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. 21, 1994
Filed:
Sep. 18, 1992
Mitsugu Inomata, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes first and second frames separable from each other, wherein the first and second frames constitutes a main assembly of the image forming apparatus; a process cartridge detachably mountable to the main assembly, wherein the process cartridge contains an image bearing member and at least one image forming device actable on the image bearing member; a developing unit detachably mountable to the main assembly separately from the cartridge, the developing unit forming a developed image on the image bearing member; wherein the main assembly is separable in a first mode in which the cartridge and the developing unit are in either of the first frame or the second frame and in a second mode in which the cartridge and the developing unit are in different ones of the first and second frames.