AUTOMATIC CLUTCH WINCH
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United States of America Patent
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Issued Date -
Oct 3, 2019
app pub date -
Jun 14, 2018
filing date -
Mar 30, 2018
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Abstract
The present disclosure discloses an automatic clutch winch comprising a motor, a gear reduction unit actuated by the motor, and a winding drum drivably coupled with the gear reduction unit. The gear reduction unit comprises a planetary gear assembly drivably coupled with the winding drum, a movable ring gear engaging with the planetary gear assembly, a DC gear motor, a cam driven by the DC gear motor to rotate, and a pull rod driven by the cam. The pull rod is driven by the cam on a first end to enter or exit a notch of a plurality of notches in the movable ring gear. The disclosed automatic clutch winch can provide protection for the internal components during an emergent situation.
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