Powered roll-in cots

According to one embodiment, a roll-in cot may include a support frame, a pair of back legs, a pair of front legs, and a cot actuation system. The pair of back legs and the pair of front legs can be slidingly coupled to the support frame. Each of the pair of front legs can include a front wheel and an intermediate load wheel. The intermediate load wheel is offset from the front wheel by a load wheel distance. A front actuator can raise the pair of front legs such that the front wheel and the intermediate load wheel of each of the pair of front legs are aligned along a loading level. The intermediate load wheel of each of the pair of front legs can be offset from the pair of back legs by a loading span. The load wheel distance can be greater than the loading span.

POWERED COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator.

POWERED ROLL-IN COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of back legs, a pair of front legs, and a cot actuation system. The pair of back legs and the pair of front legs can be slidingly coupled to the support frame. Each of the pair of front legs can include a front wheel and an intermediate load wheel. The intermediate load wheel is offset from the front wheel by a load wheel distance. A front actuator can raise the pair of front legs such that the front wheel and the intermediate load wheel of each of the pair of front legs are aligned along a loading level. The intermediate load wheel of each of the pair of front legs can be offset from the pair of back legs by a loading span. The load wheel distance can be greater than the loading span. 1. A method for actuating a roll-in cot wherein the roll-in cot comprises a support frame , a pair of legs slidingly and pivotally engaged with the support frame , and an actuator coupled to the pair of legs , and wherein the actuator is operable actuate the pair of legs such that the pair of legs slide and rotate with respect to the support frame , the method comprising:receiving from an actuator sensor, automatically with a processor, a load signal indicative of a force acting upon or exerted by the actuator;receiving a control signal indicative of a command to change a height of the roll-in cot;causing the actuator to actuate the pair of legs relatively slowly;determining, automatically with the processor, that the actuator is unloaded based upon the load signal; andcausing, automatically with the processor, the actuator to actuate the pair of legs at a higher rate, wherein the pair of legs is actuated at the higher rate after the actuator is determined to be unloaded.2. The method of claim 1 , wherein the actuator sensor comprises a proximity sensor claim 1 , a strain gauge claim 1 , a load cell claim 1 , or a hall-effect sensor.3. The method of claim 1 , wherein the force is indicative of the actuator ...

POWERED ROLL-IN COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator. 1. A cot comprising:a support frame comprising a front end, and a back end;a pair of front legs pivotally coupled to the support frame, wherein each front leg comprises at least one front wheel;a pair of back legs pivotally coupled to the support frame, wherein each back leg comprises at least one back wheel; the front actuator and the back actuator are configured to raise or lower the support frame in tandem;', 'the front actuator is configured to raise or lower the front end of the support frame independently of the back actuator; and', 'the back actuator is configured to raise or lower the back end of the support frame independently of the front actuator., 'a cot actuation system comprising a front actuator that moves the front legs and a back actuator that moves the back legs, wherein'}2. The cot of further comprising a front actuator sensor and a back actuator sensor that detect whether the front actuator and the back actuator respectively are under tension or compression.3. The cot of wherein the front actuator sensor and the back actuator sensor measure weight supported by the roll-in cot.4. The cot of wherein the cot actuation system comprises a manual release component ...

Powered roll-in cots

According to one embodiment, a roll-in cot may include a support frame, a pair of back legs, a pair of front legs, and a cot actuation system. The pair of back legs and the pair of front legs can be slidingly coupled to the support frame. Each of the pair of front legs can include a front wheel and an intermediate load wheel. The intermediate load wheel is offset from the front wheel by a load wheel distance. A front actuator can raise the pair of front legs such that the front wheel and the intermediate load wheel of each of the pair of front legs are aligned along a loading level. The intermediate load wheel of each of the pair of front legs can be offset from the pair of back legs by a loading span. The load wheel distance can be greater than the loading span.

POWERED COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator. 1. A cot comprising:a support frame comprising a front end, and a back end;a pair of front legs pivotally coupled to the support frame, wherein each front leg comprises at least one front wheel;a pair of back legs pivotally coupled to the support frame, wherein each back leg comprises at least one back wheel;a cot actuation system comprising a front actuator that moves the front legs and a back actuator that moves the back legs, whereinthe support frame comprises a pair of parallel lateral side members extending between the front end and the back end;the pair of parallel lateral side members comprise tracks;each front leg comprises a front carriage member slidingly engaged with the tracks, and each back leg comprises a back carriage member slidingly engaged with the tracks;the front actuator and the back actuator are configured to raise or lower the support frame together;the front actuator is configured to raise or lower the front end of the support frame separately from the back actuator; andthe back actuator is configured to raise or lower the back end of the support frame separately from the front actuator.2. The cot of wherein the cot actuation system comprises a manual ...

