Patent ID: 8496283

Claim:
A roll-up tarp apparatus for attachment to an open top truck trailer, the open top truck trailer having a truck box, the truck box having a top opening, two ends and first and second longitudinal sides, the truck box being further equipped with end caps at each of the two ends, wherein each end cap partially covers the top opening; the roll-up tarp apparatus comprising: a flexible tarp, the tarp having first and second lateral edges and first and second longitudinal edges; wherein the first longitudinal edge can be interconnected to the first longitudinal side of the truck box; and wherein at least one magnet is secured proximate at least one lateral edge; an elongated roll bar member attached to the second longitudinal edge of the tarp; the elongated roll bar member having first and second ends; wherein the tarp can be wound around the elongated roll bar member such that the respective lateral edges of the flexible tarp are wound around the elongated roll bar along with the at least one magnet, which is attached thereto, when the flexible tarp is gathered on the elongated roll bar; and an arm connecting to the elongated roll bar member to the truck box; wherein the arm can selectively actuate movement of the elongated roll bar member over the top opening of the truck box in both an unroll direction to position the tarp in a secured position and a roll-up direction to secure the tarp in an open position, when the flexible tarp is gathered on the elongated roll bar; wherein the at least one magnet is configured to releasably secure the flexible tarp to one of the respective end caps when the flexible tarp is unwound from around the elongated roll bar and is in the secured position.