HYDRAULIC SYSTEM FOR CONTROLLING TRUCK CARRIED APPARATUS

摘要

A hydraulic system for controlling truck carried apparatus, such as an auxiliary caster wheel assembly installed at the rear of a dump truck and a hoist for the truck dumping mechanism; the hydraulic system being operable to extend or retract, and to raise or lower the wheel assembly as well as adjust the wheel assembly to carry an increased or decreased percentage of the total truck load. In addition the hydraulic system being operable to lock the caster mechanism so that the truck may be backed or to permit application of a pushing force on the wheels while the hydraulic system operates the dumping hoist so as to control placement of material discharged from the dump truck.