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:
Apr. 25, 2000
Filed:
May. 11, 1999
Applicant:
Inventors:
Koji Yamazaki, Odawara, JP;
Toshiyuki Ehara, Yokohama, JP;
Yuji Nakayama, Yokohama, JP;
Hironori Ohwaki, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399350 ; 1525651 ; 430125 ;
Abstract
In order to prevent uneven shaving of a light receiving member and fusion of a developer, a surface of the light receiving member after development and transfer of the developer is scrape-cleaned with an elastic rubber blade, the wear loss of the light receiving member after copying steps on transfer sheets is within a range of not less than 1 .ANG./10,000 rotations nor more than 10 .ANG./10,000 rotations.