the shaft is made of nylon and the cover is made of a washable material. 1) An orthopedic thigh support , comprising:a cylindrical shaft having a first end, a second end, an outer surface, and a deformable core;a plurality of concentric circular grooves on the outer surface of the cylindrical shaft positioned along a longitudinal axis thereof; anda cover comprising a fastener, wherein the fastener removably secures the cover to the outer surface of the cylindrical shaft.2) The orthopedic thigh support of claim 1 , wherein each concentric circular groove of the plurality of concentric circular grooves is positioned an equal distance from an adjacent concentric circular groove.3) The orthopedic thigh support of claim 1 , wherein the cylindrical shaft is made of a resilient material.4) The orthopedic thigh support of claim 3 , wherein the resilient material is nylon.5) The orthopedic thigh support of claim 1 , wherein the cover is constructed of an elastic material.6) The orthopedic thigh support of claim 5 , wherein the cover rests flush against the outer surface of the cylindrical shaft claim 5 , such that the concentric circular grooves are visible when in an attached position.7) The orthopedic thigh support of claim 1 , wherein the fastener on the cover is an elastic ring.8) The orthopedic thigh support of claim 1 , wherein the cover is made of a washable material. This application claims the benefit of U.S. Provisional Application No. 62/376,567 filed on Aug. 18, 2016. ...

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26-02-2015 дата публикации

RECLINING AND OTTOMAN-EXTENDING CHAIR MECHANISM

Номер: US20150054315A1
Автор: Donovan Bobby, White Nikki
Принадлежит:

A seating-unit mechanism includes various components that control a position of the seat and backrest and that control an extension and retraction of an ottoman and footrest. For example, the mechanism includes a linear actuator that controls a seat pitch (e.g., height and level of recline). In addition, the mechanism includes an ottoman-linkage drive mechanism, which might include a drive link or another linear actuator. 1. A mechanism for adjusting seating positions of a seating unit , the mechanism comprising:a pair of side rails; a front pivot link and a rear pivot link pivotably coupled to the respective side rail,', 'a seat plate pivotably coupled to the front pivot link and the rear pivot link,', 'an ottoman front pivot link and an ottoman rear pivot link pivotably coupled to the seat plate,, 'a pair of mirror-image linkage mechanisms, each of which is attached to respective side rail and each of which comprisesa rear drive tube extending between and coupled to both rear pivot links of the mirror-image linkage mechanisms;a linear actuator coupled to the rear drive tube that controls a position of the rear pivot links; andone or more ottoman-linkage drive mechanisms operatively coupled to the ottoman front pivot links of the mirror-image linkage mechanism, the one or more ottoman-linkage drive mechanisms controlling extension and retraction of an ottoman.2. The mechanism of claim 1 , wherein the one or more ottoman-linkage drive mechanisms comprises an ottoman drive link pivotably coupled to the rear pivot link and the ottoman front pivot link.3. The mechanism of claim 2 , wherein activation of the linear actuator coupled to the rear pivot link causes the rear pivot link to pivot on the respective side rail and wherein pivoting of the rear pivot link on the respective side rail causes the ottoman drive link to impart a force on the ottoman front pivot link.4. The mechanism of claim 1 , wherein the one or more ottoman-linkage drive mechanisms includes a second ...

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26-02-2015 дата публикации

TELESCOPIC SEATING SYSTEMS, AND FOLDABLE CHAIRS AND RELATED COMPONENTS FOR USE WITHIN TELESCOPIC SEATING SYSTEMS

Номер: US20150054322A1
Принадлежит:

The telescopic seating systems, and foldable chairs and related components for use within telescopic seating systems, of the present disclosure may incorporate occupant support elements within a space between a top surface of a seat frame structure and a bottom surface of the seat frame structure. Springs may be attached to the top surface of the chair frame structure and configured to extend into the space. Alternatively, or additionally, a chair cushion may extend into the space. 1. A telescopic seating system , comprising:a telescopic seating structure movable between a storage position and an in-use position;a plurality of foldable chairs, wherein each foldable chair is pivotally attached to the telescopic seating structure via a respective chair pivot mechanisms and wherein each chair pivot mechanism includes a telescopic seating structure attachment, a hinge and a chair attachment; anda plurality of power and/or data outlets, wherein the power and/or data outlets are mounted within the telescopic seating system on a telescopic seating structure side of the hinges.2. The telescopic seating system as in claim 1 , wherein any given power and/or data outlet may be located in one of: a rear riser claim 1 , a dust cover claim 1 , a deck claim 1 , a nose beam claim 1 , on a top dust cover claim 1 , on an end dust cover claim 1 , within a raceway claim 1 , behind a door claim 1 , behind a self-closing spring loaded door or on a deck plate claim 1 , such that a chair occupant has access while setting in an associated chair.3. The telescopic seating system as in claim 1 , wherein any given power and/or data outlet may be centrally located between adjacent foldable chairs such that a first occupant of a first foldable chair and a second occupant of a second foldable chair may access the power connector and the data connector.4. The telescopic seating system as in claim 1 , further comprising:interconnecting wiring, wherein the interconnecting wiring includes power ...

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03-03-2016 дата публикации

Furniture member with powered mechanism providing lift and zero gravity positions

Номер: US20160058191A1
Принадлежит: La Z Boy Inc

A furniture member powered mechanism providing both lift and zero gravity operating positions includes a first torque tube having first and second connecting links fixed thereto. The connecting links are each rotatably connected to a first or second connecting arm. The first and second connecting arms are rotatably connected to a gear housing. A positioning motor connected to the gear housing displaces a slide member coupled to the gear housing. Slide member motion displaces the first and second connecting arms, displacing and rotating the first torque tube. First and second connecting plates are rotatably connected to the slide member. A second torque tube is fixed at opposite ends to each of first and second arm rest portions of a furniture member base portion. The first and second connecting plates are also connected to the second torque tube such that slide member displacement rotates the base member.

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03-03-2016 дата публикации

POWER LEISURE RECLINING CHAIR

Номер: US20160058194A1
Принадлежит:

A power leisure reclining chair includes a seat structure having a seat portion and a backrest portion, a support assembly having two wooden leg assemblies connected by a wooden cross beam, and a main push rod positioned between the seat structure and the cross beam to push the seat structure to swing. A metal frame and an armrest are arranged on the leg assembly. The support assembly has metal bars extending from a pivot pin on each leg assembly and connecting the seat portion. The metal bar is pivoted to the metal frame. The backrest portion is held at the rear of the leg assemblies by a rail guide system. The rail guide system has guide elements fixed to the leg assembly, and rail member fixed to the backrest portion. The guide element has an under and a top bearing against the bottom and side of the rail member. 1. A power leisure reclining chair , comprising a seat structure , a support assembly and a main push rod , the support assembly has two oppositely-disposed wooden leg assemblies connected by a wooden cross beam , the main push rod is positioned between the seat structure and the cross beam to push the seat structure to swing on the support assembly , the seat structure comprises a seat portion and a backrest portion , wherein , a metal frame and an armrest are arranged on the said leg assemblies , the support assembly has metal bars connecting the seat portion to a pivot pin in the center portion of each leg assembly , the backrest portion is held at the rear portion of the leg assemblies by a rail guide system , the metal bar is pivot joint to the metal frame , the rail guide system comprises a pair of rail members and corresponding guide elements adapted for supporting and movably engaging the rail members , the guide element is fixedly attached to the leg assembly , the rail member is fixedly attached to the backrest portion , the guide element comprises a under bearing against the bottom of the rail member and a top bearing against a side portion ...

