Torsion flex shield (flat) - protective lens shield with torsion

Details Torsion flex shield (flat) - protective lens shield with torsion Torsion flex shield (flat) - protective lens shield with torsion

1995-02-07

1997-07-29

Husar, Stephen F.

Illumination

Guard means

362431, F21V 1500

Patent

active

056516126

ABSTRACT:
A flat tear drop shaped protective lens shield (12) with a torsion adjustment system (3) and simple one bolt mounting bracket clamp (1). The protective lens shield is constructed of dual layers and thicknesses of polycarbonate sheets (12) which have ballistic containment properties. The bracket clamp (1), clamp bolt assembly (2), adjustment carriage bolt (3), threaded adjustment housing (4), and arm-shield adjustment arm (5) are constructed of steel with a galvanized coating for a corrosion resistant longer life. The hook and cable assembly (FIG. 2) is comprised of a hook (8), cable (9), and a cable assembly bolt (10) which is stainless steel corrosion resistant materials. The torsion flex system is enhanced by the adjustable torsion carriage bolt (3). This adjustment allows for a flex in the polycarbonate sheets allowing it to absorb the energy from objects attempting to penetrate the shield (12). The rubber grommets (11) allow for movement, yet they hold the polycarbonate sheets together to perform the task of an expansion joint The hook and cable assembly (FIG. 2) allows for a custom attachment to the existing light lens cover (6A) no matter where the location of the interior gussets are positioned. This custom attachment allows this protection shield to adapt to any make or model cobra head street light. This protective shield is lightweight, easily attached to the pole arm (13) and swings away for easy luminaire maintenance.

REFERENCES:
patent: 3315072 (1967-04-01), Harling
patent: 4010362 (1977-03-01), Fletcher
patent: 4160286 (1979-07-01), Merritt
patent: 4432045 (1984-02-01), Merritt
patent: 4460945 (1984-07-01), Chan et al.

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