Patent
1976-08-05
1978-04-25
Oresky, Lawrence J.
214771, B65F 302
Patent
active
040858588
ABSTRACT:
A storage body is mounted on a vehicle having an upper opening to receive refuse. Lifting arms are pivotally mounted to relative to the body and are pivoted by a first hydraulic motor. Fork arms are pivotally mounted on the distal ends of the lifting arms and are pivoted by a second hydraulic motor. Fluid from the first motor flows through the second motor to provide a movement of the fork arms in accordance with the lifting of the lifting arms. The volume of the rod ends of a first cylinder in the first motor is related to the volume of the rod ends of the cylinders in the second motor to provide for the flow of fluid through the first cylinder relative to the flow of fluid through the cylinders to maintain the fork arms horizontally during the lifting of the lifting arms. The movement of the fork arms is inhibited during the lowering of the lifting arms to facilitate the retention of containers on the form arms. The lifting arms are maintained in position when an obstruction is encountered. Latching members latch closure members to the body in the closed position of the body. As the closure members approach the closed position, an increased force is applied to the closure members to pack the refuse into the storage body. When the closure members are moved to the open position, the latching members become automatically disengaged from the storage body.
REFERENCES:
patent: 2973111 (1961-02-01), Dempster et al.
patent: 3175172 (1965-03-01), Herpich et al.
patent: 3230717 (1966-01-01), Alden
patent: 3272552 (1966-09-01), Park
patent: 3765554 (1973-10-01), Morrison
patent: 3767068 (1973-10-01), Herpich et al.
patent: 3827587 (1974-08-01), Liberman et al.
patent: 3870175 (1975-03-01), Brisson
patent: 3872984 (1975-03-01), Moser et al.
Oresky Lawrence J.
Roston Ellsworth R.
Sargent Industries, Inc.
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