Patent ID: 8387184

Claim:
A patient support apparatus comprising a frame, a seat section supported by the frame, a thigh section situated adjacent the seat section, a head section coupled to the frame and being raiseable and lowerable relative to the frame, a linkage coupled to the head, seat, and thigh sections, the linkage having a first mode of operation in which the seat and thigh sections remain substantially parallel to each other as the head section is raised and lowered, and the linkage having a second mode of operation in which the thigh section tilts relative to the seat section as the head section is raised and lowered, and a handle coupled to the head section and coupled to the linkage, the handle being movable relative to the head section between a first position in which the linkage is in the first mode of operation and a second position in which the linkage is in the second mode of operation, wherein the linkage comprises a cam supported by the frame, the linkage comprises a roller assembly interposed between the thigh section and the cam, and the cam moves beneath the roller assembly to move the roller assembly thereby to tilt the thigh section relative to the seat section.