Reverse rotation prevention mechanism and motor with reducer
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United States of America Patent
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Aug 4, 2020
Grant Date -
Dec 7, 2017
app pub date -
Aug 22, 2017
filing date -
Feb 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A reverse rotation prevention mechanism is provided on a torque transmission path between an output shaft and a driving shaft of a motor. The reverse rotation prevention mechanism includes: a first frictional force generation unit configured to inhibit a lock plate provided on the torque transmission path from rotating relative to another member when an external force is exerted on the output shaft; and a second frictional force generation unit configured to generate a braking force that prevents reverse rotation when an external force is exerted on the output shaft by causing a portion of the lock plate to be pressed. The first frictional force generation unit is provided in an area different from the second frictional force generation unit.
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