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:
Nov. 21, 2000
Filed:
Aug. 10, 1999
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399 90 ; 399119 ;
Abstract
A developing apparatus includes a cylindrical rotatable developer carrying member for carrying a developer to a developing position. A non-rotary insulating magnet roller, provided in the cylindrical developer carrying member. A electroconductive member provided on the magnet roller, the electroconductive member partly constituting a voltage supplying path for supplying a voltage to the developer carrying member. A sliding contact, provided on inside of the developing sleeve, for establishing electric connection between the electroconductive member, and an inside surface of the developer carrying member in the voltage supplying path.