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21-02-2019 дата публикации

WASTE DISPOSAL SYSTEMS FOR HIGH DENSITY VENUES

Номер: US20190053628A1
Принадлежит:

An apparatus for waste disposal comprises a seat bottom comprising a seat body having a topside for supporting a user and an underside opposite to the topside. The underside comprises a moveable bottom portion. One or more arms are attached between a bottom of the seat body and a top of the moveable bottom portion. Each arm has a first end and a second end, with the first end of each arm attached to the bottom of the seat body and the second end of each arm attached to the top of the moveable bottom portion. A first waste bag support is provided on the bottom of the seat body and a second waste bag support is provided on the top of the moveable bottom portion. 1. An apparatus for waste disposal comprising:a seat bottom comprising a seat body having a topside for supporting a user and an underside opposite to the topside, the underside comprising a moveable bottom portion;one or more arms, each arm having a first end and a second end, with the first end of each arm attached to a bottom of the seat body and the second end of each arm attached to a top of the moveable bottom portion; anda first waste bag support on the bottom of the seat body and a second waste bag support on the top of the moveable bottom portion.2. An apparatus according to wherein the bottom of the seat body defines a cavity sized to accommodate one or more arms such that when the moveable bottom portion is in a closed position the moveable bottom portion abuts the bottom of the seat body around the cavity.3. An apparatus according to wherein the moveable bottom portion defines a cavity sized to accommodate the one or more arms such that when the moveable seat bottom is in a closed position the seat body abuts the top of the moveable bottom portion around the cavity.4. An apparatus according to wherein the one or more arms comprise a pair of arms.5. An apparatus according to wherein the first end of each of the one or more arms is pivotally attached to the bottom of the seat body.6. An apparatus ...

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02-03-2017 дата публикации

Operator Chair

Номер: US20170055713A1
Автор: Ravn Andreas
Принадлежит: Norsap AS

An operator chair comprises: a connection portion; a first parallel arm linkage to which an adjustable seat module is connected, the first parallel arm linkage being rotatably connected to the connection portion and to an armrest; a first actuator for driving the first parallel arm linkage between a first position and a second position, and thereby regulating a seat portion of the seat module between a first, substantially horizontal position corresponding to a sitting position of a user, and a second, at least partially vertical position corresponding to an at least partially standing position of the user, respectively; a second parallel arm linkage rotatably connected to the static fundament and to the connection portion; and a second actuator for driving the second parallel arm linkage so as to regulate at least the vertical position of the connection portion relative to the fundament. 1. An operator chair having an adjustable seat module , an armrest and a static fundament , said adjustable seat module having a seat portion , wherein said operator chair further comprises:a connection portion;a first parallel arm linkage to which said adjustable seat module is connected, said first parallel arm linkage being rotatably connected to said connection portion and to said armrest;a first actuator for driving said first parallel arm linkage between at least a first position and a second position, and thereby regulating the seat portion of said seat module between at least a first, substantially horizontal position corresponding to a sitting position of a user, and a second, at least partially vertical position corresponding to an at least partially standing position of a user, respectively;a second parallel arm linkage rotatably connected to said static fundament and to said connection portion; anda second actuator for driving said second parallel arm linkage so as to regulate at least the vertical position of the connection portion relative to said fundament.2. The ...

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04-03-2021 дата публикации

CHAIR

Номер: US20210059416A1
Принадлежит: ITOKI CORPORATION

A chair includes, a seat, a backrest separated from the seat, and an upper support frame to which the backrest is attached at a position higher than the seat. In the chair, the upper support frame includes a left side portin and a right side portions both extending forward at left and right sides of the seated person and a rear portion that continuously and integrally connects the left side portion and the right side portion. The left side portion and the right side portion are connected to side support bodies arranged on left and right sides of the seat to be tiltable, and the backrest is connected to the upper support frame to be tiltable rearward. 1. A chair comprising:a seat;a backrest separated from the seat; andan upper support frame to which the backrest is attached at a position higher than the seat, a left side portin and a right side portions both extending forward at left and right sides of the seated person; and', 'a rear portion that continuously and integrally connects the left side portion and the right side portion,, 'wherein the upper support frame includesthe left side portion and the right side portion are connected to side support bodies arranged on left and right sides of the seat to be tiltable, andthe backrest is connected to the upper support frame to be tiltable rearward.2. The chair according to claim 1 , whereinthe left and right side support bodies have a T-shape or an L-shape in a side view and have a front-rear longitudinal upper horizontal portion and an upper-lower longitudinal strut portion, andthe upper horizontal portion is set to a height at which a seated person's elbow is placable.3. The chair according to claim 1 , whereinthe backrest is connected to the rear portion of the upper support frame.4. The chair according to claim 1 , whereinresistance when the backrest tilts rearward relative to the upper support frame is set to be larger than resistance when the upper support frame tilts relative to the side support body.5. The ...

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03-03-2016 дата публикации

HIGH TORQUE-BEARING ARMREST FOR FURNITURE PIECE

Номер: US20160059753A1
Автор: Steury Douglas V.
Принадлежит:

A journaled armrest for a furniture piece includes an arm with, a hollow bearing portion with a rigid inner journal member. The journal member has a torque-bearing end and a connecting end. The connecting end is adapted to be connected to a seatback of a furniture piece. The torque-bearing end has three equally spaced planar surfaces formed in each of first and second annular portions. Each planar surface has an indention formed in it. The armrest is cast by way of injection molding around the journal member so that each of the equally spaced planar surfaces is parallel to an interior wall of the bearing portion. The new armrest is lightweight and capable of withstanding extreme amounts of torque without shearing at the connecting end. 1. An armrest for a furniture piece comprising:an arm having a hollow bearing portion with, a rigid inner journal member, the journal member has a torque-beating end and a connecting end, the connecting end is adapted to be rotatably connected to a seatback of a furniture piece so the arm may rotate relative to the seatback, and the torque-bearing end is shaped to include at least one planar surface that is parallel to an interior wall of the bearing portion to reduce shear stress between the external surface of the journal member and the interior surface of the bearing portion when force is applied to the arm.2. An armrest according to claim 1 , wherein the connecting end of the journal member includes at least claim 1 , one guide element for guiding movement of the arm so that the arm experiences vertical displacement bat no angular displacement when the seatback is moved claim 1 , between a forward position claim 1 , and a backward position.3. An armrest according to claim 1 , wherein the arm and the bearing portion are integrally cast.4. An armrest according to claim 1 , wherein the torque-bearing end of the journal member has at least one indention with an arcuate surface.5. An armrest according to claim 4 , wherein the arm and ...

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02-03-2017 дата публикации

LIFE ASSISTANCE SYSTEM FOR ASSISTING USER IN ACT OF STANDING UP

Номер: US20170056262A1
Принадлежит:

A life assistance system includes an automatic liftable chair and an autonomous mobile robot connected to the automatic liftable chair via a network. The life assistance system assists a user in the action of standing up from the automatic liftable chair. The life assistance system is configured such that upon reception of a stand-up assist instruction by the autonomous mobile robot, the automatic liftable chair executes a first assisting action and that upon detection of a load applied to a handle of the autonomous mobile robot, the automatic liftable chair executes a second assisting action. 1. A life assistance system comprising:an automatic liftable chair having a seat on which a user sits and an assistance control apparatus;a load detection apparatus configured to detect a load applied by the user's hand or arm; andan instruction inputter configured to receive a stand-up assist instruction from the user,wherein the assistance control apparatus configured to control a movement of the seat to execute an assisting action of assisting the user, who is sitting on the automatic liftable chair, in standing up,in response to the assist instruction, the assistance control apparatus executes a first assisting action of moving the seat from a sitting position to a first seat position, andupon detection of the load, the assistance control apparatus executes a second assisting action of moving the seat from the first seat position to a second seat position.2. The life assistance system according to claim 1 , wherein the load detection apparatus is an autonomous mobile robot connected to the automatic liftable chair via a network claim 1 , andthe autonomous mobile robot includes:a main body;a handle, provided on the main body, which the user is able to grip;a first load sensor configured to detect, as the load applied by the user's hand or arm, a load applied to the handle; andthe instruction inputter.3. The life assistance system according to claim 2 , wherein the ...

