Patent ID: 7996939
Filing Date: 2011-08-16
Classification: A61G

Abstract:
1. A hydraulically powered lift ambulance cot comprising: a wheeled base having a first slide member slidably supported by a longitudinally extending lower guide; a support frame having a second slide member slidably supported by a longitudinally extending upper guide, said support frame is disposed above said wheeled base; a support mechanism which supports said support frame relative to said wheeled base, said support mechanism is pivotably connected to said support frame, said wheeled base, said first slide member, and said second slide member; wherein said support mechanism is an x-frame that includes a first pair of parallel legs and a second pair of parallel legs, respective ones of the pairs of legs are pivotably connected at an intermediate location by a pivot brace; a hydraulic lift system pivotably mounted at a first end to said first slide member, and at a second end to said support mechanism, said hydraulic system comprising: