Anti-rollback mechanism for a wheelchair
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United States of America Patent
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Apr 18, 2023
Grant Date -
N/A
app pub date -
Feb 18, 2020
filing date -
Feb 18, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An anti-pushback mechanism for a wheelchair provides for a side mounted lever to allow the wheelchair to move in a forward motion only, a rearward motion only, or a neutral position where it can be pushed in any direction. This lever is connected to a ratcheting style gear that stops rollback when engaged. A torsion spring moves the chair forward slightly as the user stands to keep the chair close to the user and prevent falling. The invention may be provided as an add-on kit for existing wheelchairs. The kit would consist of a center axle, the ratchet gear, the torsion spring, the crossbar frame, the actuating lever, a guard for the lever, and any associated clamps and fasteners.
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