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:
Jun. 20, 1989
Filed:
Nov. 05, 1987
Toshirou Kasamura, Yokohama, JP;
Masafumi Takagi, Kawasaki, JP;
Naoki Okuda, Kawasaki, JP;
Masashi Ohashi, Tokyo, JP;
Toshihiko Kusumoto, Tokyo, JP;
Nobukazu Sasaki, Yokohama, JP;
Yasunori Maeda, Inagi, JP;
Masamichi Ikeda, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes accommodating assembly for accommodating a plurality of developing devices on stages arranged substantially vertically and having first driving mechanism for moving the developing devices in a substantially horizontal plane, an image formation assembly for receiving selected one of the developing devices moved out of the accommodating assembly and for further moving it in a substantially horizontal plane, the image formation assembly including systems for forming images using the developing device, the accommodating assembly further including an opening for allowing a the developing device to be loaded into the accommodating assembly.