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:
Mar. 10, 1992
Filed:
Sep. 18, 1990
Kazushi Watanabe, Yokohama, JP;
Takashi Hibi, Yokohama, JP;
Norihisa Hoshika, Kawasaki, JP;
Masahide Kinoshita, Yokohama, JP;
Takeo Shoji, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a cartridge detachably mountable to the image forming apparatus, the cartridge including a movable image bearing member; a charging member having a contact member for contacting to the image bearing member in the cartridge to charge the image bearing member, the contact member is mounted in the image bearing member; a supporting member for supporting the contact member for movement between a first position where the contact member is contacted to the image bearing member and a second position where the contact member is away from the image bearing member; a member actable on the supporting member in accordance with mounting or dismounting of the cartridge relative to the image forming apparatus; wherein upon dismounting of the cartridge, the contact member is moved from the first position to the second position.