Automated systems for powered cots

摘要

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.

主权项

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; and one 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; and wherein 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.