Meter box guard lock

Details Meter box guard lock Meter box guard lock

1977-10-07

1979-05-08

Frazier, Roy D.

Locks

Special application

For closures

70232, 70DIG34, 292256, 292DIG11, B65D 5514, E05B 6552

Patent

active

041529103

ABSTRACT:
A highly tamper-resistant lock for attachment to an electric meter box, as a supplement to other locking means, if any, or a replacement therefor, the lock having one part secured to the box and a separable part adapted to be locked in engagement with the first part and in a position to prevent separation of the parts to project in front of the meter box cover to prevent opening thereof. The part secured to the box includes a reinforcement member having at least one wing piece which engages a portion of the separable part in the locked position to prevent tilting of the separable part by prying. The lock for the separable part is shown as a plunger type lock, to be inserted in a deep tubular chamber.

REFERENCES:
patent: 321628 (1885-07-01), Nelson
patent: 1019343 (1912-03-01), Moore et al.
patent: 1126064 (1915-01-01), Mulholland
patent: 3867822 (1975-02-01), Morse et al.
patent: 3976345 (1976-08-01), Walters
patent: 4008585 (1977-02-01), Lundberg
patent: 4031722 (1977-06-01), Michelman et al.

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