AUTOMATED SYSTEMS FOR POWERED COTS

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount. 1. A cot comprising:a support frame extending between a front end of the cot and a back end of the cot;a front leg and a back leg slidingly coupled to the support frame, wherein the front leg and the back leg retract and extend to facilitate loading or unloading from a support surface;a middle portion disposed between the front end of the cot and the back end of the cot; anda line indicator coupled to the cot, wherein the line indicator projects an optical line indicative of the middle portion of the cot.2. The cot of claim 1 , further comprising:an intermediate load wheel coupled to the front leg between a proximal end and a distal end of the front leg, wherein the intermediate load wheel is substantially aligned with the optical line during loading or unloading.3. The cot of claim 2 , wherein the intermediate load wheel is a fulcrum during loading or unloading.4. The cot of claim 2 , wherein the intermediate load wheel is located at a center of balance of the cot during the loading or unloading.5. The cot of claim 1 , further comprising: receive signals from one or more sensors indicative of the front end of the cot; and', 'cause the line indicator to project the optical line, when the front end of the cot is ...

POWERED ROLL-IN COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of back legs, a pair of front legs, and a cot actuation system. The pair of back legs and the pair of front legs can be slidingly coupled to the support frame. Each of the pair of front legs can include a front wheel and an intermediate load wheel. The intermediate load wheel is offset from the front wheel by a load wheel distance. A front actuator can raise the pair of front legs such that the front wheel and the intermediate load wheel of each of the pair of front legs are aligned along a loading level. The intermediate load wheel of each of the pair of front legs can be offset from the pair of back legs by a loading span. The load wheel distance can be greater than the loading span. 1. A roll-in cot comprising:a support frame comprising a front end, and a back end;a back carriage member slidingly engaged with the support frame;a pair of back legs rotatably coupled to the back carriage member, wherein each of the pair of back legs comprises a wheel linkage and a back wheel coupled to the wheel linkage, and wherein each of the pair of back legs defines a back leg span that extends from the back carriage member through the wheel linkage;a pair of front legs slidingly coupled to the support frame, wherein each of the pair of front legs comprises a front wheel and an intermediate load wheel having an axis of rotation, and wherein an intermediate span is demarcated by the axis of rotation of the intermediate load wheel and the back carriage member; and the front actuator retracts the pair of front legs such that the intermediate load wheel is supported by a loading surface;', 'the back actuator retracts the pair of back legs such that the back wheel is supported by a lower surface;', 'the lower surface is lower than the loading surface;', 'a back leg angle θ is formed between the back leg span and the intermediate span; and', 'the back leg angle θ is an acute angle., 'a cot actuation system ...

AUTOMATED SYSTEMS FOR POWERED COTS

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount. 1. A method of automatically articulating a powered ambulance cot to load a patient into an emergency vehicle having a loading surface , the method comprising: a support frame provided with a pair of front load wheels;', 'a pair of front legs each having a front wheel and an intermediate load wheel;', 'a pair of back legs each having a back wheel;', 'a cot actuation system; and', 'a cot control system which detects a presence of a signal requesting a change in elevation of the support frame and which is operably connected to the cot actuation system to control raising and lowering of the pair of front legs and the pair of back legs relative to the support frame;, 'configuring the power ambulance cot to compriseraising the support frame with the cot actuation system to a height which places the front load wheels above the loading surface of the emergency vehicle in response to the cot control system detecting presence of a signal requesting the support frame be raised;rolling the powered ambulance cot towards the emergency vehicle until the front load wheels are over the loading surface;lowering the support frame with the cot actuation system until the front load wheels contact the loading surface in response to the ...

