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
2009-01-22
2011-11-15
Dondero, William E (Department: 3654)
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including belt shiftable axially from one to another surface...
C474S082000
Reexamination Certificate
active
08057332
ABSTRACT:
A bicycle derailler is basically provided with a base member, a movable member, a coupling member and a cable actuation ratio control mechanism. The movable member supports a chain guide. The coupling member movably couples the movable member to the base member. The cable actuation ratio control mechanism includes first and second link members. The first link member has a pivoting portion, a cable connection portion and a second link coupling portion. The pivoting portion is pivotally mounted to one of the coupling member and the base member. The cable connection portion is located on one side of the pivoting portion, while the second link coupling portion is located on the other side of the pivoting portion. The second link member is coupled to the first link member at the second link coupling portion and pivotally mounted to one of the movable member and the coupling member.
REFERENCES:
patent: 5533937 (1996-07-01), Patterson et al.
patent: 5620383 (1997-04-01), Patterson et al.
Kodama Michihiro
Takachi Takeshi
Dondero William E
Global IP Counselors, LLP
Shimano Inc.
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