| 摘要 |
PURPOSE:To discharge the load to the required side surely by simple operation, by installing a swing automatic switch gear and specifying the structure of a hinge. CONSTITUTION:A hinge 3-3 is constructed with hook 9-9' which is hinged to the lower hinge 6, 6'' having recess 5, 5'' to fix on the upper opening installed to the side end of support pipe 4 fixed to the body frame 1 and an upper hinge 8, 8'' and a lower hinge 6, 6'' having a hinge pin 7-7'' provided on the bottom of loading box 2, a guide roller 24 to rotate freely meeting the center of the hinge pin 7-7'' when moving down of the loading box 2 is hinged to the side of the body frame 1, an operating arm 25, 25' to link to the hook 16, 16', 21, 21' to close the swing door 14, 19 through a rod 22, 22' is hinged on the side of the loading box 2. Thereby, if the operating rod 10 is operated from the cab, arbitrary linking or unlinking of the hinge 3-3' can be carried out, the swing door 14, 19 is opened or closed automatically in accordance with inclination of the loading box 2. |
