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. 02, 2004
Filed:
Oct. 24, 2002
Applicant:
Inventors:
Takayoshi Otani, Mie, JP;
Mitsuo Ikeda, Mie, JP;
Yoichi Sakaura, Mie, JP;
Takahiro Sakamoto, Mie, JP;
Youichi Murakami, Aichi, JP;
Kyoji Inukai, Toyota, JP;
Yasuyuki Wakahara, Kariya, JP;
Masami Niimi, Handa, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01R 3/918 ;
U.S. Cl.
CPC ...
H01R 3/918 ;
Abstract
A metal-graphite brush has a copper-graphite brush body to which a metal sulfide solid lubricant is added and a lead embedded. Indium is at least added to an interface between the brush body and the lead in a concentration of 0.4-8 wt %.