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02-03-2017 дата публикации

AIR MASSAGE DEVICE

Номер: US20170056280A1
Автор: Ode Kentaro
Принадлежит: Fuji Medical Instruments Mfg. Co., Ltd.

Provide is an air massage device including a plurality of air bags; an air pump for supplying air into each of the air bags; solenoid valves for switching on-off of air supply into each of the air bags; and a control part for changing an electric input value into the air pump and an amount of the supplied air into each of the air bags per unit time to open and close each of the solenoid valves so as to correspond to this change of the amount of the supplied air. 1. An air massage device , comprising:a plurality of air bags;an air pump for supplying air into each of the air bags;air supply valves for switching on-off of air supply into each of the air bags; anda control part for changing an amount of the supplied air into each of the air bags per unit time according to an electric input value into the air pump to open and close each of the air supply valves so as to correspond to the amount of the supplied air.2. The air massage device according to claim 1 , wherein the control part enables each of the air supply valves to be opened and closed based on a plurality of predetermined treatment courses and enables the air massage device to perform treatment operations due to one treatment course in which the electric input value into the air pump is sufficiently increased in addition to treatment operations due to the other treatment course in which the electric input value is decreased so as to be lower than the electric input value of the one treatment course to elongate an air supply time duration.3. The air massage device according to claim 1 , wherein the control part performs one control in which the electric input value into the air pump is sufficiently increased and the other control in which the electric input value is decreased so as to be lower than the electric input value of the one control to elongate an air supply time duration during treatment operations in one treatment course among a plurality of predetermined treatment courses.4. The air massage device ...

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01-03-2018 дата публикации

SINGLE SPRING LINEAR ADJUSTING LOCK

Номер: US20180056830A1
Автор: CRIPE JAMES, STOWELL BRIAN
Принадлежит: PANGEO GROUP LLC

The present invention is an improved mechanical linear locking device, with a single locking coiled spring. When firmly coiled, the single locking coil spring is able to grip a smooth rod and prevent axial motion. When the single locking coil spring is uncoiled, slightly, it releases its grip on the smooth rod, allowing axial motion. The single spring linear adjusting lock device is used in an armrest with memory. The present invention uses a rod, a return spring, an annular bearing, a sleeve, a two-piece housing, a coil spring, a bushing, and a cylinder with protruding trunnions. 1. A single coil spring linear adjusting lock device comprising a rod with one smooth , cylindrical end and disposed opposite the smooth , cylindrical end , an opposing end with a mounting hole;a return spring;a two-piece housing wherein each piece of the two-piece housing is a section of a cylindrical surface having two radial edges, wherein both radial edges have an arc of less than 180°;an annular bearing;a single coil spring with a plurality of coils, and two terminating tangs;a notched sleeve with an orthogonal blade, which has a ramp feature, an inner surface, an outer surface, and at least one radial surface, wherein one of the single coil spring tangs is capable of mating with the notch;a bushing with a ramp feature, wherein the bushing has an inner cylindrical surface, an outer cylindrical surface, and at least one radial surface;and a cylinder with protruding trunnions and two open ends;wherein a compressive load applied to the single coil spring linear adjusting lock device causes the ramp feature inside the bushing to cause the coils of the single coil spring to tilt and grip the rod; andwherein a tensile load applied to the single coil spring linear adjusting lock device causes the ramp feature inside the notched sleeve to cause the coils of the single coil spring to tilt and grip the rod.2. The single coil spring linear adjusting lock device of claim 1 , wherein the coils of ...

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05-03-2015 дата публикации

Chair Position Adjuster

Номер: US20150061348A1
Автор: Shen Zhiming
Принадлежит: Jartex Shanghai Co., Ltd.

The present invention relates to a chair position adjuster for adjustable chairs or foldable chairs. The objective of the utility model is to provide an improved chair position adjuster to overcome the shortcomings in the prior art, avoid risks of clamping hands, and realizing simple structure and lower cost. A chair position adjuster comprises a housing and an adjustment arm. The housing is installed at the lower surface of an armrest. The said adjustment arm is connected with a chair part. The said housing is internally provided with a continuous wave-shaped chute. The bottom of the said housing is transversely provided with a slit communicating with the said chute. One end of the adjustment arm is inserted into the said chute, while the other end extends out of the slit and is fixed on the chair part. The said adjustment arm moves slidably in the said chute. 1. A chair position adjuster , comprising a housing and an adjustment arm , the said housing being installed at the lower surface of the armrest of a chair; the said adjustment arm being connected with a chair part , characterized in that the said housing is internally provided with a continuous wave-shaped chute; the bottom of the said housing is transversely provided with a slit communicating with the said chute; one end of the said adjustment arm is inserted into the said chute , while the other end extends out from the said slit and is fixed on the chair part; and the said adjustment arm moves slidably in the said chute.2. The chair position adjuster according to claim 1 , wherein the said adjustment arm is shoe-shaped and wherein the said adjustment arm provided with a bolt at the end of the bent portion; the said adjustment arm moves slidably in the said wave-shaped chute through the said bolt; the other portion of the said adjustment arm extends out of the said chute from the said slit at the bottom and is connected with the chair part.3. The chair position adjuster according to claim 1 , wherein the ...

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22-05-2014 дата публикации

ADJUSTABLE ARMREST ASSEMBLY

Номер: US20140139001A1
Автор: Bauer Nathaniel David
Принадлежит: Anderson Technologies, Inc.

An adjustable armrest for a chair is disclosed herein and comprises an assembly of a mounting plate, a mounting base, and two arms. The adjustable armrest's mounting plate is vertically positionable, such that when the mounting plate is depressed, the motion of the mounting plate is restrained relative to the mounting base. Additionally, when the mounting plate is raised vertically, the arms and the mounting plate can be repositioned. 1. An adjustable arm rest for a chair , comprising:a mounting plate including a base portion having a slot;a first arm including a first slot engaging feature;a second arm including a second slot engaging feature;a mounting base;wherein said first arm's said first slot engaging feature and second arm's said second slot engaging feature engage with said slot and slide within said slot in said mounting plate;wherein said first arm and said second arm are pivotally mounted to said mounting base;wherein said mounting plate is positionable between an engaged configuration and a non-engaged configuration,wherein when in the engaged configuration the rotation of said first and said second arms is restrained, and when in the non-engaged configuration, said first and second arms are allowed to rotate; andwherein said engaged and said non-engaged configuration are controlled by the vertical position of said mounting plate relative to said mounting base.2. The adjustable arm rest of further comprising a fore-aft restraint system and a cover fitted to said mounting plate; said cover vertically positionable relative to said mounting plate claim 1 , allowing said first slot engaging feature and said second slot engaging feature to traverse along said slot in said mounting plate when said cover is positioned away from said mounting plate claim 1 , and restraining at least one of said first slot engaging feature or said second slot engaging feature from traversing along said slot in said mounting plate when said cover is positioned toward said ...

