Device for releasing a load from its support

Details Device for releasing a load from its support Device for releasing a load from its support

1976-04-15

1977-04-12

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

294110R, B66C 138

Patent

active

040171124

ABSTRACT:
Device for releasing a load from its support comprising two clamping jaws for the load, mounted inside a sleeve formed with openings and movable in relation to said sleeve under the combined action of the load and of a spring whose action is applied in the opposite direction to the load, between two positions, a lower position where the jaws are compulsorily closed and a higher position where the jaws can open due to the shape of the jaws and the position of the openings with means inhibiting the relative movement of said jaws in relation to said sleeve and driving means arranged so that it stops the action of said inhibiting means.

REFERENCES:
patent: 1150500 (1915-08-01), Chab
patent: 2476734 (1949-07-01), Jellison
patent: 2879099 (1959-03-01), Riedesser
patent: 3081122 (1963-03-01), Jungersen

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