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, 1989
Filed:
Mar. 17, 1987
Applicant:
Inventors:
Kazuo Kishino, Kawasaki, JP;
Takao Tanaka, Yamato, JP;
Michio Shigenobu, Tokyo, JP;
Hiromitsu Hirabayashi, Yokohama, JP;
Takashi Hibi, Kodaira, JP;
Kensaku Kusaka, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ; B30B / ;
U.S. Cl.
CPC ...
1001 / ; 100172 ; 100176 ; 29132 ;
Abstract
An elastic rotatable member includes a base member, an elastic layer on the base member, the elastic layer defining a plurality of opening extending in a longitudinal direction of the elastic rotatable member, wherein the openings are arranged such that any radial line in a cross-section of the elastic rotatable member in a direction substantially perpendicular to the longitudinal direction, crosses at least two of such openings.