Security door having antiprying member

Details Security door having antiprying member Security door having antiprying member

1991-05-09

1992-07-21

Kannan, Philip C.

Movable or removable closures

Handle or protector

70417, 70418, 292346, E05B 1700

Patent

active

051311895

ABSTRACT:
An antiprying member is secured onto a metal frame adjacent a protective flap member secured onto a security door that is hingedly mounted onto the metal frame. The antiprying member extends along the free end of the flap member and has a thickness at least the same as that of the flap member and is spaced from the flap member no greater than the thickness of the flap member to prevent a prying member from bending the flap member away from the metal frame or to pry open the security door. A pin having an annular notch is secured to the flap member and extends through a hole in the door frame to prevent the door frame from being pried or twisted away from the door.

REFERENCES:
patent: 3761119 (1973-09-01), Bennett
patent: 3976318 (1976-08-01), Krus
patent: 3996774 (1976-12-01), Best
patent: 4130311 (1978-12-01), Sushan
patent: 4458931 (1984-07-01), McBurnie
patent: 4484463 (1984-11-01), Hennessy
patent: 4663950 (1987-05-01), Mascotte

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