Ergonomic wheelchair propulsion system
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United States of America Patent
Stats
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Feb 7, 2012
Grant Date -
Dec 23, 2010
app pub date -
Dec 15, 2009
filing date -
Aug 1, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present application pertains to a wheelchair having a frame; a seat attached to the frame and supporting a user; two lateral drive wheels mounted on essentially horizontal axes; and a propulsion system including a handle, an operating lever supporting said handle and having a friction element mounted onto the operating lever. The operating lever is movable axially with respect to one axis between a first and second position and radially. The friction element is arranged and constructed to frictionally engage said drive wheel in the first position and radial movement of the propulsion system propels the chair in a predetermined direction.
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Family
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