Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Load releasing means
Patent
1985-06-19
1987-03-03
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Load releasing means
B66C 134
Patent
active
046470956
ABSTRACT:
A hoist cable coupling device comprising a lower scissor-like part and an upper doughnut-shaped part, in which blades of the scissor-like part extend through the ring part and are locked in place when suspending a load. Hoist cables are attached to its upper part and load cables to its lower part. When the locking mechanism is of the magnetic type, it is so designed and so placed in a recess portion of the scissorlike part that it can be removed by personnel with ease whenever so desired. When the locking mechanism is of the solenoid type, it is an integral part of the scissor-like part with its plunger projecting into the same recess as above, when suspending cargo. The plunger is shaped to retract or rotate easily whenever required to unload cargo. In either locking technique, positive load-cable retension is acquired. The device cannot become unlocked by itself and be decoupled without action on the part of personnel.
REFERENCES:
patent: 4536024 (1985-08-01), Gabriel
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