Electric motor
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United States of America Patent
Stats
-
Feb 3, 1998
Grant Date -
N/A
app pub date -
Mar 3, 1995
filing date -
Mar 10, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric motor is provided with especially brushes of which rear ends are cut diagonally to form acute angles at the corner edges on the backward side of the rotating direction of the armature. The brushes are maintained securely in brush holders without vibration by first and second side walls of the brush holders according to component force of pressing force applied on the slant rear ends of the brushes by pressing members, therefore the objectionable noise caused by the 'stick-slip' is prevented very effectively without introducing complicated structure in the motor.
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Family
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Cited Art Landscape
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