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:
Mar. 15, 1994
Filed:
Oct. 24, 1991
Applicant:
Inventor:
Shoichi Ibaraki, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; H01K / ;
U.S. Cl.
CPC ...
360108 ; 310239 ; 310242 ;
Abstract
A rotary drum device includes a brush unit for supplying a signal or a current to a rotary portion. The rotary drum device has a guide portion along which the brush unit can move such that a contact force of a brush at the contacting point between the rotary portion and the brush can be maintained substantially constant.
Ibaraki, Shoichi. (1994). Rotary drum device (U.S. Patent No. 5295033). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5295033
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile