PURPOSE: To obtain the correction of load-sensing control in accordance with the adjustment of car height by rotating an eccentric shaft to support a load- sensing lever by an actuator to be operated by a car-height adjusting pressure for pushing a valve piston of a hydrostatic control valve.
CONSTITUTION: A valve piston 68 of a hydrostatic control valve 24 is pushed by a load-sensing lever 98 for making hydrostatic control in accordance with the load. An eccentric shaft 92 of the load-sensing lever 98 is rotated by an actuator 28 to be operated by a car-height adjusting pressure. Even if the car height is adjusted, the actuator 28 is simulteneously operated, and the pushing amount of the load-sensing lever 98 to the valve piston 68 is prevented from changing for making load-responding control.
NISHINA HIDEYOSHI
TAGAMI JIYUNICHI
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