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Surface mounted grid system
| Details |
Inventors: Rebman, Robert J.;
Assignee: Acoustic Ceiling Products, L.L.C. (Neenah, WI)
Primary Examiner: Canfield; Robert
Assistant Examiner:
Attorney, Agent or Firm: Michael Best & Friedrich LLP
A surface mounted grid system for use in association with a substructure and for supporting an array of tile panels which comprises: (a) a plurality of main runners and cross-runners adaptable arranged normal to each other. The main runner has (i) a horizontally oriented surface and spaced, non-peripheral, longitudinal side walls depending transversely therefrom and includes a plurality of spaced openings; and (ii) a downwardly depending member terminating with a horizontally disposed flange having a longitudinal marginal edge. The cross-runners have (i) a horizontally disposed flange with a transverse marginal edge and arranged in a common plane with the flange of the main runner, and (ii) an intermediate longitudinal web extending transversely from the flange and having a longitudinal projection extending beyond the transverse marginal edge. The projection is adaptable for insertion into the opening upon the perpendicular arrangement to provide for mating engagement of the longitudinal marginal edge of the main runner with the transverse marginal edge of the cross-runner, thereby supporting the cross-runner and preventing undesired disengagement therebetween, and the flange of the main runner and the flange of the cross-runner being disposed to support tile panels in a common plane. |
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DETAILED DESCRIPTION In accordance with my invention, there is provided a surface mounted grid system for supporting an array of tile panels and adaptable for use in association with a substructure, such as a wood joist or other suitable framing member, or an existing ceiling.
Although the grid system is described herein with particular emphasis on a system to support ceiling tile, it should be understood that the grid system can support any panel other than ceiling panels, or can be used on any substructure such as a wall.
Broadly, the grid system of my invention comprises a plurality of spaced, horizontally disposed main runners and cross-runners, which are arranged substantially perpendicular to each other to form a rectangular pattern.
The main runners, which are adaptable for attachment to the substructure, comprises a top member or crosspiece having a horizontally oriented surface or fascia and a downwardly depending member of T-configuration terminating with a horizontally disposed flange.
Depending downwardly from or transversely to the horizontally oriented surface of the crosspiece are non-peripheral, longitudinal side walls, which are spaced apart, and each of the side walls has a plurality of spaced openings or holes, and the holes in one of the side walls are aligned with the holes in the other side wall.
The cross-runners are of a conventional T-configuration and have a horizontally oriented flange, and an intermediate longitudinal web extending transversely from the flange.
The cross-runners are arranged substantially perpendicular to the main runners so that the horizontally oriented flange of the cross-runners are disposed in a common plane with the flange of the main to runners.
Thus, the transverse terminal edge of the flange of the cross-runner abuts the longitudinal terminal edge of the flange of the main runner.
In this manner, the flanges of the main runners and the flanges of the cross-runners support the tile panels in a common plane.
The crosspiece of the main runners may be attached to the substructure as with screws or staples at spaced intervals
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