Tilt-mechanism-integrated suspension mechanism
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United States of America Patent
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Apr 9, 2013
Grant Date -
Sep 30, 2010
app pub date -
Oct 17, 2008
filing date -
Oct 23, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A simplified tilt-integrated suspension mechanism includes first and second supporting legs to support an upper frame and a lower frame on one side of a seat section, and third and fourth supporting legs to support the lower frame and the upper frame on the other side of the seat section. The first and third supporting legs are pivotally connected to the upper frame on the same axial line. The second and fourth supporting legs each include a lower supporting leg portion pivotally connected to the lower frame, and an upper supporting leg portion pivotally connected to the lower supporting leg portion by a pivot pin and slidably joined to the upper frame. A releasable locking means may also be provided.
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