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. 25, 2013
Filed:
Nov. 24, 2009
Kazufumi Muto, Abiko, JP;
Kazufumi Muto, Abiko, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge is detachably mountable to a main assembly of an image forming apparatus and includes an image bearing member, a developing device having a developer carrier, a transmitter transmitting a driving force received from the main assembly to the developer carrier, a charger movable toward and away from the image bearing member, for charging the image bearing member while contacting the image bearing member, a spacer, detachably mountable relative to the cartridge, for holding the charger at a position away from the image bearing member when the spacer is mounted and for permitting the charger to charge the image bearing member when the spacer is dismounted, and a drive controller for disengaging the driving connection between the transmitter and the developer carrier when the spacer is mounted, and for establishing the driving connection between the transmitter and the developer carrying member when the spacer is dismounted.