DUAL-TRACK TILT MECHANISM
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Dec 23, 2014
filing date -
Oct 1, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to a tilt-in-space wheelchair that limits the shift of the center of a gravity of a wheelchair occupant during tilting. The wheelchair comprises a main frame adapted to be supported on a surface by wheels, a seat frame for supporting a occupant, and an arc plate for slidably or rollably supporting the seat frame with respect to the main frame. The arc plate defines a first track and a second track that guide the tilting of the seat frame relative to the frame. The first track and second track may have non-constant curvatures. Further, the first track and second track may be arranged non-concentrically on the arc plate and may have different lengths.
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