Patent ID: 7222881

Claim:
An anti-tip system for a wheelchair comprising: an arm having an attachment end, and a distal end, wherein the arm is pivotably mounted at the attachment end on a wheelchair frame, the wheelchair frame including a wheelchair frame member, and wherein an anti-tip wheel is rotatably connected to the distal end of the arm; and an adjustable stop for limiting the range of motion of the arm relative to the wheelchair frame member, the stop being operably located between the arm and the frame member, wherein, when the stop is limiting the range of motion of the arm relative to the frame member, a face of the stop is in contact with a surface of one of the arm and the frame member, and when the stop is not limiting the range of motion of the arm relative to the frame member, the face of the stop is spaced apart from the surface of the one of the arm and the frame member.