POWER ACTUATOR FOR AUTOMOTIVE PASSENGER DOOR
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United States of America Patent
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Issued Date -
Feb 16, 2023
app pub date -
Aug 11, 2021
filing date -
Aug 11, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A power actuator is configured for a hinged vehicle door with a generally vertical hinge axis. The power actuator includes a motor-gearbox assembly, a slip clutch, a friction brake, a threaded spindle with a motor-side bearing, and a spindle nut affixed to a spindle tube, configured to travel along the threaded spindle during a rotation of the spindle. The slip clutch and the friction brake are operatively positioned between the motor-gearbox assembly and the motor-side bearing. The power actuator does not need to include a biasing element acting on the spindle nut toward an extended position because such a biasing element is unnecessary where the hinge axis is generally parallel to the direction of gravity.
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