Anti-tamper lock guard

Details Anti-tamper lock guard Anti-tamper lock guard

1995-08-25

1997-09-23

Gall, Lloyd A.

Locks

Portable

Padlocks

70381, 70417, 70424, 70455, E05B 6738

Patent

active

056692552

ABSTRACT:
For a circular lock currently in popular use that is disposed in covering relation over lugs projected internally of the lock and consequently results in the holding of the lock stationary, an anti-tampering guard that encircles the lock and has a rotational degree of movement, so that a tampering tool must engage the guard interposed between the tool and the lock and any force applied by the tool merely results in harmless rotation of the guard rather than a twisting off of the lock-engaged lugs.

REFERENCES:
patent: 256902 (1882-04-01), Kirk
patent: 786586 (1905-04-01), Moreland
patent: 1652234 (1927-12-01), Bronson et al.
patent: 2856220 (1958-10-01), Easley
patent: 3751953 (1973-08-01), Newman
patent: 3820360 (1974-06-01), Best
patent: 3996774 (1976-12-01), Best
patent: 4372138 (1983-02-01), De Forrest
patent: 4760720 (1988-08-01), Grille
patent: 5063765 (1991-11-01), Squire et al.
patent: 5172574 (1992-12-01), Perfetto
patent: 5469722 (1995-11-01), Ellefson

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