Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 5, 2009
Patent Application Number
11766585
Date Filed
June 21, 2007
Patent Primary Examiner
Patent abstract
A scan guide upon image reading by an image reading apparatus having a driving mechanism constructed by a rack and a pinion gear is stably performed. The pinion gear is provided on a downstream side of two contact portions which are in contact with a guide rail of the reading scan. A straight line drawn in a pressure angle direction from a contact point of the rack and the pinion gear upon reading and scanning passes between the two contact portions with the guide rail, so that a stable positional relation between a driving force of the gear and the contact portions is obtained. The stable guiding can be performed.
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