Static structures (e.g. – buildings) – Facer held by stiffener-type frame – Facer back abuts and conceals frame
Patent
1988-02-26
1989-07-18
Safavi, Michael
Static structures (e.g., buildings)
Facer held by stiffener-type frame
Facer back abuts and conceals frame
52484, 52716, 52DIG8, E04B 552, E04F 1902
Patent
active
048480541
ABSTRACT:
For easy installation onto conventional inverted T-bar subceiling support framework, hollow miniature beams of this invention are readily attached onto the bottom flanges of the T-bar rails without requiring fastening hardware or tools. The beams are supported by return flanges at the top of their sidewalls, resting on the top sides of the flanges of the T-bar rail. The beams may be extruded from plastic for light weight, reinforced by a transverse web bridging the top region of the sidewalls. Other U-shaped configurations, without the web, are suited to roll- or brake-forming from sheet metal, or extruding from aluminum. A longitudinal groove is provided along the upper portion of each sidewall; the inward intrusions of the grooves, in co-operation with the bridge web when used, function as a strike plate against the bottom side of the rail flanges to constrain the beam from skewing or working upwards. The groove contributes to the strength and light weight of the beam, and provides a distinctive styling feature in the overall appearance of the subceiling. Notches, for intersection clearance in standard support framework grid patterns, may be provided in the beams as supplied from the factory, and/or custom notching may be implemented in the field.
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Blitzer Jacob H.
O'Toole Richard M.
McTaggert J. E.
Safavi Michael
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