Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1983-04-18
1985-06-11
Valenza, Joseph E.
Material or article handling
Self-loading or unloading vehicles
Conveyor
414525R, 91517, B65F 328
Patent
active
045225516
ABSTRACT:
Refuse apparatus, e.g. on a vehicle, comprising a container having a multistage telescopic cylinder device connected to an ejector panel, the device being movable from a retracted position at the forward closed end of the container to an extended position spanning the distance to an opening at the rearward end of the container for ejecting stored refuse by the panel, and a compacting piston-cylinder assembly connected to a pushing structure for conveying and compacting refuse into the container via the opening and forwardly against the panel, and a control system for individually controlling the hydraulic actuation of the device and of the assembly, including a device control valve for locking hydraulically the device in extended position, an assembly control valve for moving the assembly forwardly from a rearward initial position to a forward final position for compacting the refuse under increasing hydraulic pressure up to a predetermined threshold pressure, a threshold electrical switch responsive to such predetermined pressure for automatically energizing a dump valve each time such predetermined pressure is reached for discharging fluid from the device to cause its automatic incremental forward movement under the compacting pressure of the assembly and pushing structure until such pressure decreases below the predetermined pressure, and limiting switches positioned for activation by the assembly to limit the electrical energization of the dump valve to the amplitude between the initial and final positions of the assembly independently of the pressure sensed by the threshold switch.
REFERENCES:
patent: 3402837 (1968-09-01), Palmer et al.
patent: 3410427 (1968-11-01), McCarthy
patent: 3696951 (1972-10-01), Toppins et al.
patent: 3884372 (1975-05-01), Kunii
patent: 4050594 (1977-09-01), Gollnick
patent: 4065008 (1977-12-01), Ratledge
patent: 4273497 (1981-06-01), Mealing et al.
patent: 4371306 (1983-02-01), Smith
Bucci David A.
Valenza Joseph E.
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