Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 14, 2007
Patent Application Number
11416032
Date Filed
May 2, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A bicycle gear-shift actuator having an articulated quadrilateral support with four connecting rods hinged together by four pin elements, and a motor member, having a variable length output shaft that travels along a drive axis between two opposite pin elements to move them for deforming the articulated quadrilateral. Preferably, the drive axis perfectly intersects the pin axis of at least one of the two pin elements.
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