Security closure apparatus for buildings

Details Security closure apparatus for buildings Security closure apparatus for buildings

1979-07-30

1984-02-14

Bonck, Rodney H.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Plural strip, slat, or panel assemblies

292259R, E06B 348, E05C 1918

Patent

active

044310447

ABSTRACT:
A security shutter resistant to forced entry comprising a fixed frame and panels. The panels are provided with upper and lower brackets with which there cooperate locking elements to unite the panels and the frame in the closed position of the shutter. The locking elements are moved by rods and connected to levers which are unitary with control bars. The shutter is resistant to break-ins.

REFERENCES:
patent: 2887735 (1959-05-01), Coffey
patent: 3020951 (1962-02-01), Graulich
patent: 3856373 (1974-12-01), Tucich
patent: 3865426 (1975-02-01), Barnhart

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