| 摘要 |
PROBLEM TO BE SOLVED: To increase a rise amount of an axle, by restraining required force small for lifting the axle supported by a leaf spring.SOLUTION: A leaf receiving part movable mechanism 21 can be set in a lift prohibition state and a lift permission state, and is supported on the vehicle body side. An axle lifting mechanism 31 can lift an axle 6R of a rear-rear wheel 5R, and is supported on the vehicle body side. The leaf receiving part movable mechanism 21 holds a rear leaf rear end receiving part 16R in a lift prohibition position of a suspension state of regulating the upward movement of a rear end part by abutting from above on the rear end part of a lear leaf spring 8R in the lift prohibition state, and moves the rear leaf rear end receiving part 16R to a lift permission position for allowing lifting from the suspension state of the rear end part of the rear leaf spring 8R in the lift permission state.SELECTED DRAWING: Figure 2 |