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27-02-2020 дата публикации

WASTE DISPOSAL SYSTEMS FOR HIGH DENSITY VENUES

Номер: US20200060426A1
Принадлежит:

An apparatus for disposing waste at a seat comprising a seat body having a topside for supporting a user and an underside opposite to the topside. The apparatus comprises a moveable bottom portion mounted below the underside of the seat body on one or more arms configured to allow the moveable bottom portion to move between an open position and a closed position, a first waste bag support positioned below the underside of the seat body and a second waste bag support positioned on an upper side of the moveable bottom portion. Each arm comprises one or more springs for biasing the moveable bottom portion into the closed position. 1. An apparatus for disposing waste at a seat comprising a seat body having a topside for supporting a user and an underside opposite to the topside , the apparatus comprising:a moveable bottom portion mounted below the underside of the seat body, the moveable bottom portion mounted on one or more arms configured to allow the moveable bottom portion to move between an open position and a closed position;a first waste bag support positioned below the underside of the seat body and a second waste bag support positioned on an upper side of the moveable bottom portion;wherein each arm comprises one or more springs for biasing the moveable bottom portion into the closed position.2. An apparatus according to comprising a locking mechanism for keeping the moveable bottom portion in an open position.3. An apparatus according to wherein the one or more arms comprise a pair of arms.4. An apparatus according to wherein each arm comprises a lower segment and an upper segment each having a first end and a second end claim 3 , with the first end of the upper segment pivotally coupled to the second end of the lower segment by a central pivot.5. An apparatus according to wherein each arm comprises a central torsion spring mounted on the central pivot.6. An apparatus according to wherein at least one of the waste bag supports comprises a wire frame mounted by ...

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08-03-2018 дата публикации

SPLIT OTTOMAN LINKAGE WITH RELEASE LINK

Номер: US20180064255A1
Принадлежит:

A split ottoman linkage is provided that has a slotted upper ottoman bracket. The slot of the upper ottoman bracket is shaped to maintain the pivotal coupling between the upper ottoman bracket and a front ottoman link in normal operation. If an entrapment is encountered as the split ottoman linkage closes, the slotted connection allows the upper ottoman bracket to pivot away from the entrapment to provide some relief. 1. A split ottoman linkage for a reclining chair mechanism on a chair having a frame , a seat , and a backrest , where the reclining chair mechanism has an upper ottoman link , and a lower ottoman link , comprising:a front ottoman link having first and second ends, the first end being coupled to the upper ottoman link of the reclining chair mechanism;a middle ottoman link having first and second ends, the first end of the middle ottoman link being coupled to the lower ottoman link, the middle ottoman link also being coupled to the upper ottoman link near the first end of the upper ottoman link;an upper ottoman bracket pivotably coupled to the second end of the middle ottoman link and also pivotably coupled to the front ottoman link near the second end of the front ottoman link, the upper ottoman bracket having a slot located at a point coupling the upper ottoman bracket to the front ottoman link;a front ottoman bracket coupled to the second end of the front ottoman link; anda coupling link coupled between the upper ottoman bracket and the front ottoman bracket;wherein the split ottoman linkage is adapted to move between a closed position with the upper ottoman bracket and the front ottoman bracket positioned close to one another, and an extended position where the upper ottoman bracket and the front ottoman bracket are spaced from one another.2. The split ottoman linkage according to claim 1 , wherein the slot on the upper ottoman bracket has a first end and a second end spaced from the first end.3. The split ottoman linkage according to claim 2 , ...

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09-03-2017 дата публикации

ERGONOMIC SEATING ASSEMBLIES AND METHODS

Номер: US20170065087A1
Принадлежит:

Seating assemblies and methods are disclosed. A seating assembly can comprise a seat, a back support, and a frame component. The frame component can extend from a bottom portion, positioned near an underside of the seat, to a top portion, configured to maintain the back support at a position above the seat. The back support can laterally extend from a left edge portion to a right edge portion and can include a spring member at or near each of the left and right edge portions. The spring member can include at least one undulation or are providing integrated compression adaptation to a user. The seating assembly can further comprise a tilt mechanism, engaged with the frame component, including one or more leaf springs and a spring contact assembly. The spring contact assembly can be positioned on a top side of the one or more leaf springs. 1. (canceled)2. A seating assembly comprising:a seat including a cupped IT region;a frame component coupled with the seat; a back support extending from a left edge portion to a right edge portion, and', 'at least first and second spring members extending between the frame component and the left and right edge portions, respectively; and, 'a back support assembly coupled with the frame component, the back support assembly includeswherein the first and second spring members are configured to self-adjust the position of the back support relative to both the frame component and the cupped IT region according to a plurality of different size users seated at the cupped IT region.3. The seating assembly of claim 2 , wherein the first and second spring members include at least three configurations including relaxed claim 2 , first user and second user configurations:in the relaxed configuration the first and second springs position the back support at a relaxed location relative to the frame component and the cupped IT region,in the first user configuration the first and second springs position the back support at a first location relative ...

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09-03-2017 дата публикации

ADJUSTABLE FOOTREST RING FOR CHAIR

Номер: US20170065088A1
Автор: Su Chih-Cheng
Принадлежит:

The invention provides an adjustable footrest ring for a chair with a central post. The invention includes an inner sleeve, a quick-release handle, a support frame and a ring. The inner sleeve is used for being put around the central post and has an outer threaded surface, a through slot and a pair of passing holes below the outer threaded surface. The quick-release handle is formed with a through hole at an end thereof. The through hole corresponds to the passing holes for being passed through by a bolt. The inner sleeve is shrunken when the bolt is tightened and the quick-release handle is closed. The support frame has an outer sleeve and support rods radially extending therefrom. An inner threaded surface is formed inside the outer sleeve so as to screw the outer sleeve onto the inner sleeve. The ring is connected to outer ends of the support rods. 1. An adjustable footrest ring for a chair with a central post , comprising:an inner sleeve, used for being put around the central post, an outer threaded surface being formed on the inner sleeve, having a through slot, a pair of passing holes being provided below the outer threaded surface;a quick-release handle, being formed with a through hole at an end thereof, the through hole corresponding to the passing holes for being passed through by a bolt, wherein the inner sleeve is shrunken when the bolt is tightened and the quick-release handle is closed;a support frame, having an outer sleeve and support rods radially extending therefrom, an inner threaded surface being formed inside the outer sleeve so as to screw the outer sleeve onto the inner sleeve; anda ring, connected to outer ends of the support rods.2. The adjustable footrest ring of claim 1 , wherein the pair of passing holes is located beside the through slot.3. The adjustable footrest ring of claim 1 , wherein the outer threaded surface is a frustum of a cone in shape claim 1 , and a bottom diameter is greater than a top diameter.4. The adjustable footrest ...

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09-03-2017 дата публикации

CHAIR ELBOW REST UPHOLSTERY MEMBER AND CHAIR HAVING SUCH MEMBERS

Номер: US20170065096A1
Автор: Tanaka Nobuyoshi
Принадлежит:

[Problem] To present a cover member of a lap cover of a chair and a chair having such member capable of solving the problems due to the space formed between the lap cover and the seat and problems occurring when the lap cover is used. 1. A cover member of an elbow rest of a chair comprising a mounting portion to be disposed along the upper surface of the elbow rest as being hooked on the elbow rest of the chair , and a concealing portion for covering the side portion of the elbow rest.2. The cover member of the elbow rest of the chair according to claim 1 , wherein the length is equivalent to the length from the front end to the rear end of the seat of the chair.3. The cover member of the elbow rest of the chair according to claim 1 , wherein the length of the seat is variable.4. The cover member of the elbow rest of the chair according to claim 1 , further comprising a lap cover using a sheet material so as to wrap the lap portion in a state sitting on the chair claim 1 , wherein the sheet material of the lap cover is integrated with the mounting portion or the concealing portion.5. The cover member of the elbow rest of the chair according to claim 1 , wherein the concealing portion for covering the side portion of the lap cover is made of a lap cover member using a sheet material so as to wrap the lap portion in a state sitting on the chair claim 1 ,6. A chair comprising a cover member of a lap cover of a chair according to .7. The cover member of the elbow rest of the chair according to claim 2 , wherein the length of the seat is variable.8. The cover member of the elbow rest of the chair according to claim 2 , further comprising a lap cover using a sheet material so as to wrap the lap portion in a state sitting on the chair claim 2 , wherein the sheet material of the lap cover is integrated with the mounting portion or the concealing portion.9. The cover member of the elbow rest of the chair according to claim 3 , further comprising a lap cover using a sheet ...

