Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 30, 2011
Patent Application Number
11825701
Date Filed
July 9, 2007
Patent Primary Examiner
Patent abstract
A fixed support is provided on a base member near a moving lever. A moving support is provided on the moving lever. A coil spring comprises a coil and a pair of arms extending from the coil. The fixed support is wound with the coil. The moving support is held between the two arms of the coil spring and pressed by outward force of the coil spring thereby assuring smooth reverse of a direction of the force.
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