Rear sprocket for bicycle transmission

Details Rear sprocket for bicycle transmission Rear sprocket for bicycle transmission

2005-05-11

2008-10-14

Ridley, Richard WL (Department: 3682)

Endless belt power transmission systems or components

Positive drive pulley or guide roll

C474S902000, C474S903000

Reexamination Certificate

active

07435197

ABSTRACT:
A bicycle transmission has among other things a rear hub with a freewheel with an outer freewheel body supporting a plurality of sprockets. A chain is shifted between adjacent pairs of the sprockets by a rear derailleur. Each sprocket includes inner attachment portion and a chain engaging portion having annular root portion and a plurality of teeth. The largest (low gear) sprocket has one or more recesses in the lateral surface that faces towards the center of the bicycle so that the largest (low gear) sprocket overlaps the abutments of the outer freewheel body.

REFERENCES:
patent: 4047603 (1977-09-01), Ozaki
patent: 4121474 (1978-10-01), Arregui Suinaga
patent: 4324323 (1982-04-01), Campagnolo
patent: 4580670 (1986-04-01), Nagano
patent: 4869710 (1989-09-01), Iwasaki
patent: 5194051 (1993-03-01), Nagano
patent: 5738197 (1998-04-01), Kroger et al.
patent: 5788593 (1998-08-01), Tiong
patent: 5882088 (1999-03-01), Yahata
patent: 5954604 (1999-09-01), Nakamura
patent: 6013001 (2000-01-01), Miyoshi
patent: 6102821 (2000-08-01), Nakamura
patent: 6340338 (2002-01-01), Kamada
patent: 6382381 (2002-05-01), Okajima et al.
patent: 6866604 (2005-03-01), Kamada et al.

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