Vacuum controlled lifting apparatus

Details Vacuum controlled lifting apparatus Vacuum controlled lifting apparatus

1989-03-02

1990-12-18

Peters, Jr., Joseph F.

Material or article handling

Device for emptying portable receptacle

Rotary cradle

294 641, 414408, B66C 102

Patent

active

049782690

ABSTRACT:
A vacuum-controlled apparatus for gripping or gripping and lifting a load such as a roll-out refuse container. The lifting apparatus includes a primary vacuum pad for initially engaging the load, the primary vacuum pad comprising a vacuum head for exerting a vacuum-induced suction grip on the load, secondary vacuum pad carried by the vacuum head for secondarily engaging the load and supplementing the vacuum-induced grip on the load. A lifting arm effects vertical movement of the load. The vacuum pads are resilient and have a load-contacting surface on one side thereof generally corresponding to the shape of a surface of the load to be contacted by the load-contacting surface.

REFERENCES:
patent: 2745665 (1956-05-01), Labombarde
patent: 3152828 (1964-10-01), Lytle
patent: 3227481 (1966-01-01), Creskoff
patent: 3272549 (1966-09-01), Nisula
patent: 3326593 (1967-06-01), Farmer et al.
patent: 3515424 (1967-11-01), Sjodin
patent: 3613904 (1971-10-01), Blatt
patent: 3923177 (1975-12-01), Horton
patent: 4057156 (1977-11-01), Thompson et al.
patent: 4600229 (1986-07-01), Oten

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