Burglar-proof lock protector

Details Burglar-proof lock protector Burglar-proof lock protector

1975-09-22

1976-08-24

Wolfe, Robert L.

Closure fasteners

Bolt guards

70417, 70418, 70DIG56, E05B 1700

Patent

active

039763188

ABSTRACT:
A burglar-proof protector for locks mounted on doors having a cover enshrouding the lock and secured to the door with an opening in the center of the cover for receiving a key to permit actuation of the lock. A plate member is secured to the jamb of the doorway adjacent the cover to prevent manipulation of a tool between the cover and the jamb whereby the jamb may be damaged and the bolt retracted without the use of a key.

REFERENCES:
patent: 1814961 (1931-07-01), Phillips
patent: 2144075 (1939-01-01), Mora
patent: 2798753 (1957-07-01), Wade
patent: 3645045 (1972-02-01), Gervis

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