JPH035637U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a perspective view of the main parts of the vehicle body, and FIG. 2 is a perspective view of the main parts of the cargo platform. In the figure, numeral 1 is the vehicle body, 5 is the support shaft, 4 is the engagement recess of the support shaft 5, 8 is the loading platform, 12 is the longitudinal axis, 14 is the operation lever, 15 is the bracket, 17 is the insertion hole, 18
18L is a front engaging rod, 18L is a left engaging portion, 18R is a right engaging portion, 26 is a link mechanism, 27 is a rear engaging rod, 27L is a left engaging rod, and 27R is a right engaging portion.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) At the four corners of the vehicle body 1, support shafts 5, 5, which form engagement recesses 4 around the vehicle body 1, are arranged to face in the longitudinal direction of the vehicle body 1, and on the back surface of the cargo platform 8, an operating lever 14 Front and rear engagement rods 18 and 27 are provided which are connected to the rotatable front and rear shaft 12 via link mechanisms 26 and 26 and are movable left and right in conjunction with the rotation of the front and rear shaft 12. 18
is a length such that when the operation lever 14 is at the neutral position A, the engaging portions 18L and 18R at both ends thereof are disposed inside the support shaft 5 in a non-engaged state, and the rear engaging rod 27 is also at the neutral position A when its both ends are engaged. The length is set so that the joint parts 27L and 27R are positioned below the support shaft 5 in an engaged state, and the insertion holes 17 for the engagement rods 18 and 27 are set on the back surface of the loading platform 8 to hang down on both left and right sides of the support shaft 5. , 17 are attached to the brackets 15, 15. (2) The center part of the rear engaging rod 27 is connected to the engaging parts 27L and 27R at both ends by a flat plate, and three engaging parts 34 and 34 are formed on the flat plate part, and a vertically movable part is formed on the back surface of the loading platform 8. A safety hook 28 is freely provided, and the safety hook 28 is urged downward by a spring 33 to be engaged with the engaging portions 34, 34, and when the loading platform 8 is lowered, the safety hook 28 is attached to a contact member provided on the vehicle body 1. 2. The three-way dump switching device according to claim 1, further comprising a safety device configured to contact with and rotate upward to release the engaged state.