Brush device, electric motor with brush device, and manufacturing method of brush device
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United States of America Patent
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Aug 2, 2022
Grant Date -
Apr 30, 2020
app pub date -
Dec 30, 2019
filing date -
Mar 13, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In order to facilitate the assembly of the brush assembly and to improve the productivity, the brush device includes a positive side brush subassembly having a positive side brush for feeding a commutator, a positive side brush holder for holding the positive side brush, and a positive side plate to which the positive side brush holder is attached, and a negative side brush subassembly having a negative side brush for feeding the commutator, a negative side brush holder for holding the negative side brush, and a negative side plate to which the negative side brush holder is attached. The positive side brush subassembly and the negative side brush subassembly are combined with each other.
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