Movable or removable closures – With protective grille or safety guard – Adjustable to various size opening
Patent
1984-08-16
1986-10-07
Downey, Kenneth
Movable or removable closures
With protective grille or safety guard
Adjustable to various size opening
49 56, E06B 368
Patent
active
046151427
ABSTRACT:
A burglar bar apparatus and method of assembly, for safety and security, suitable for installation in apertures of buildings is disclosed. The burglar bar apparatus comprises a totally unwelded structure with primary components being a gate member having cross rods and lateral rods, mounts for attaching the gate member to the aperture, and a locking mechanism to secure the gate in the aperture. The method for assembling the burglar bar device consists of cutting appropriate lengths of rods into a grid gate that restricts the movement of the individual rods, mounting the grid gate in the aperture, and locking the grid gate for preventing unauthorized ingression or egression.
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patent: 4475309 (1984-10-01), Porter
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