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:
Oct. 30, 2001
Filed:
Nov. 12, 1999
Akira Higeta, Funabashi, JP;
Hideshi Kawaguchi, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge detachably mountable to a main body of an image forming apparatus includes an electrophotographic photosensitive drum, a process device acting on the electrophotographic photosensitive drum, and a cartridge side positioning portion adapted to contact and be positioned by the positioning portion of the main body of the image forming apparatus when the process cartridge is mounted to the main body of the image forming apparatus. The cartridge has on or near the cartridge side positioning portion a detecting action portion for operating a cartridge detecting device for detecting the mounting of the process cartridge provided in the main body of the image forming apparatus when the process cartridge has been mounted at a mounting position in the main body of the image forming apparatus.