Title:
METALLIC GRAPHITE EARTH BRUSH WITH SILVER AS MAIN COMPONENT
Document Type and Number:
Japanese Patent JP2021086668
Kind Code:
A
Abstract:
CONSTITUTION: A metallic graphite earth brush with silver as a main component is brought into sliding contact with a peripheral surface of a shaft to ground the shaft. In the brush, a mass ratio of silver and carbonaceous material containing a volatile component is more than 30% and 90% or less of silver, and less than 70% and more than 10% of carbonaceous material, and when a total mass of silver and carbonaceous material is 100%, the content of a volatile component is 2.0% or more and 15% or less.EFFECT: A metallic graphite earth brush with silver is configured to surely ground a shaft and suppress noise and the like to a car radio, and further has a long service life and strength.SELECTED DRAWING: Figure 5
Inventors:
IKEDA MITSUO
KANEKAWA KOUCHIYU
HIROTA MITSUHIRO
NISHIMURA YOSHIHIRO
KANEKAWA KOUCHIYU
HIROTA MITSUHIRO
NISHIMURA YOSHIHIRO
Application Number:
JP2019212628A
Publication Date:
June 03, 2021
Filing Date:
November 25, 2019
Export Citation:
Assignee:
TRIS INC
International Classes:
H01R39/26; H01R4/64; H01R39/20
Domestic Patent References:
| JP2003259606A | 2003-09-12 | |||
| JP2641695B2 | 1997-08-20 | |||
| JP2015147512A | 2015-08-20 | |||
| JP2004014294A | 2004-01-15 | |||
| JP2007060861A | 2007-03-08 | |||
| JP2005027381A | 2005-01-27 | |||
| JP2016525329A | 2016-08-22 | |||
| JP2017118620A | 2017-06-29 | |||
| JP2003347006A | 2003-12-05 | |||
| JPS6426344A | 1989-01-27 |
Attorney, Agent or Firm:
Akira Shioiri
Mika with salt
Mika with salt