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29-05-2014 дата публикации

ADJUSTMENT MECHANISM FOR ARMREST

Номер: US20140145490A1
Автор: Chen Yu-Ting
Принадлежит: Isotech Products Incorporated

An adjustment mechanism for armrests is revealed. An armrest includes an armrest surface and a lower plate fastened to form a space for receiving a movable block. Thus the movable block is moved forward and backward and positioned in relation to the lower plate. A rectangular slot is disposed on the movable block and a rectangular piece is moved and positioned transversely therein. A round slot is set on the rectangular piece while a hat-shaped disc is mounted in the round slot and fastened elastically on a projecting rod of a bottom frame. By a positioning bump on the hat-shaped disc elastically mounted into or separated from a positioning hole arranged circularly on the projecting rod, the hat-shaped disc and the bottom frame are rotated and positioned in relation to each other in a 360 degree circle. Thereby the armrest can be moved transversely and rotated 360 degrees. 1. An adjustment mechanism for an armrest disposed on top of an armrest support comprising: an armrest surface , a lower plate , a bottom frame , a movable block , a rectangular piece , a hat-shaped disc , a plurality of positioning rings and a plurality of elastic parts corresponding to the positioning rings; whereinthe armrest surface is fastened and integrated with the lower plate to form a rectangular inner space therebetween for receiving components related to armrest adjustment;the lower plate is disposed with two symmetrical linear positioning slots each of which is formed by a plurality of curved slots and respectively set on the left and right sides of one end therein;the movable block is movably mounted in the lower plate and having a length smaller than an internal length of the lower plate; the moveable block includes two symmetrical receiving slots respectively arranged at the left and right sides of one end thereof, a rectangular slot disposed around a middle part thereof, a transverse groove arranged at about a middle part in the rectangular slot, and a receiving groove mounted on ...

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29-05-2014 дата публикации

Process for forming a connecting structure between the column and seating portion of an office chair, and a structure obtained by such process

Номер: US20140145493A1
Принадлежит: IMARC S.p.A.

A method of forming a connecting structure between column and seating portion of an office chair includes the steps of forming a frusto-conical portion having a flange by cold-pressing a portion of sheet metal, inserting the flanged portion into a mold reproducing the shape of the structure, injecting plastic material into the mold and incorporating the flanged portion of the frusto-conical portion into the plastic material. 1. A connecting structure between a column and a seating portion within an office chair comprising:a tray-shaped body having a metal frusto-conical portion and a metal flange which are over-molded with a plastic material, the frusto-conical portion forming a seat which is configured for insertion-fitting of a support column for the seating portion,wherein the flange has a plurality of apertures defined therein.2. The connecting structure as claimed in claim 1 , further comprising reinforcement ribs which connect the frusto-conical portion of the tray-shaped body to side walls of the plastic connecting structure.3. The connecting structure as claimed in claim 2 , wherein the reinforcement ribs are disposed in positions corresponding to the apertures in the flange.4. The connecting structure as claimed in claim 1 , wherein the connecting structure is provided with a quick coupling for a control lever of the office chair.5. The connecting structure as claimed in claim 1 , further comprising sockets configured to house pins coupled to adjustment members of the office chair. The present invention relates to a system for forming a connecting structure between the column and seating portion in office chairs, and a structure obtained by the method.Office chairs are known, generally consisting of a support base provided with wheels and a rotatable column of variable height, the upper end of which is inserted into a box support internally housing the adjustment mechanisms for the seating portion and back rest.These structures are subjected to intensive ...

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17-03-2016 дата публикации

Retraction and extension device for a foot and/or leg support of an item of seating and/or lounging furniture

Номер: US20160073785A1
Автор: MACKERT Michael
Принадлежит:

A retraction and extension device () for a foot and/or leg support of an item of seating and/or lounging furniture, with two substantially parallel arms (), each arm () includes a first fastener () for rotatable fastening to a chassis () of the item of seating and/or lounging furniture, second fastener () for fastening the foot and/or leg support to the respective arm (), and a plurality of struts arranged in two rows (), in each of the rows () the struts of the respective row () are connected in a rotatable manner to each other. Some of the struts in each of the rows () are connected in a rotatable manner to at least one strut of the respective other row (), wherein the first and the second fastener are spaced apart from each other by a distance of less than 50 cm. 1100102102106108110102104104104104104. A reaction and extension device () for a foot and/or leg support of an item of seating and/or lounging furniture , comprising two substantially parallel legs () , each leg () comprising first fastener () for rotatably attaching to a chassis () of the item of the seating and/or lounging furniture , second fastener () for attaching the foot and/or leg support to the respective leg () , and a plurality of struts disposed in two rows () , wherein in each of the rows () , the struts of the respective row () are rotatably interconnected , and wherein at least one of the struts in each of the rows () are rotatably connected to at least one strut of the respective other row () ,{'b': '110', 'wherein the first and the second fastener () are spaced apart, when the foot and/or leg support is extended by a distance of less than 50 cm.'}2100106104. The reaction and extension device () according to claim 1 , wherein the first fastener () comprise recesses disposed on several struts of the two rows ().3100110104. The reaction and extension device () according to claim 1 , wherein the second fastener () comprise recesses on several struts of the two rows ().4100110114. The reaction ...

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17-03-2016 дата публикации

Human balance work stool

Номер: US20160073786A1
Автор: Brock Walker, Mark Goetz
Принадлежит: Herman Miller Inc

Novel sit-stand seating devices, more particularly, to sit-stand seats or stools that can tilt forward to provide balanced support for seated to near-standing postures and methods of their use are disclosed. The sit-stand devices are useful, inter alia, to provide stabilized worker positioning to carry out a task for a range of sitting through standing postures in an environment associated with a task for a worker in need thereof

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24-03-2022 дата публикации

SEATING FURNITURE CHASSIS

Номер: US20220087422A1
Автор: MACKERT Michael
Принадлежит:

A seating furniture chassis comprises a seat surface frame, a lever mechanism, a footrest, a guide element, and a guide rail. The footrest is connected to the seat surface frame by the lever mechanism and is convertible between a folded-in state in which the footrest is arranged below the seat surface frame and a folded-out state in which the footrest forms an obtuse angle with the seat surface frame. The guide element is rigidly connected to the seat surface frame. When the footrest is converted between the folded-out and folded-in states, the guide element is guided in the guide rail, which has a curved shape. 1. A seating furniture chassis , comprising:a seat surface frame;a lever mechanism;a footrest connected to the seat surface frame by the lever mechanism, the footrest being convertible between a folded-in state in which the footrest is arranged below the seat surface frame and a folded-out state in which the footrest forms an obtuse angle with the seat surface frame;a first guide element rigidly connected to the seat surface frame; anda first guide rail having a curved shape, wherein when the footrest is converted between the folded-out and folded-in states, the first guide element is guided in the first guide rail.2. The seating furniture chassis of claim 1 , wherein the first guide rail has a front end claim 1 , a rear end claim 1 , and a central region arranged between the front and rear ends claim 1 , wherein the front and rear ends are arranged lower than the central region.3. The seating furniture chassis of claim 2 , wherein the first guide element in the folded-out state of the footrest is arranged on the rear end of the first guide rail.4. The seating furniture chassis of claim 2 , wherein the first guide element in the folded-in state of the footrest is arranged on the front end of the first guide rail.5. The seating furniture chassis of claim 1 , wherein the lever mechanism comprises a lever arranged rotatably on the seat surface frame claim 1 , ...

