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Patent Searching and Data


Title:
METAL GRAPHITE BRUSH
Document Type and Number:
Japanese Patent JP2010193621
Kind Code:
A
Abstract:

To provide a metal graphite brush that can be inexpensively manufactured while suppressing wear of a metal graphite brush due to damage on the sliding surface of a commutator or deterioration in material handleability.

The metal graphite brush 4 is formed into a laminated shape by pressure forming and has a structure that a surface vertical to a pressure surface 5 is made as a sliding surface of a commutator. The brush contains scale-like graphite 1 and copper-plated scale-like graphite 3. The ratio of the copper-plated scale-like graphite 3 with respect to the total amount of the metal graphite brush is regulated to be ≥20 wt.%.


Inventors:
HOZUMI FUMIHIRO
Application Number:
JP2009035360A
Publication Date:
September 02, 2010
Filing Date:
February 18, 2009
Export Citation:
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Assignee:
TOYO TANSO CO
International Classes:
H02K13/00; H01R39/26; H01R43/12; H02K15/02
Domestic Patent References:
JPH0270249A1990-03-09
JPS63302744A1988-12-09
JP2005176492A2005-06-30
JPS63140050A1988-06-11
Attorney, Agent or Firm:
Tetsuo next generation
Masanori Tamura