Screen frame having corners under compression

Details Screen frame having corners under compression Screen frame having corners under compression

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 13/20 (2006.01) E06B 9/52 (2006.01)

Patent

CA 2431624

A frame for a ventilation screen-frame assembly includes a body having a mounting surface for receiving ventilation screen material. In one example, the body has at least three V-shaped cuts partially through it. Each V-shaped cut leaves an edge of the body uncut. The body is folded about each uncut edge so that the ends of the body meet at a corner. Each V-shaped cut subtends an angle 2 that is slightly less than 90 degrees, so that the folded corners are in compression. The assembly further includes a single corner key for joining the ends of the body into a closed frame. A reinforcement clip may optionally be provided in each folded corner.

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