Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 24, 2008
Patent Application Number
11275164
Date Filed
December 16, 2005
Patent Primary Examiner
Patent abstract
A coupling member to be engaged by snap hooking with an engaging hole provided to a driving portion of a main assembly of an image forming apparatus is provided with a snap hook portion at an entire peripheral surface thereof so as to prevent idle running at the time of start of rotation of the driving portion to obviate an impingement shock when the coupling member is caused to impinges on a rib provided to the driving portion.
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