Armoured ventilation grille
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United States of America Patent
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Feb 23, 2016
Grant Date -
May 14, 2015
app pub date -
Apr 30, 2013
filing date -
May 14, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an armored ventilation grille for an opening, the grille including an outer side to be exposed to a projectile shot and an inner side to be applied to the opening, the grille including a plurality of parallel bars, the bars having a V-shaped cross-section, each limb of the V being made of of a blade, the blades being arranged in chevrons in order to form baffles such that at least one blade is located in the trajectory of the projectile shot whatever the incidence may be. The grille according to the invention wherein the outer blades is made an armored material while the inner blades made of a ductile material, the blades all being fixed to transverse members in the bearing ranges in such a way that they can be disassembled.
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