Brush device and motor with brush
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United States of America Patent
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-
Jul 10, 2007
Grant Date -
Jan 4, 2007
app pub date -
Feb 25, 2004
filing date -
Feb 28, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A brush device having the longitudinal direction of a coil shaped coil spring aligned with the face of a brush holder, in which one end of a support post at the surface of a brush base is formed as a hollow cylinder and a projection at the other end is insert molded into the brush holder. There is a step on the support post. The step and the brush holder receive a cover plate which, when viewed from a direction perpendicular to the face of the brush holder, covers a winding of the coil shaped coil spring. One end of the support post is fixed to the surface of the cover plate by spreading the end of the hollow cylinder of the support post.
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