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. 17, 1984
Filed:
May. 10, 1982
Applicant:
Inventors:
Shigeru Ikegami, Shizuoka, JP;
Takashi Ohsaki, Shizuoka, JP;
Assignees:
Toho Beslon Co., Ltd., Tokyo, JP;
Japan Marine Machinery Development Assoc., Tokyo, JP;
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310248 ; 310239 ; 310253 ;
Abstract
A brush, for use for example as an electrical pick-up, includes a brush portion composed of a bundle of metal coated carbon fibers arranged substantially in parallel. A base portion includes a region where the metal coated fibers have been bonded by diffusion via a hot pressing method, and at least one metallic piece bonded to the fiber bundle by diffusion by the same process. The brush of the invention has excellent durability and a conductivity.