Drum lock device

Details Drum lock device Drum lock device

1990-04-27

1990-09-18

Wolfe, Robert L.

Closure fasteners

Clamps

Ring

411402, 70231, B65D 4530

Patent

active

049573179

ABSTRACT:
A drum lock device is disclosed for an open-head drum which has a flanged lip at the open end with a mating lid therefor. The drum lock device has a lug-type ring closure, a lockable bolt, and a shuttle wrench captively held on the bolt by a cap. The ring closure, which annularly attaches the lid to the lip, has a split therethrough with internally threaded lugs on either side. The shuttle wrench is captively held between the cap and the apertured boss of the bolt, and is slidably positionable between engagement with and disengagement from the lockable bolt. When the shuttle wrench is engaged, the lockable bolt is enabled, and, when the shuttle wrench is disengaged the rotation of the lockable bolt is disabled.

REFERENCES:
patent: 2104156 (1938-01-01), Fergueson
patent: 2526238 (1950-10-01), Kendall
patent: 3349947 (1967-10-01), Zumwalt
patent: 3515423 (1970-06-01), DeSmidt
patent: 3903769 (1975-09-01), Andersen
patent: 3907349 (1975-09-01), Kane

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