| 摘要 |
An attachable dumping device is presented which allows for dumping rock, sand, or other materials from a pick-up truck. The device has three main parts, a bin which is attached to a bin frame which in turn is attached to a bottom frame. The bottom frame is bolted to the truck bed and pivots near the tailgate portion of the truck. The bin and bin frame are attached to the bottom frame by means of rollers. The device has a tailgate and latch for loading and unloading the material. In use, one simply opens the tailgate and causes the bin to move along the rollers until the bin is approximately one-half of the way out of the bed of the truck. The bed frame then rotates about its pivot point and the entire device is tilted to dump the material onto the ground. In repositioning the device, the bin is pushed forward until the entire device pivots back to a horizontal direction. Because the center of gravity is located at approximately the halfway point with the bin extended, unloading or repositioning the bin is done without the necessity of using much force.
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