Bicycle front derailleur with angle adjustment

Details Bicycle front derailleur with angle adjustment Bicycle front derailleur with angle adjustment

2011-06-21

2011-06-21

Siconolfi, Robert (Department: 3657)

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

Reexamination Certificate

active

07963871

ABSTRACT:
A bicycle front derailleur includes a base member, a movable member, and a chain guide with an angle adjustable plate member. The base member is configured to be coupled to a portion of a bicycle. The movable member has a first support side coupled to the base member and a second support side spaced from the first support side. The movable member is configured to move the second support side between a retracted position and an extended position relative to the base member. The angle adjustable plate member is coupled to the second support side for movement therewith. The chain guide includes a chain cage with the angle adjustable plate member operatively coupled to selectively adjust an angular orientation of the chain cage relative to the angle adjustable plate member.

REFERENCES:
patent: 4199997 (1980-04-01), Isobe
patent: 4199998 (1980-04-01), Isobe
patent: 4486182 (1984-12-01), Coue
patent: 4516961 (1985-05-01), Coue
patent: 4617006 (1986-10-01), Nagano
patent: 5846148 (1998-12-01), Fujii
patent: 6009771 (2000-01-01), Desenclos et al.
patent: 2005/0204846 (2005-09-01), Valle et al.
patent: 1 547 914 (2005-06-01), None

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