Hub assembly for a bicycle

Details Hub assembly for a bicycle Hub assembly for a bicycle

2007-04-26

2009-02-03

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Velocipede free wheel

C301S110500, C277S529000

Reexamination Certificate

active

07484609

ABSTRACT:
A hub assembly for a bicycle includes a hub shell rotatably mounted on a hub axle, a plurality of pawls disposed respectively in retreat bores in the hub shell to be moved between driven and idle positions, a chainring carrier rotatably mounted on the hub axle, a surrounding drive member coupled with the chainring carrier and having an annular ratchet segment to be coupled with the pawls so as to form a uni-directional mechanism, and an annular barrier member that confronts an annular insertion opening in the hub shell, and a shielding member including a rim which is water-tightly engaged with the insertion opening, and an annular flexible web body which has a tubular tail portion that is kept in frictional contact with a protrusion of the annular barrier member.

REFERENCES:
patent: 6322155 (2001-11-01), Chen
patent: 6386644 (2002-05-01), Chen
patent: 6827497 (2004-12-01), Chen
patent: 7121394 (2006-10-01), Chen
patent: 2005/0139444 (2005-06-01), Kanehisa et al.
patent: 2008/0006500 (2008-01-01), Spahr

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