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:
Apr. 22, 1997
Filed:
Dec. 12, 1994
Tadayuki Tsuda, Kawasaki, JP;
Kazumi Sekine, Kawasaki, JP;
Isao Ikemoto, Kawasaki, JP;
Kazushi Watanabe, Yokohama, JP;
Yoshikazu Sasago, Tokyo, JP;
Shinya Noda, Yokohama, JP;
Kazunori Kobayashi, Kawasaki, JP;
Kazuhiko Ishiwata, Tokyo, JP;
Kazuo Shishido, Kawasaki, JP;
Kanji Yano, Kawasaki, JP;
Hiroyuki Shirai, Tokyo, JP;
Makoto Tanaka, Tokyo, JP;
Shinichi Sasaki, Fujisawa, JP;
Yoshiya Nomura, Tokyo, JP;
Toshiyuki Karakama, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge includes a first frame in which a toner containing unit for containing toner used for a developing operation and a charger unit are mounted, and a second frame which can be engaged by and disengaged from the first frame, and in which an image bearing member, a developing unit and cleaning unit are mounted. With this arrangement, the assembling ability and disassembling ability are improved remarkably, and the process cartridge is suitable for the re-cycling to contribute to the protection of the earth-environment.