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:
Oct. 23, 2007
Filed:
Dec. 08, 2005
Applicants:
Keita Shiraki, Inuyama, JP;
Koji Yamaguchi, Mizunami, JP;
Inventors:
Keita Shiraki, Inuyama, JP;
Koji Yamaguchi, Mizunami, JP;
Assignee:
Tokai Rubber Industries, Ltd., Komaki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B65G 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet feeding roller, available at a lower cost, having lower hardness with securing both abrasion resistance and sustainability of friction coefficient. The sheet feeding roller comprises a hub, an inner layer provided on an outer peripheral surface of the hub, and an outer layer provided on an outer peripheral surface of the inner layer, the inner layer and the outer layer are formed by an unfoamed cured body of thermosetting urethane rubber wherein the outer layer is harder than the inner layer.