Electric mid-wheel drive wheelchair
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United States of America Patent
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Apr 26, 2016
Grant Date -
Jan 15, 2015
app pub date -
Sep 30, 2014
filing date -
Jul 15, 2010
priority date (Note) -
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Abstract
A wheelchair of the mid-wheel drive type has a chassis frame (10), a pair of front link arms (30) and a pair of rear link arms. The link arms are pivotally connected to the chassis frame. Front caster wheels (32) and drive wheels (53) are fixed to the front link arms. Rear caster wheels (42) are fixed to the rear link arms. Each front link arm (30) is operatively connected to an adjacent rear link arm (40) by a respective coupling (70), which is arranged to transmit pivotal movement of one of the front (30) and rear (40) link arm to an opposite pivotal movement of the other of the front (30) and rear (40) link arm.
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Family
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