ELECTRIC DRIVE MECHANISM OF SEAT RAIL
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United States of America Patent
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Issued Date -
Sep 10, 2020
app pub date -
Mar 7, 2019
filing date -
Mar 7, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An electric drive mechanism of a seat rail includes a front frame, a rear frame, a gear assembly, a lead screw and a bumper. The front frame and rear frame are separated from each other and fixed to an outer rail of a slide rail; the lead screw is spanned across the front frame and rear frame; the gear assembly driven by a driving device is fixed to an inner rail of the slide rail and engaged with the lead screw; the bumper is installed at the rear frame provide a buffering effect between the gear assembly and the rear frame, so as to prevent the production of abnormal sounds caused by colliding the gear assembly with the rear frame directly.
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