Lifting spreader actuated crank

Details Lifting spreader actuated crank Lifting spreader actuated crank

1979-05-29

1981-01-13

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

294 81SF, 410 78, B63B 2500, B66C 166

Patent

active

042446155

ABSTRACT:
A corner casting of the type used for lifting and moving containers is mounted to auxiliary apparatus such as a spreader for holding deckloading cargo. The corner casting is configured for actuating a crank upon the penetration of the lifting hook. When the hook penetrates at the top hole of the corner casting, a pedal pad is depressed. The pedal pad in turn is attached to a lever arm having a pivot at one end, the pedal pad at the other end and a pivotally attached spring bias rod therebetween. Upon twistlock penetration, the spring biased rod produces crank rotation at a protruding eccentric from a crank. By using the spring biased rod rotary motion can be imparted to the crank so that lifting of the spreaders effects automated container release in the case of the disclosed equalizer.

REFERENCES:
patent: 3081120 (1963-03-01), Heinmiller et al.
patent: 3399921 (1968-09-01), Trost et al.
patent: 3543951 (1970-12-01), Marvin
patent: 3734308 (1973-05-01), Pasternack
patent: 3776169 (1973-12-01), Strecker
patent: 3899092 (1975-08-01), Nordstrom
patent: 3980185 (1976-09-01), Cain

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