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. 08, 2008
Filed:
Dec. 22, 2005
Masanori Ishida, Komaki, JP;
Kazushi Yamaguchi, Inuyama, JP;
Koji Yamaguchi, Mizunami, JP;
Yasuyuki Hayasaki, Komaki, JP;
Masanori Ishida, Komaki, JP;
Kazushi Yamaguchi, Inuyama, JP;
Koji Yamaguchi, Mizunami, JP;
Yasuyuki Hayasaki, Komaki, JP;
Tokai Rubber Industries, Ltd., Komaki-Shi, JP;
Abstract
A developing roll which may reduce stress imparted on toner and have uniform transportability of toner. The developing roll comprises a shaft, an elastic layer provided on an outer peripheral surface of the shaft, and a cylindrical outermost layer provided directly or indirectly via a layer on an outer peripheral surface of the elastic layer, wherein an outer peripheral surface of the outermost layer is formed into a rough surface by distribution of multiple dimples in such a manner that open ends thereof do not overlap one another on the surface and a portion other than the dimples on the rough surface forms a remaining portion of a cylindrical shape.