Bicycle ratchet bushing
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United States of America Patent
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Apr 11, 2006
Grant Date -
Jun 30, 2005
app pub date -
Dec 29, 2003
filing date -
Dec 29, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
This invention discloses a bicycle ratchet bushing, comprising a bushing for coupling to a connecting axle rod to drive the bicycle wheel to rotate, a pawl ring disposed on the inner side of the bushing, a plurality of pawls interdentally dispersed around the outer periphery of the ratchet ring, a resilient ring surrounding each pawl, such that the inner end of the pawl is a pivotal circular turning end, and the outer end is a moving end capable of opening outwards and retracting, and a pawl ring being sheathed outside the ratchet wheel, such that a buffer space is designed at the internal diameter of the pawl ring to prevent noise production from friction between the resilient ring and the pawl ring of the bushing.
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