Entrance door security plate

Details Entrance door security plate Entrance door security plate

1982-06-18

1984-07-10

Holko, Thomas J.

Closure fasteners

Bolt guards

70417, 49460, 49504, E05B 1700

Patent

active

044589310

ABSTRACT:
A security plate for entrance doors adapted to be secured by tamper resistant fasteners to the stop member of a door frame. The plate is elongated to extend above and below the lock area of the door. The plate has a relatively thick flat edge that abuts a closed door and the plate is formed with a concave portion adajcent the thick edge and connected thereto by a smooth tool-deflecting ramp.

REFERENCES:
patent: 3377094 (1968-04-01), Thompson
patent: 3645045 (1972-02-01), Gervis et al.
patent: 3976318 (1976-08-01), Krus
patent: 4057275 (1977-11-01), La Beaud

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