Mechanical security device

Details Mechanical security device Mechanical security device

1984-06-08

1986-05-13

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70164, F16B 4100

Patent

active

045878145

ABSTRACT:
A mechanical security device for preventing disconnection between first and second objects. The first and second objects include a nut rotatable with respect to the objects in one direction to connect the objects and in an opposite direction to disconnect the objects. In one embodiment, the security device comprises a guard collar and a locking bar. The guard collar is adapted for positioning around the nut to prevent it from being accessed for rotation. The locking bar is adapted to prevent substantial rotation of the guard collar with respect to the first object, and to limit axial movement of the guard collar to a degree sufficient to prevent the nut from being accessed for rotation. The security device is particularly suited for preventing removal of a regulator from a compressed gas cylinder.

REFERENCES:
patent: 619735 (1899-02-01), Schreiner
patent: 716204 (1902-12-01), De Waldo
patent: 725290 (1903-04-01), Speer
patent: 968759 (1910-08-01), Fogg
patent: 2048424 (1936-07-01), Caldwell
patent: 3678717 (1972-07-01), Eaton
patent: 3930389 (1976-01-01), Buikus
patent: 4003228 (1977-01-01), Lievens et al.
patent: 4407146 (1983-10-01), Nielsen, Jr.

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