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24-03-2022 дата публикации

Footrest mechanism, chair support structure and chair having same

Номер: US20220087431A1
Автор: Xiaozhao ZHANG
Принадлежит: Individual

The present disclosure provides a footrest mechanism, a chair support structure and a chair. The footrest mechanism comprises a first support component, a first folding arm, a first rotating member and a first leg connecting rod, which can define a first four-bar mechanism. The first leg connecting rod is connected to the chair component, and is pivotally connected to the first rotating member. The first folding arm is pivotally connected to the first rotating member and the first support component, respectively. The first support component is pivotally connected to the first leg connecting rod. The first leg connecting rod is capable of moving towards or away from the chair component, and rotating relative to the first rotating member. The first leg connecting rod has a first state and a second state.

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15-03-2018 дата публикации

BEAM MOUNTED CHAIR ASSEMBLIES, CHAIR ASSEMBLIES OF USE WITHIN THE BEAM MOUNTED CHAIR ASSEMBLIES, COMPONENTS FOR USE WITHIN THE CHAIR ASSEMBLIES AND PARTS FOR USE WITHIN THE COMPONENTS

Номер: US20180070727A1
Принадлежит:

Beam mounted chair assemblies may include at least two standards supported on a floor, a beam secured to, and supported by, the standards, and a plurality of chair assemblies secured to, and supported by, the beam. Chair assemblies may be secured to a beam via associated chair brackets. Chair brackets may include chair seat pivots that pivotally secure a chair seat in proximity to a chair back such that the chair seat may pivot between an up and a down position. Chair brackets and standards may be secured to a beam such that the chair brackets and standards may be linearly positioned along a full length of the beam without interfering with one another. The beam mounted chair assemblies may include electrical power and/or data wiring and associated components. 1. A beam mounted chair assembly , comprising:a first beam having a first end and a second end, wherein the first beam is supported on at least one first standard;a second beam having a first end and a second end, wherein the second beam is supported on at least one second standard, and wherein the second beam extends from the at least one second standard toward the first beam;at least one chair assembly having a first chair bracket and a second chair bracket, wherein at least a first portion of the first chair bracket is secured to the first beam and at least a first portion of the second chair bracket is secured to either the first beam or the second beam; andat least one of: electrical data wiring or electrical power wiring incorporated within the first beam.2. A beam mounted chair assembly as in claim 1 , further comprising:a beam coupler, wherein the beam coupler secures the first end of the first beam in alignment with the second end of the second beam.3. A beam mounted chair assembly as in claim 2 , wherein the first chair bracket is secured to the first beam such that a second portion of the first chair bracket is secured to the second beam.4. A beam mounted chair assembly as in claim 2 , wherein a ...

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16-03-2017 дата публикации

Omnidirectional Adjustment-oriented Positioning Device of Office Chair Armrest

Номер: US20170071345A1
Автор: Tsai Hsuan-Chin
Принадлежит:

An omnidirectional adjustment-oriented positioning device of an office chair armrest includes two parallel inner links pivotally connected between an armrest rotation fixing unit and a rotation base. The inner links are enclosed in outer links to form a parallel four-link swing link component. The rotation base is axially disposed at a pad. An armrest component capable of horizontal rotation and displacement is disposed at the armrest rotation fixing unit. Inner and external wheel components with bevel gears meshing with each other are disposed between upper ends of the outer links and the armrest rotation fixing unit. Positioning gears which mesh with each other are disposed at the armrest rotation fixing unit. A positioning wheel is mounted at the armrest rotation fixing unit and rotatable such that a rotation component for rotating the inner wheel component abuts against the inner wheel component and thus drives the positioning wheel to move outward. 1the swing link component comprises a rotation base pivotally disposed on the armrest fixing unit and having an upper end provided with a pivot portion and an armrest rotation fixing unit pivotally fixed to an armrest component and having a lower end provided with a pivot portion, wherein an inner link is pivotally connected between and slightly outside the two pivot portions of the armrest rotation fixing unit and the rotation base, wherein two sides of a middle of each of the two pivot portions are pivotally fixed in place to enclose an inner link and two parallel opposing outer links;a bump portion and a rotation-proof recess being substantially polygonal and annular and having a bottom which an oblong hole is disposed on are centrally disposed on a lateral surface of the pivot portion of the armrest rotation fixing unit, wherein an inner wheel component and an external wheel component each have two opposing surfaces which annular continuous bevel gears meshing each other are disposed on and each have a lateral ...

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16-03-2017 дата публикации

RECLINING CHAIR

Номер: US20170071346A1
Автор: Garland Thomas A.
Принадлежит: American Leather Operations, LLC

Furniture is described having an extendable footrest. The footrest has a main panel and a flipper panel. In an extended position of the footrest, the top surfaces of the panels are approximately horizontal and co-planar, the main panel being proximate to a seat portion of the furniture. In a retracted position of the footrest, the top surface of the main panel is approximately vertical and the top surface of the flipper panel is approximately horizontal and facing in a downward direction. The footrest projects substantially 20″ or more from the front of the seat portion in the extended position, and substantially 7″ or less is provided between the floor and the apparent bottom edge of the footrest when retracted. 1. A chair comprising:a support structure;a seat portion, mounted on the support structure and defining an approximately horizontal plane;a reclinable backrest mounted on the support structure, movable between an approximately vertical position and a reclined position;a footrest adjustable between a retracted position and an extended position, wherein the footrest and the backrest define fore and aft directions relative to the seat;the footrest having first and second segments, wherein each segment has an edge approximately contiguous with an edge of the other segment and also has a top surface, and wherein (i) in the extended position of the footrest the top surfaces of the segments are approximately horizontal and co-planar, the first segment being proximate to the seat portion and (ii) in the retracted position of the footrest, the top surface of the first segment is approximately vertical and the top surface of the second segment is approximately horizontal and facing in a downward direction;a cantilever assembly supporting the footrest by including a pair of long linkages, each long linkage mounted, near a first end thereof, by a pair of approximately parallel support linkages, to the support structure, so that the long linkages are disposed in a ...

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05-06-2014 дата публикации

GANGING DEVICE FOR CHAIR

Номер: US20140152059A1
Автор: Swy Joshua Paul

A ganging system for a chair includes a first support interconnected with the chair adjacent the first side of the chair and a first ganging member slidably supported by the support. The first ganging member has a retracted position, a fully extended position, and at least one intermediate partially extended position. A second support is interconnected with the chair adjacent the second side of the chair and a second ganging member is supported by the second support. The ganging members have ganging features that interconnect with the ganging feature of a like chair so as to interconnect the chairs. 1. A ganging system for a chair of the type having a generally horizontal seat supported by four legs , the chair having a first side and a second side , the ganging system comprising:a first support interconnected with the chair adjacent the first side of the chair;a first ganging member slidably supported by the support, the first ganging member having a retracted position, a fully extended position and at least one intermediate partially extended position, the first ganging member extending from the first side of the chair in the partially extended and fully extended positions;a second support interconnected with the chair adjacent the second side of the chair; anda second ganging member supported by the second support;wherein the first ganging member has a first ganging feature and the second ganging member has a second ganging feature, the first ganging feature configured to engage the second ganging feature of a like chair so as to interconnect the chair and the like chair.2. A ganging system in accordance with claim 1 , wherein:one of the ganging members has an opening defined therein, the opening sized to receive and hold a drinking cup.3. A ganging system in accordance with claim 2 , wherein:the ganging member with the opening defined therein is the first ganging member.4. A ganging system in accordance with claim 2 , further comprising:a bottom support disposed ...

