| 摘要 |
This invention provides an improvement in a truck bed unloadable from the sides thereof. The improvement comprises upright members at the front and back ends of the truck bed; a rail beam positioned longitudinally of the truck bed, parallel thereto, and supported at the distal ends thereof on the front and back upright members; a wheel trolley fixed to the rail beam and movable longitudinally thereon between the distal ends; a telescopically movable arm supported on the wheel trolley and extending over the side of the truck bed; an upright shaft member depending from the distal end of the telescopic arm; a fork lift assembly fixed to the upright shaft and movable along the shaft and including lift bars extending horizontally; and control means for controlling the movement of the wheel trolley on the rail beams, telescopic movement of the arm, rotational movement of the depending shaft and the fork lift assembly, and the vertical movement of the lift assembly on the depending shaft. |
