Patent ID: 7694990
Filing Date: 2010-04-13
Classification: A61G

Abstract:
1. A manually powered anti-tip wheelchair, comprising: a frame, the frame providing structural support for a seat; a pair of drive wheels, each of the pair of drive wheels having an axis of rotation; at least one front wheel mounted to a portion of the frame; at least one anti-tip assembly, comprising: a stop device mounted on one of the pivot arm or the frame, the stop device selectively contacting the other of the pivot arm or the frame to limit the movement of the frame and pivot arm relative to each other, the stop device positioned to permit the frame to tilt back into a predetermined stable tilted position with the at least one front wheel in a raised position in such a manner that a user may sit in the seat of the wheelchair with the at least one front wheel engaging the ground surface, tilt the frame back into the predetermined stable tilted position, and operate the wheelchair with the at least one front wheel in the raised position.