Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2009
Patent Application Number
11623477
Date Filed
January 16, 2007
Patent Primary Examiner
Patent abstract
An image forming apparatus includes a cover frame that holds a held shaft of an optical writing unit to allow a free movement thereof and urges the optical writing unit in a predetermined direction by using an urging coil spring to bring the held portion shaft of the optical writing unit separated from the writing operation position into contact with a contact target portion thereof.
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