Apparatus for detachably coupling a load to a crane

Details Apparatus for detachably coupling a load to a crane Apparatus for detachably coupling a load to a crane

1989-01-11

1990-06-26

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Load releasing means

294 75, 294 8231, B66C 114

Patent

active

049366173

ABSTRACT:
A cargo bag made from a generally flat piece of canvas or the like has a plurality of attachment loops along its peripheral edge. The bag is attached to the operating cable of a crane by a coupling device that releasably engages some of the cargo bag loops. One of the loops is unreleasably carried by a fixed hook. The remainder of the loops are retained by the fingers of a shiftable fork assembly. The fork assembly is pivotably between a bag retaining position and a bag release position. A remotely actuated, hydraulic piston and cylinder assembly provides for selective shifting of the fork assembly between the cargo bag retaining and release positions.

REFERENCES:
patent: 664057 (1900-12-01), Olson
patent: 845693 (1907-02-01), Coats et al.
patent: 898329 (1908-09-01), Coulter et al.
patent: 1239700 (1917-09-01), Konczak
patent: 1773805 (1930-08-01), Bouchard
patent: 2986421 (1961-05-01), Grove
patent: 3383721 (1968-05-01), Adams
patent: 4077660 (1978-03-01), Phillips
patent: 4185864 (1980-01-01), Phillips et al.

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