Lifting spreader actuated crank
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United States of America Patent
Stats
-
Jan 13, 1981
Grant Date -
N/A
app pub date -
May 29, 1979
filing date -
May 29, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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