Drywall Channel Pre-Punched Locating Tabs for Distorted Tee-Runners
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Solution Overview
Problem
Existing drywall suspension grid systems face challenges in securely accommodating tee-runners with distorted ends, which are often cut to length and result in increased height due to burrs, making installation difficult.
Innovation Solution
A U-shaped wall channel with angled horizontal legs and spaced tabs that accommodate the width of tee-runner flanges and reinforcing bulb, allowing for secure capture and installation of tee-runners with distorted ends, and enabling flexible spacing options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If tee-runners are cut to length, then they can be installed at various positions, but the ends become distorted with increased height due to burrs
Solution Approach 1:
The channel is pre-formed with tabs at specific positions and orientations before installation. These tabs are designed in advance to accommodate distorted tee-runner ends, allowing the installer to simply insert the distorted runner into the pre-configured channel without requiring additional fabrication or adjustment.
2Ease of operation
If tabs are added to the channel for locating tee-runners, then installation is simplified and spacing is standardized, but the channel structure becomes more complex
Solution Approach 1:
The locating tabs are integrated directly into the channel structure during the roll-forming process, combining the channel support function with the locating and spacing functions of the tabs. This integration eliminates the need for separate locating devices while standardizing tee-runner spacing at 16 or 24 inches on center.
3Adaptability or versatility
If the channel accommodates distorted tee-runner ends, then installation flexibility is improved, but the accommodation mechanism requires additional structural features
Solution Approach 1:
The channel features localized tabs with specific geometries at critical locations where tee-runners are inserted. These tabs have dimensions and orientations specifically designed to accommodate distorted ends, while the rest of the channel maintains a simple U-shaped structure for support and alignment.
Data Source
AI summary
A wall channel for a drywall ceiling has a generally U-shaped cross-section with a vertical leg interconnecting two generally-horizontal legs. The lower horizontal leg is adapted to support an inverted tee-runner that has a vertical web and opposed flanges, the opposed flanges being adapted to rest on the horizontal leg of the wall angle. The lower horizontal leg is formed with a plurality of pairs of locating tabs that are spaced apart a distance sufficient to accommodate the width of the opposed flanges of the tee-runner. The upper horizontal leg is formed with a plurality of pairs of locating tabs that are spaced apart a distance sufficient to accommodate the width of the reinforcing bulb of the tee-runner.