| 摘要 |
A mechanism raises and lowers a tailgate provided on a dump box of a dump truck, trailer, or similar vehicle. The dump box has an open end and is supported on the frame for movement between a lowered position for storing and transporti ng items and a raised position for dumping the items out of the dump box. A tailgate is supported on the bump box for movement between a closed position, wherein th e tailgate closes the open rear end of the dump box, and an opened position, wherein the tailgate is spaced away from the open end of the dump box. A double cylinder assembly extends between the dump box and the tailgate for selectively movin g the tailgate between the closed and opened positions.
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