Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
2006-09-05
2006-09-05
Kim, Chong H. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Hand operated
C192S217000
Reexamination Certificate
active
07100471
ABSTRACT:
A control device is configured to be attached to the handlebar of a bicycle for controlling a brake mechanism and change speed mechanism. The control device comprises a bracket fixed to the handlebar, a brake lever pivotally coupled crosswise relative to the bracket and a release lever. The brake mechanism is controlled by fore and aft pivotal movement of the brake lever, while the change speed mechanism is controlled by sideways pivotal movement of the brake lever and the release lever. The brake lever and the release lever are further configured relative to the bracket for smooth easy operation by the rider.
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Reference A (STI): Drawings of model ST-7700-c by Road Bike Component Technology.
Reference B (Dura-Ace): http://dura-ace.shimano.com/publish/content/duraace/en/home/history/7700.html.
Shimano Technical Information Documents for ST-7700; available in U.S. in 2002.
Irie Yoshinori
Sato Hisayuki
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