Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 19, 2012
Patent Application Number
12126958
Date Filed
May 26, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A bicycle derailleur apparatus comprises a base member for coupling to a bicycle frame, a movable member coupled for movement relative to the base member, a chain guide coupled to the movable member for guiding a chain among a plurality of sprockets in response to movement of the movable member, and a biasing device that provides a biasing force to the chain guide for tensioning the chain. A movement resisting device has a control element for the application of a signal that causes the movement resisting device to change resistance to movement of the chain guide.
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