Winch and method of use thereof
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jul 16, 2015
app pub date -
Jan 10, 2014
filing date -
Jan 10, 2014
priority date (Note) -
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Abstract
A winch for moving a load along a track from a first position to a higher position has a drum around which a retrieve and a launch cable are wound in different directions. Rotation of the drum acts to reel in one of the cables while paying out the other. The retrieve cable extends directly between the drum and the near end of the load and the launch cable extends past the rear of the load though a sheave mounted on the track, and then back to far end of the load. A winding mechanism operates in retrieve mode to turn the drum to reel in the retrieve cable and pay out the launch cable. The winding mechanism is used in launch mode to turn the drum in the opposite direction to pay out the retrieve cable and reel in the launch cable. A brake mechanism is operable to halt runaway of the load along and down the track when the winch is being operated in launch mode.
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