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:
Aug. 08, 2000
Filed:
Oct. 03, 1997
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing cartridge is provided for developing a latent image formed on a photosensitive member. The developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The developing cartridge includes a developing member for developing a latent image formed on the photosensitive member with toner; a toner accommodating portion for accommodating the toner to be used for development by the developing member; a toner supply opening, provided in the toner accommodating portion, for supplying the toner accommodated in the toner accommodating portion to the developing member; a toner seal for blocking the toner from being supplied from the toner supply opening toward the developing member; a developing frame including a developing member mounting portion for mounting the developing member, the developing frame being provided with a toner passing opening for passing the toner supplied from the toner supply opening; a toner frame supporting the toner accommodating portion; and a toner seal opening provided between the toner passing opening of the developing frame and a bonding portion between the toner frame and the developing frame.