Importance

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Abstract

An apparatus includes a transfer ball, a rod, a first bracket, a second bracket, a lock nut, an elastic element, and a threaded collar. The rod is coupled to the transfer ball and extends vertically from the transfer ball. The second bracket is positioned above the first bracket. The rod extends vertically through the first bracket and the second bracket. The lock nut engages to the rod and is positioned above the first bracket and below the second bracket. The elastic element is positioned above the lock nut and below the second bracket. The rod extends vertically through the elastic element. The threaded collar is positioned above the elastic element and below the second bracket. The threaded collar is engaged to the rod. The rod extends through the threaded collar.

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First Claim