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05-03-2020 дата публикации

Footrest for Chair and Armchair

Номер: US20200069065A1
Автор: López Gil Félix
Принадлежит:

A footrest for a chair or an armchair, includes a support platform for the feet of a user of said chair. Said platform is configured to be rotatably fastened to a leg of the chair or armchair, enabling the rotational movement of said platform in a horizontal plane. The platform includes at least one wheel which serves as a support on the ground, preventing the feet from being loaded on the cantilevered platform. In this manner, the footrest moves with the chair, always being available for the user, regardless of whether the chair moves, being able to be retracted underneath the legs of said chair when the platform is not being used by the user. 1. A footrest for a chair and an armchair , comprising: a support platform for feet , wherein the platform is configured to be rotatably fastened to a leg of the chair and armchair in order to enable the movement of the platform in the horizontal plane and wherein the platform comprises at least one wheel.2. The footrest according to claim 1 , wherein an angle of rotation of the platform with respect to the fastening with the leg claim 1 , in a horizontal plane claim 1 , is 360°.3. The footrest according to claim 1 , wherein the platform comprises a housing configured to rotatably fasten said platform to the leg of the chair and armchair.4. The footrest according to claim 3 , wherein the fastening of the leg of the chair and armchair through the housing of the platform comprises a bushing.5. The footrest according to claim 1 , wherein the chair and armchair comprises wheels claim 1 , wherein the wheel fastened to the platform comprises a wheel for support and movement of the platform.6. The footrest according to claim 5 , wherein the legs of the chair and armchair have a radial arrangement and are configured to rotate together with respect to a normal line of a horizontal plane.7. The footrest according to claim 5 , wherein the wheels of the chair and armchair are configured to rotate according to a horizontal shaft and ...

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05-03-2020 дата публикации

Electric-Assisted Leisure Lifting Recliner

Номер: US20200069489A1
Автор: Lin Chang-Chen
Принадлежит:

An electric-assisted leisure lifting recliner includes a back frame pivotably mounted to a seat frame unit. A footrest unit includes a connecting portion pivotably connected to a front end of the seat frame unit. First and second frames are pivotably connected to a base unit and the seat frame unit and are operable to move the seat frame unit vertically. A telescopic rod is pivotably connected to an actuating block and the connecting portion. An actuator pivotably connected to the actuating block can move the footrest unit to an extended state and to recline the back frame. When the connecting portion abuts against the seat frame unit, the telescopic rod can be shortened to independently recline the back frame. When a length of the actuator is shortened, the first and second frames and the seat frame unit are lifted, and a rear end of the seat frame rises. 1. An electric-assisted leisure lifting recliner comprising:a base unit;a seat frame unit mounted on top of the base unit and including a seat frame and a chassis mounted below the seat frame, wherein a stopper portion is provided on a front end of the seat frame;a back frame unit mounted to a rear end of the seat frame unit and including a back frame and a first linking rod, wherein the back frame includes a lower end pivotably connected to a rear end of the seat frame, and wherein the first linking rod includes an end pivotably connected to the lower end of the back frame;a footrest unit movable between an extended state and a folded state, wherein the footrest unit includes a connecting portion and a supporting portion, wherein the connecting portion is pivotably connected to a front end of the seat frame unit and includes an abutting end, and wherein when the footrest unit is in the extended state, the connecting portion is located behind the supporting portion, and the abutting end abuts against the stopper portion of the seat frame;an interlocking unit including a first frame, a second frame, an actuating ...

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05-03-2020 дата публикации

CONTROL SYSTEM FOR A LIFTING CHAIR

Номер: US20200069490A1
Автор: GASSNER CHRISTIAN
Принадлежит: LIMOSS (DONGGUAN) CO., LTD.

A control system for a lifting chair includes: a button (), a sensor (), an actuator () and a control circuit (); the button () is disposed on an edge of a seat back () of a main body () of the lifting chair; the sensor () is configured to detect whether the seat portion () provided on a lifting frame () of the lifting chair is pressed; the actuator () is configured to drive the lifting frame (); the control circuit () is connected to the button (), the sensor (), and the actuator () respectively; and the control circuit () is configured to, after the button () is triggered, control the actuator () according to a pressure condition of the seat portion () to drive the lifting frame () to adjust the posture of the main body (). 1. A control system for a lifting chair , comprising: a button , a sensor , an actuator and a control circuit; whereinthe button is disposed on an edge of a seat back of a main body of the lifting chair; the sensor is configured to detect whether a seat portion provided on a lifting frame of the lifting chair is pressed; the actuator is configured to drive the lifting frame; the control circuit is connected to the button, the sensor, and the actuator respectively; and the control circuit is configured to, after the button is triggered, control the actuator according to a pressure condition of the seat portion to drive the lifting frame to adjust a posture of the main body.2. The control system according to claim 1 , wherein the button is disposed on an edge of top portion of the seat back or on an edge of one of both side portions of the seat back.3. The control system according to claim 1 , wherein the posture comprises a laid-flat state and a tilted-forward state.4. The control system according to claim 1 , further comprising a hand controller claim 1 , wherein the hand controller is electrically connected to the control circuit claim 1 , and the hand controller is configured to send a control signal to the control circuit so that the control ...

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14-03-2019 дата публикации

Foot Ledge

Номер: US20190075927A1
Автор: Corneau Vincent R.
Принадлежит:

The present invention is a foot ledge that, in some aspects, allows a user to hold a foot or heel at a generally fixed position nearer to their body's core. Some embodiments of the invention include a cover, housing a slidably received ledge and end cap assembly that provides a surface for a user's foot or heel. In some examples, a user's body weight can be used to provide the stability needed to use the device and keep the ledge in a relatively stable position. In other examples, hooks or straps can be used to keep the device in place, allowing a user to position themselves at will relative to the foot ledge, 1. A foot ledge comprising:a sheath defining an internal cavity;a ledge movably coupled to the internal cavity of the sheath;an end cap fixed to the ledge on one end; andwherein a surface of the ledge is configured to hold a user's foot.2. The foot ledge claim 1 , wherein a surface of the ledge is configured to hold a user's heel.3. The foot ledge of claim 1 , wherein the end cap is configured to prevent a heel from slipping off the edge of the ledge in the direction of the end cap.4. The foot ledge of claim 3 , wherein the end cap is configured to provide a hand grip to slide the ledge relative to the sheath.5. The foot ledge of claim 4 , wherein the end cap further comprises a raised edge relative to a surface of the ledge;6. The foot ledge of claim 1 , wherein a surface of the ledge further comprises a heel spot configured to hold a user's heel within the heel spot.7. The foot ledge of claim 1 , wherein a surface of the ledge further comprises a non-skid surface.8. The foot ledge of claim 1 , wherein a surface of the ledge is generally planar and further comprises a heel spot; the heel spot comprising a hole in a direction normal to the generally planar surface.9. The foot ledge of claim 1 , wherein a surface of the ledge is generally planar and further comprises a heel spot; the heel spot comprising an indentation in a direction normal to the generally ...

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14-03-2019 дата публикации

Ergonomic Anti Fatigue Base

Номер: US20190075954A1
Автор: SR. James M., vonPingel
Принадлежит:

The present invention provides a foldable mat frame configured to provide seamless transition of mat between a sitting position and standing position. The sitting position allows the user to sit on a chair position at a workstation when the mat is not in use. The standing position allows the user to stand on the mat positioned in front of the work station. The foldable mat frame includes two modes of operation comprising a sliding operation and folding operation for transition of mat position. The foldable frame comprises a DC powered motor unit to provide transition of mat position automatically by sliding operation. 1. A foldable mat frame , comprising:a base rail comprises at least two ends;at least two frame rails, wherein at least one frame rail extends hingedly and perpendicularly from each end of the base rail, and 'wherein the at least two side rails are adapted to fold above the at least two frame rails for storage of the mat and unfold from the at least two frame rails to deploy the mat.', 'at least two side rails configured to secure a mat therebetween the side rails, wherein at least one side rail hingedly extends from each frame rail,'}2. The foldable mat frame of claim 1 , further comprises a spring-loaded latch to hold the side rails folded above the at least two frame rails for storage.3. The foldable mat frame of claim 1 , wherein the mat is foam filled mat.4. The foldable mat frame of claim 1 , wherein the mat comprises a beveled front edge portion.5. The foldable mat frame of claim 1 , further comprises one or more wheels disposed at a base portion of the base rail.6. The foldable mat frame of claim 1 , wherein the mat is secured therebetween the side rails via an adhesive.7. A foldable mat frame claim 1 , comprising:a base rail comprises at least two ends;at least two frame rails, wherein at least one frame rail extends hingedly and perpendicularly from each end of the base rail, and 'wherein the side rails are adapted to retract within the frame ...