AUTOMATED SYSTEMS FOR POWERED COTS

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount. 1. A cot comprising:a support frame extending between a front end of the cot and a back end of the cot;a front leg and a back leg slidingly coupled to the support frame;a front actuator coupled to the front leg, wherein the front actuator slides the front leg along the support frame to retract and extend the front leg;a back actuator coupled to the back leg, wherein the back actuator slides the back leg along the support frame to retract and extend the back leg; and receive signals from one or more sensors indicative of the front end of the cot and the front leg; and', 'actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount., 'one or more processors communicatively coupled to the front actuator and the back actuator, wherein the one or more processors execute machine readable instructions to2. The cot of claim 1 , wherein the one or more sensors comprise a front angular sensor that measures a front angle between the front leg and the support frame and communicates a front angle signal to the one or more processors such that the front angle signal is correlated to the front angle ...

POWERED COTS

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator. 1. A roll-in cot comprising:a support frame;front and back carriage members slidably movable along the support frame;a pair of front legs each defining a proximal end and a wheeled distal end, wherein the proximal end of each of the pair of front legs is pivotally coupled to the support frame through the front carriage member such that the pair of front legs slide and pivot together relative to the support frame; anda pair of back legs each defining a proximal end and a wheeled distal end, wherein the proximal end of each of the pair of back legs is pivotally coupled to the support frame through the back carriage member such that the pair of back legs slide and pivot together relative to the support frame, and wherein movement of the pair of front and the pair of back legs takes place independently of one another and laterally-spaced apart from one another by a different distance relative to the support frame such that irrespective of whether one or both of the pair of front legs and the pair of back legs are in a retracted or extended position, the pair of front legs are longitudinally crossed relative to the pair of back legs when viewed from a side of the roll-in cot.2. The ...

Powered roll-in cots

According to one embodiment, a roll-in cot may include a support frame, a pair of back legs, a pair of front legs, and a cot actuation system. The pair of back legs and the pair of front legs can be slidingly coupled to the support frame. Each of the pair of front legs can include a front wheel and an intermediate load wheel. The intermediate load wheel is offset from the front wheel by a load wheel distance. A front actuator can raise the pair of front legs such that the front wheel and the intermediate load wheel of each of the pair of front legs are aligned along a loading level. The intermediate load wheel of each of the pair of front legs can be offset from the pair of back legs by a loading span. The load wheel distance can be greater than the loading span.

Powered Roll-in Cots

Disclosed is a cot comprising: a support frame comprising a front end, and a back end; a pair of front legs pivotally coupled to the support frame, wherein each front leg 5 comprises at least one front wheel; a pair of back legs pivotally coupled to the support frame, wherein each back leg comprises at least one back wheel; a cot actuation system comprising a front actuator that moves the front legs and a back actuator that moves the back legs; 10 a front actuator sensor that detects whether the front legs are in contact with a surface beneath the support frame or the front legs are out of contact with the surface beneath the support frame; a back actuator sensor that detects whether the back legs are in contact with the surface beneath the support frame or the back legs are out of contact with the surface 15 beneath the support frame, wherein the front actuator and the back actuator are configured to raise or lower the support frame in tandem; the front actuator is configured to raise or lower the front end of the support frame independently of the back actuator; and the back actuator is configured to raise or lower the back end of the support frame 20 independently of the front actuator.

Powered roll-in cots

Automated systems for powered cots

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount.

Motorized, ROLLING stretchers

Powered roll-in cots

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator.

Automated systems for powered cots

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount.

Powered roll-in cots

Automated systems for powered cots

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount.

Powered roll-in cots

According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator.

Powered roll-in cots

According to one embodiment, a cot (10) comprises a support frame (12) for supporting a patient above a loading surface (500) of an emergency vehicle, the support frame comprising a front end (17), and a back end (19); a pair of front legs (20), wherein each front leg comprises at least one front wheel (26); a pair of back legs (40), wherein each back leg comprises at least one back wheel (46); a cot actuation system comprising a front actuator (16) that moves the front legs and a back actuator (18) that moves the back legs, wherein the front actuator and the back actuator raise or lower the support frame together; the front actuator is configured to raise or lower the front end of the support frame separately from the back actuator; and the back actuator is configured to raise or lower the back end of the support frame separately from the front actuator. The roll-in cot further comprises a control box (50) configured to receive a signal from one or more sensors which detect the location of the roll-in cot relative to the loading surface; and the operation of the back actuator is dependent upon the location of the cot relative to the loading surface based on a signal from the sensor.

Powered roll-in cots

Automated systems for powered cots

Automated systems for powered cots

A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount.