High security blast resistant door leaf

Details High security blast resistant door leaf High security blast resistant door leaf

1990-10-15

1991-10-29

Lindsey, Rodney M.

Safes, bank protection, or a related device

Shields and protectors

109 74, 109 65, 109 80, 109 82, 70DIG49, E06B 900

Patent

active

050605828

ABSTRACT:
A bullet and blast resistance door leaf is comprised of inner and outer sheets connected by a profile section forming an end face of said leaf. The profile section includes an outer step and an inner step, the outer step extending laterally outwardly beyond the inner step. Outer and inner plates are connected to the outer and inner steps respectively, dividing the interior of the leaf into inner, outer and central chambers. A lock mechanism is mounted in the central chamber and projects through the profile, the lock mechanism being shielded by the outer plate. The inner and outer chambers may include insulation, and the outer chamber may include a sensor for activating an alarm.

REFERENCES:
patent: 1035164 (1912-08-01), Custer
patent: 1118435 (1914-11-01), Mosler et al.
patent: 1623155 (1927-04-01), Bellamore
patent: 2492422 (1949-12-01), Govan
patent: 2552515 (1951-05-01), Bremer
patent: 3179553 (1965-04-01), Franklin
patent: 3810145 (1974-05-01), Gusaras
patent: 4523528 (1985-06-01), Hastings et al.
patent: 4567100 (1986-01-01), Pickett et al.
patent: 4727789 (1988-03-01), Katsanis et al.
patent: 4822657 (1989-04-01), Simpson

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