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12-06-2014 дата публикации

ADAPTIVE ARM SUPPORT SYSTEMS AND METHODS FOR USE

Номер: US20140158839A1
Автор: Doyle Mark C.
Принадлежит: LEVITATE TECHNOLOGIES, INC.

Systems and methods are provided for supporting an arm of a user using a harness configured to be worn on a body of a user; and an arm support coupled to the harness configured to support an arm of the user, the arm support configured to accommodate movement of the arm while following the movement without substantially interfering with the movement of the user's arm. One or more compensation elements may be coupled to the arm support to apply an offset force to at least partially offset a gravitational force acting on the arm as the user moves and the arm support follows the movement of the user's arm, the one or more compensation elements providing a force profile that varies the offset force based on an orientation of the arm support. 1. A system for supporting an arm of a user , comprising:a harness configured to be worn on a body of a user;an arm support coupled to the harness configured to support an arm of the user, the arm support configured to accommodate movement of the arm while following the movement without substantially interfering with the movement of the user's arm; andone or more compensation elements coupled to the arm support to apply an offset force to at least partially offset a gravitational force acting on the arm as the user moves and the arm support follows the movement of the user's arm, the one or more compensation elements providing a force profile that varies the offset force based on an orientation of the arm support.2. The system of claim 1 , wherein the arm support comprises an arm bracket including an arm rest on a first end thereof claim 1 , and a second end pivotally coupled to the harness such that the arm bracket is pivotable about multiple axes relative to the harness.3. The system of claim 2 , wherein the one or more compensation elements comprises one or more elements mounted on the arm bracket.4. The system of claim 2 , wherein the one or more compensation elements comprise a resilient element mounted on the arm bracket.5. The ...

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26-03-2015 дата публикации

APPARATUS AND SYSTEM FOR TRANSPORTING AN ITEM

Номер: US20150084381A1
Автор: Nelson Greg G.
Принадлежит:

An apparatus and system are disclosed for transporting an item. The apparatus includes a panel and at least one substantially rigid shoulder support. The panel includes a substantially flat material. The shoulder support is pivotably coupled to the panel. The shoulder support is pivotable from a storage position to a transporting position. In the storage position, the shoulder support is positioned adjacent the panel. In the transporting position, the shoulder support extends from the panel 1. An apparatus to transport an item on a user's back , the apparatus comprising:a panel comprising a substantially flat material;at least one substantially rigid shoulder support pivotably coupled to the panel, the at least one substantially rigid shoulder support pivotable from a storage position to a transporting position, wherein, in the storage position, the at least one substantially rigid shoulder support is positioned adjacent the panel and wherein, in the transporting position, the at least one substantially rigid shoulder support extends from the panel.2. The apparatus of claim 1 , wherein the panel comprises at least one of a folding chair back panel and a folding chair seat panel.3. The apparatus of claim 1 , wherein the panel comprises a back panel on a backpack.4. The apparatus of claim 1 , further comprising a substantially rigid frame claim 1 , wherein the at least one shoulder support is pivotably coupled to the panel by the substantially rigid frame.5. The apparatus of claim 4 , wherein the frame comprises at least one of a chair back frame and a chair seat frame claim 4 , the chair back frame having a top end and a bottom end claim 4 , the chair seat frame having a front end disposed opposite a rear end.6. The apparatus of claim 5 , wherein the at least one substantially rigid shoulder support is pivotably coupled to at least one of the top end of the chair back frame and the front end of the chair seat frame.7. The apparatus of claim 5 , further comprising a ...

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26-03-2015 дата публикации

PORTABLE SEAT CUSHION WITH EXTENDING FOOTREST

Номер: US20150084394A1
Принадлежит:

A portable seat cushion with an enclosed leg rest () and footrest () that slides out from its interior in a telescoping manner. The attached leg rest () and footrest () elevate a user's extremities by way of the user's weight sitting upon the seat cushion. No supporting external bracing is required to keep the legs and feet horizontal, or nearly horizontal and above the ground (). The leg rest and footrest can be adjusted by sliding the two components forward or back as needed. The assembly can be used only as a seat cushion () or in the extended position () as an elevated rest, similar to a recliner. The assembly is lightweight and compact for movement from one seat to another. 1. A method for lifting a seated person's feet and legs whereby the weight of a seated person exerts force on one end of an elevated , extendable beam lying on a seat sufficient to support the load on the other end of the beam of the said person's feet and legs.2. The method of wherein the feet of the seated person rise until they are horizontal or nearly horizontal to the seated person's waist.3. The method of wherein no part of the said beam need touch the ground when a seated person sits atop one end of said beam.4. An article of furniture for holding the feet and legs of a sitting human horizontally or nearly horizontally to the said human's waist claim 1 , comprising:(a) A rigid platform having sufficient size to accommodate the buttocks of a human and that lies on a seat,(b) A beam joined horizontally to the said rigid platform and that extends from a retracted position to beyond the confines of the said rigid platform outward and to the front of the seat to accommodate the feet and legs of the sitting human,(c) Said beam having a rigid or semi-rigid platform to support the feet and legs of the sitting human, all without benefit of external bracing. Not ApplicableNot ApplicableNot ApplicableThis invention relates to portable foot and leg rests, specifically to such rests that can be ...

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12-06-2014 дата публикации

ARTICULATED CHAIR HAVING UNIVERSAL RECLINING ARMREST SYSTEM

Номер: US20140159456A1
Принадлежит:

A universal reclining armrest system for use with an articulated examination chair. The system includes an armrest adapter having a universal aperture for receiving a post portion of an armrest assembly. The armrest adapter further includes a splined peg for coupling to a pivoting mechanism of an articulated chair. The pivoting mechanism enables the chair to move throughout an operable range of motion while maintaining a fixed rotational position of an attached armrest adapter. The armrest assembly further includes an adjustable joint to provide 360° of rotational adjustment to the armrest relative to the fixed position of the armrest adapter. 1an articulated chair having a backrest hingedly coupled to a seat, wherein the backrest and the seat are adjustable over an operable range of motion; anda first armrest interchangeably coupled to a first portion of the backrest at a first desired orientation relative to a horizontal plane, the first desired orientation of the first armrest being maintained throughout the operable range of motion of the articulated chair, the first armrest being selectively removable from the first portion of the backrest thereby enabling a second armrest to be interchangeably coupled to the first portion of the backrest at a second desired orientation relative to the horizontal plane, the second desired orientation of the second armrest being maintained throughout the operable range of motion of the articulated chair.. An interchangeable armrest system comprising: This application is a continuation of U.S. patent application Ser. No. 12/982,815, entitled ARTICULATED CHAIR HAVING UNIVERSAL RECLINING ARMREST SYSTEM, filed Dec. 30, 2010, which is a continuation of U.S. patent application Ser. No. 12/324,836, entitled ARTICULATED CHAIR HAVING UNIVERSAL RECLINING ARMREST SYSTEM, filed Nov. 27, 2008, now U.S. Pat. No. 7,862,123, which are all incorporated herein in their entirety.1. Field of the InventionThe present invention relates generally to ...

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