Bicycle with rear suspension
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United States of America Patent
Stats
-
Jul 1, 2008
Grant Date -
Sep 13, 2007
app pub date -
Apr 5, 2007
filing date -
Mar 2, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A bicycle frame set comprising a main frame and a rear wheel suspension system including a swing-arm, a first link member and an intermediate lower link member. The swing arm has a forward end pivotally connected to the main frame. The swing-arm pivots such that a rear wheel axle on the swing-arm pivots about the lower pivot point on the frame with a constant radius of rotation. The first link member is pivotally connected to the main frame at a link pivot point, and has a displaceable lower end pivotable about the link pivot point. The intermediate lower link member is pivotally connected between the first link member and the swing-arm. The first link member rotates in a direction opposite to the rotation of the swing-arm as the suspension system compresses. A shock absorber is disposed between the first link member and the main frame.
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