Anti-tip wheel for a wheelchair

Details Anti-tip wheel for a wheelchair Anti-tip wheel for a wheelchair

A - Human Necessities

61

G

A61G 5/04 (2006.01) A61G 5/06 (2006.01) A61G 5/10 (2006.01)

Patent

CA 2467982

A wheelchair is provided with front anti-tip wheels adapted to assist the wheelchair in mounting an obstacle that the wheelchair approaches obliquely. The anti-tip wheels may function as casters, capable of rotating about a vertical axis, or may be fixed for rotation about a horizontal axis only. The anti-tip wheels may include lateral convex surfaces which tend to allow the anti-tip wheel to slide or roll over the obstacle. The lateral convex surfaces may be provided by a laterally oriented rolling element, a convex-shaped hub, a convex- shaped housing that partially surrounds the wheel, or a ball-shaped wheel. Alternatively, rotation of the anti-tip wheel may be controlled such that the wheel rolling surface faces and engages the obstacle.

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