| CPC E05F 15/643 (2015.01) [B60J 7/1204 (2013.01); E05Y 2201/434 (2013.01); E05Y 2201/654 (2013.01); E05Y 2201/656 (2013.01); E05Y 2201/668 (2013.01); E05Y 2201/71 (2013.01); E05Y 2900/516 (2013.01)] | 18 Claims |
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1. A cover deployment system comprising:
a flexible cover configured to span an open top of a trailer, the trailer having a front end, a rear end, and longitudinally extending side walls extending therebetween;
a plurality of bow assemblies connected to the cover; and
a cable system including a pair of cables, an electric actuator, a manual actuator, and a differential;
wherein the pair of cables extend longitudinally along the longitudinally extending side walls of the trailer adjacent the open top, each of the pair of cables defining a loop supported by a pair of pullies, each pair of pullies having a first pulley at the front end of the trailer and a second pulley at the rear end of the trailer;
wherein one of the plurality of bow assemblies is fixedly attached to the pair of cables at one of the front end and the rear end of the open top of the trailer;
wherein the remaining bow assemblies of the plurality of bow assemblies are movably attached to the pair of cables;
wherein the electric actuator and the manual actuator are operatively connected to the differential, the differential positioned between the electric actuator, the manual actuator, and one of the first pullies; and
wherein the differential is connected to at least one of the first pullies and is operative to rotate the connected one of the first pullies to move the pair of cables, thereby moving the cover between a closed position and an open position.
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