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:
Jul. 07, 1998
Filed:
Oct. 03, 1995
Applicant:
Inventors:
Seiji Kurozumi, Osaku-fu, JP;
Yukio Honda, Osaku-fu, JP;
Kazuaki Sato, Tottori-ken, JP;
Masao Nakamura, Saitama-ken, JP;
Nobuharu Suzuki, Saitama-ken, JP;
Tokio Fujita, Saitama-ken, JP;
Hitoshi Matsuoka, Gunma-ken, JP;
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; B32B / ;
U.S. Cl.
CPC ...
310 / ; 310 51 ; 310244 ; 310248 ; 310251 ; 428327 ; 428461 ;
Abstract
The present invention provides a damping member constituted of a viscoelastic member and a constraint member, each of which is formed on a brush made of thin metal plate, in a dc minimotor, the viscoelastic member comprising adhesive mass containing a copolymer of alkyl acrylate and acrylic acid. The present invention further provides a brush constituted of the above damping member and a dc minimotor equipped with the brush.