Patent ID: 8608224
Filing Date: 2013-12-17
Classification: B60J,B60T,B61D

Abstract:
1. Intended for use with an open top container of a trailer or rail car, a tarp system with a rollable cover movable between a first position and a second position, wherein the cover is attached to and wrappable about a reel, the tarp system comprising: the rollable cover adapted to cover contents of the container; a moveable arm operably attached to a portion of the container; a hydraulic-driven, bi-directional gear motor mounted on the movable arm; a hydraulically-operated brake mechanism to lock and hold a position of the motor; wherein the hydraulically-operated brake mechanism is a mechanical lock and hold brake including a hydraulic piston, and a transmission having a rolling gear set rotated by the motor and with an output for driving the reel to operate the cover, wherein a hydraulic system of the trailer or rail car operates the hydraulic-driven, bi-directional gear motor and the hydraulically-operated brake mechanism.