Security screens

Flexible or portable closure – partition – or panel – Framed type – Two superimposed frame elements – fabric clamping

Patent

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Details

160371, A47G 500

Patent

active

049324578

ABSTRACT:
Improvements to the design of metal frames of security screens are disclosed. The improvements, each of which may be applied individually or in conjunction with any combination or all of the other improvements, include a retainer groove in the frame into which is inserted the ends of the screen mesh and of a tension retainer bar to prevent the mesh and bar from pulling away from the screen frame when a force is applied against the screen mesh, a second line of tension retainer bar fasteners, grooves on the retainer wall of the tension retainer bar to prevent fasteners from slipping during insertion, vinyl or felt extender tongues extending from the frame perpendicularly to each other, refinements to the design of the screen frame to maintain the structural integrity of the screen frame while accommodating the aforesaid retainer groove, and the insertion of the ends of a center brace into slots in the outside frame members or the use of insertion keys to better secure the center brace.

REFERENCES:
patent: 1273222 (1918-07-01), Higgin et al.
patent: 1602096 (1926-10-01), Barnes
patent: 1788296 (1931-01-01), Herndon
patent: 4757967 (1988-07-01), Delmore et al.

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