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:
Jun. 29, 2004
Filed:
Oct. 24, 2002
Applicant:
Inventors:
Takayoshi Otani, Mie, JP;
Toshio Ishikawa, Aichi, JP;
Mitsuo Ikeda, Mie, JP;
Yoichi Sakaura, Mie, JP;
Naoki Morita, Mie, JP;
Assignee:
Tris Inc., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C 1/04 ; H01R 3/920 ;
U.S. Cl.
CPC ...
C22C 1/04 ; H01R 3/920 ;
Abstract
A brush body of a metal-graphite brush is composed of a Pb-less commutator side portion which contains graphite, copper and a metal sulfide solid lubricant, and a lead side portion which contains graphite, copper, the metal sulfide solid lubricant and Pb.