Power-door opening and closing device and automobile provided with opening and closing device
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Dec 9, 2014
filing date -
Jul 10, 2014
priority date (Note) -
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Abstract
A power door opening device comprises a casing; a motor mounted to the casing; a planetary gear unit housed in the casing to reduce rotation speed of the motor; and an output mechanism that transmits reduced rotation from the planetary gear unit to a door to open and close the door. The planetary gear unit comprises a sun gear that rotates with a rotary shaft of the motor; a planetary carrier fixed in the casing; a planetary gear that is rotatably supported to the planetary carrier and meshes with the sun gear; and a ring gear that is rotatably supported in the casing and meshes with the planetary gear. Both ends of the sun gear are supported.
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