DRIVE DEVICE
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United States of America Patent
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-
N/A
Issued Date -
Dec 12, 2013
app pub date -
May 22, 2013
filing date -
Jun 12, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drive device includes: a driven member; and an outer rotor type motor driving the driven member, wherein the outer rotor type motor comprises a rotor, the rotor includes: a rotational shaft connected to the driven member; a yoke secured to the rotational shaft; and a permanent magnet secured to the yoke, the yoke is provided with a balance portion for shifting a center of gravity of the yoke with respect to a rotational center of the yoke, and the balance portion reduces imbalance caused when the rotational shaft is rotated.
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