Power closure actuator
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United States of America Patent
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Sep 6, 2011
Grant Date -
Jul 19, 2007
app pub date -
Jan 19, 2006
filing date -
Jan 19, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A power closure actuator especially suitable for use in powering various automotive closure devices. The actuator includes a brushless pancake electric motor having an output shaft; a sun gear on the output shaft; a plurality of compound planet gears each having a large diameter lower portion meshingly engaging the sun gear and a small diameter upper portion; a ring gear surrounding and meshingly engaging the small diameter upper portions of the planet gears, and a cable drum splined to the ring gear. A mounting plate positioned in overlying confronting relation to the flat upper face of the motor mounts a plurality of planet shafts extending upwardly from the mounting plate in circumferentially spaced relation to the motor output shaft with one of the compound planet gears journaled on each planet shaft.
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