US Patent 10232504 Creeper with adjustable headrest

A creeper includes a headrest pad, a body pad carried by a frame, and a hinge assembly between the headrest pad and the body pad. The hinge assembly includes a first bracket attached to the headrest pad and a second bracket attached to the body pad. A first arm is connected to each end of said first bracket and a second arm is attached to each end of the second bracket. A ratcheting hinge is connected between the first arms and between the second arms so that the headrest pad can be positioned at multiple locations relating to the body pad.