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:
May. 29, 2012
Filed:
Aug. 28, 2009
Yoshifumi Takeyama, Mishima, JP;
Yuuki Nakamura, Suntou-gun, JP;
Yoshifumi Takeyama, Mishima, JP;
Yuuki Nakamura, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A drum cartridge detachably mountable to an electrophotographic image forming apparatus, which apparatus including a main assembly, and a supporting member, swingably mounted to the main assembly, for supporting a plurality of developing devices and for bringing the developing devices sequentially to a developing position by rotation thereof, the apparatus including an electrophotographic photosensitive member drum; and a detachable spacer member for moving the supporting member away from the electrophotographic photosensitive member drum by contacting to the supporting member when the drum cartridge is mounted to the main assembly.