| 摘要 |
PURPOSE:To facilitate position adjustment by liftably supporting the front end of a bed to the front section of a frame with a cylinder and also liftably supporting the rear end to the rear section of the frame with an elevator when supporting a rear upper bed against the frame on a truck floor plate. CONSTITUTION:A rear upper bed 28 is constituted by welding rahmens 29 on both sides of a bed 30, includes a front end pillar 24, a front pillar 25, a middle pillar 26, and a rear pillar 27, and is liftably fitted to a frame 23 made by connecting their upper ends with a beam. The front pillar 25 is constituted with an outer pillar 31 having a C-shaped cross section and a square tube 33 slidably inserted into the outer pillar 31 and lifted by a cylinder 36, and the front end of the rahmen 29 is pivotally supported by the square tube 33. A groove-shaped steel 46 to fix a hollow body 57 of the middle section of the rahmen 29 at an optional position is provided on the middle pillar 26. An elevator including a block 64 lifted by the operation of a cylinder 71 via a wire 72 is provided on the rear pillar 27, and the block 64 is provided integrally with the rear end of the rahmen 29. |
