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:
Aug. 31, 1999
Filed:
Aug. 19, 1998
Applicant:
Inventor:
Shigeru Aoki, Yokohama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399277 ; 492-8 ; 492 18 ;
Abstract
Disclosed is a highly noiseless magnet roller capable of reducing occurrence of noise upon operation as much as possible. The magnet roller includes a magnet main body and a shaft portion projecting from each or either of both ends of the magnet main body, wherein the magnet main body and the shaft portion are integrally molded from a bond magnet composition in which a magnetic powder is dispersed in a resin binder. In this magnet roller, the roundness of the shaft portion is specified to be in a range of 30 .mu.m or less.
Aoki, Shigeru. (1999). Magnet roller and developing roller using the same (U.S. Patent No. 5946535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5946535
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile