Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 8, 2008
Patent Application Number
11396626
Date Filed
April 4, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
An actuator 23d for pushing a plurality of friction plates 44, 44 to a plurality of plates 37, 37 to be braked is composed of members including electroactive polymer, the shape of the elastomer of which is changed by electric energy.
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