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:
May. 30, 1995
Filed:
Apr. 19, 1993
Applicant:
Inventors:
Masahiro Goto, Yokohama, JP;
Yasushi Sato, Kawasaki, JP;
Shunji Nakamura, Yokohama, JP;
Junji Araya, Yokohama, JP;
Tetsuo Saito, Sagamihara, JP;
Kazuo Kishino, Kawasaki, JP;
Kouichi Okuda, Yokohama, JP;
Yohji Tomoyuki, Yokohama, JP;
Akira Hayakawa, Machida, JP;
Fumitaka Aoki, Tokyo, JP;
Hirokazu Ikenoue, Inagi, JP;
Kenji Nagata, Tachikawa, JP;
Toshihiko Yamanaka, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355285 ; 219216 ; 355289 ;
Abstract
An elastic roller includes a conductive base; an elastic layer on the conductive base; a surface parting layer on the elastic layer, the surface parting layer having a surface resistance of not less than 10.sup.10 ohm; wherein the elastic layer has a volume resistivity of not more than 10.sup.7 ohm.cm.