The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2011
Filed:
Oct. 24, 2008
Shinichi Sugiyama, Kashiwa, JP;
Shinichi Sugiyama, Kashiwa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member, a rotatable belt member configured to contact the image bearing member, a belt unit configured to support the belt member and removably mounted on the image forming apparatus, an operation unit disposed on the belt unit, a belt unit moving mechanism configured to cause the belt member to contact the image bearing member when the operation unit is in a first position and to cause the belt member to separate from the image bearing member when the operation unit is in a second position, and a tensile force releasing mechanism configured to release a tensile force applied to the belt member when the belt unit is pulled out from the image forming apparatus and the operation unit is in a third position.