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:
Jul. 27, 1999
Filed:
Jun. 05, 1996
Applicant:
Inventors:
Yoshiro Saito, Yokohama, JP;
Hiroshi Sasame, Yokohama, JP;
Tatsuhiko Hayakawa, Tokyo, JP;
Tetsuya Kobayashi, Kawasaki, JP;
Naoki Enomoto, Yokohama, JP;
Tomoyuki Ohkura, Okazaki, JP;
Hideo Kimata, Okazaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; B29B / ;
U.S. Cl.
CPC ...
399279 ; 399272 ; 399281 ; 492 30 ;
Abstract
There are disclosed a foamed rotary member having a surface of a foam, and a large number of cells provided in the foam and each having a prolate spheroid shape, wherein the major axis direction of the cell is along the rotation axis direction, and also a developing device using the foamed rotary member as a toner supplying rotary member.