SYSTEM AND METHOD FOR MANUALLY OR ELECTRONICALLY LOWERING AND RAISING HINGED TRAILER DOORS AND GATES
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 19, 2020
app pub date -
Sep 19, 2019
filing date -
Sep 19, 2019
priority date (Note) -
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Abstract
A trailer has a door coupled to the trailer via a hinge along the bottom of the door, a plurality of pulleys coupled to the trailer, at least one cable passing through the plurality of pulleys and tethered to the door, and a mechanism for releasing and withdrawing the cable through the pulleys, thereby actuating the door. The mechanism for releasing and withdrawing may be a hand crank, a motor, or both.
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