Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1984-03-08
1985-10-29
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
2941031, B66C 142, B66C 110
Patent
active
045497605
ABSTRACT:
A device for gripping and hoisting packed sacks includes a contrivance for mounting the device onto a hoisting machine, load bearing members rigidly coupled to the contrivance for mounting the device onto a hoisting machine. The load bearing members carry vertical plates hinged thereto and turnable from an actuator. The free ends of the load bearing members has slots whose longer faces are in a position of angularity with respect to the end faces of the load bearing members. The device incorporates also two rods arranged parallel to each other, of which the rod is rigidly fixed with its ends to the vertical plates while the other rod is fitted in the slots of the load bearing members. The load bearing member carries a mechanism for restricting the load upon the actuator imparting turning motion to the vertical plates, said mechanism being kinematically associated with the rod fitted in the slots of the slots of the load bearing members.
REFERENCES:
patent: 4181345 (1980-01-01), Achelpohl
patent: 4226458 (1980-10-01), Achelpohl et al.
Belikov Evgeny V.
Bobryshev Oleg V.
Klyatis Lev M.
Mescheryakov Ivan K.
Minenko Leonid P.
Marbert James B.
Tsentralnaya Experimentalno-issledovatelskaya Konstruktorsko-Tek
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