[특허]Automated systems for powered cots

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-007/02 A61G-001/056 A61G-001/02
출원번호	US-0414812 (2013-07-19)
등록번호	US-9248062 (2016-02-02)
국제출원번호	PCT/US2013/051271 (2013-07-19)
국제공개번호	WO2014/015255 (2014-01-23)
발명자 / 주소	Valentino, Nicholas V. Palastro, Matthew Shen, Zhen Y. Wells, Timothy R. Schroeder, Timothy Paul Markham, Joshua James Potak, Robert L.
출원인 / 주소	Ferno-Washington, Inc.
대리인 / 주소	Dinsmore & Shohl LLP
인용정보	피인용 횟수 : 3 인용 특허 : 50

초록 ▼

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

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.

대표청구항 ▼

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, the front leg and the back leg each being slidingly coupled to the support frame;a front actuator coupled to the front leg, wherein the front actuator slides the front

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, the front leg and the back leg each being 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; andone or more processors communicatively coupled to the front actuator and the back actuator, wherein the one or more processors execute machine readable instructions to: receive signals from one or more sensors indicative of a position of the front end of the cot and the front leg; andactuate 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 wherein the one or more sensors comprises a front actuator sensor communicatively coupled to the one or more processors, wherein the front actuator sensor measures force applied to the front actuator and communicates a front actuator force signal correlated to the force applied to the front actuator; andwherein the one or more sensors further comprises a back actuator sensor communicatively coupled to the one or more processors, wherein the back actuator sensor measures force applied to the back actuator and communicates a back actuator force signal correlated to the force applied to the back actuator, wherein the one or more processors execute machine readable instructions to determine whether the front actuator force signal is indicative of tension and whether the back actuator force signal is indicative of compression, and wherein the back leg is automatically extended such that the support frame is automatically maintained in a substantially level orientation when the front actuator force signal indicates that the front actuator is under tension and the back actuator force signal indicates that the back actuator is under compression. 2. 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, and wherein the one or more processors execute machine readable instructions to determine whether the front leg is retracted the predetermined amount based at least in part upon the front angle. 3. The cot of claim 2, wherein the front angular sensor is a potentiometer rotary sensor or a hall effect rotary sensor. 4. The cot of claim 2, wherein the one or more sensors comprise a back angular sensor that measures a back angle between the back leg and the support frame and communicates a back angle signal to the one or more processors, and wherein the back angle signal is correlated to the back angle. 5. The cot of claim 4, wherein the back angular sensor is a potentiometer rotary sensor or a hall effect rotary sensor. 6. The cot of claim 4, wherein the one or more processors execute machine readable instructions to determine a difference between the back angle and the front angle based at least in part upon the front angle signal and the back angle signal. 7. The cot of claim 6, wherein the one or more processors execute machine readable instructions to compare the difference between the back angle and the front angle to a predetermined angle delta, and wherein the back leg is automatically extended, when the difference between the back angle and front angle is greater than or equal to the predetermined angle delta. 8. The cot of claim 1, wherein the one or more sensors comprise a distance sensor that measures a distance indicative of a position of the front leg, the back leg, or both with respect to the support frame and communicates a distance signal to the one or more processors, and wherein the distance signal is correlated to the distance. 9. The cot of claim 1, wherein the one or more sensors comprise a distance sensor that measures a distance indicative of a position the front end of the cot with respect to the surface and communicates a distance signal to the one or more processors, and wherein the distance signal is correlated to the distance. 10. The cot of claim 9, wherein the distance sensor is coupled to the support frame or the back actuator. 11. The cot of claim 9, wherein the distance sensor is an ultrasonic sensor, a touch sensor, or a proximity sensor. 12. The cot of claim 1, wherein the one or more processors execute machine readable instructions to abort actuation of the back actuator if a position of the back leg with respect to the back end of the cot fails to change for a predetermined amount of time after the back actuator is actuated.

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이 특허에 인용된 특허 (50) 인용/피인용 타임라인 분석

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