Spring retention system for dc motor
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United States of America Patent
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Jul 9, 2024
Grant Date -
Jul 9, 2020
app pub date -
Oct 10, 2019
filing date -
Jan 4, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A spring retention system for securing a motor in a desired position. The spring retention system includes a captive feature, which includes a plurality of recesses formed as a motor support spring having a circular opening, which are engaged with a motor bearing housing. The spring retention system reduces motor displacement in multiple directions when the motor is exposed to vibrations, which reduces the cantilever bending on the motor shaft and the motor housing, also improving motor pinion run out. The spring retention system also includes a formed opening feature, which allows for the spring retention system to fit with motor bearings having different sizes. The spring retention system also includes a plurality of spring leg retention features formed as part of the motor support spring, which support the motor bearing housing on an axis, and the module housing supports the motor support spring.
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