Abstract: A tarpaulin cover system for covering and uncovering a vehicle body in accordance with a winding mechanism includes a plurality of spaced catch members secured on each of the sides of the two sides of the vehicle body. The tarpaulin extends partially down each side. A plurality of spaced lock members are provided on the sideward extensions of the tarpaulin corresponding to the number of catch members. Each lock member on the tarpaulin is disposed for being automatically engaged by a respective one of the catch members during the covering motion of the tarpaulin and automatically disengaged during the uncovering motion.

Abstract: The invention provides a new support superstructure for tarpaulins employed to cover the open top of a load container, such as a transport truck. The superstructure comprises a plurality of transverse support members, usually convex-bowed upwards, that in an operative position extend fully across the container body, each being connected at one end to a vertical pivot rod pivotally mounted on one side of the body. The support member is moved to an inoperative stored position alongside one container wall by means of a handle at the lower end of the pivot rod and accessible to an operator standing on the ground. The two support members at the respective ends of the body can be fixed. Each pivot rod may be movable vertically to facilitate the movement of the support members over a heaped load. The handle also operates to latch the support member in the operative position, and also the inoperative position if required. The tarpaulin may have longitudinal transversely-spaced stiffening rods.

Abstract: A tarpaulin cover system for use in trucks eliminates the need for usual side tracks for guiding the tarpaulin supporting rods. The rods are instead guided by flexible means such as cables which are simultaneously used for driving the front edge of the tarpaulin when unfolding or folding same. The invention substantially enhances the operative reliability of the device, reduces costs thereof and simplifies its installation.