Bicycle ratchet bushing

Details Bicycle ratchet bushing Bicycle ratchet bushing

2006-04-11

2006-04-11

Bonck, Rodney H. (Department: 3681)

192 clutches and power-stop control

Clutches

Velocipede free wheel

C192S046000, C192S10700R, C192S108000

Reexamination Certificate

active

07025186

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.

REFERENCES:
patent: 3166171 (1965-01-01), Schwerdhofer et al.
patent: 4328882 (1982-05-01), Isobe
patent: 5857390 (1999-01-01), Whiteford
patent: 6155394 (2000-12-01), Shook
patent: 102 18 664 (2003-11-01), None

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