Accessible Stabilizer Bar for Ceiling Grid
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Solution Overview
Problem
Suspended ceiling grid elements bend or twist under the weight of larger panels, leading to panel slippage or falling, and existing stabilizer bars cannot be easily reinstalled after access to the plenum is gained.
Innovation Solution
A reinstallable stabilizer bar that is rigidly affixed to the rear side of the ceiling panel, engaging parallel grid runners with hook structures to restrain grid members from excessive bowing or tilting, allowing for secure panel placement and reinstallation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If grid elements are designed with standard construction for common grid module sizes, then the grid elements can withstand forces in standard sizes, but the grid elements bend and twist under the weight of larger panels
Solution Approach 1:
A stabilizer bar is introduced as an intermediary component between the panel and grid runners. The stabilizer bar engages with reinforcing bulbs on the grid runners to provide lateral restraint, preventing excessive bowing and tilting of the grid elements under panel weight
Solution Approach 2:
The stabilizer bar adds a lateral restraint dimension to the grid system. By engaging hooks with the reinforcing bulbs on grid runners, it creates a three-dimensional stabilization mechanism that prevents out-of-plane deformation of grid elements
2Reliability
If prior art stabilizer bars are installed in ceiling grid modules, then they maintain grid element positions, but they cannot be relocated or reinstalled after panels are raised for plenum access
Solution Approach 1:
The stabilizer bar system is segmented into removable components that can be detached from panels and grid runners. The hooks engage with reinforcing bulbs in a manner that allows removal and reinstallation, enabling access to the plenum while maintaining the capability to restore the stabilization function
Solution Approach 2:
The stabilizer bar transitions from a fixed installation to a dynamic, removable system. The hook engagement mechanism allows the stabilizer bar to be installed, removed for access, and reinstalled, adapting to different operational states of the ceiling system
3Area of stationary object
If grid elements have unusually long unrestrained length, then larger panels can be accommodated, but the grid elements deflect and twist beyond normal limits
Solution Approach 1:
The stabilizer bar serves as a mediator that provides intermediate support points along the length of grid runners. This effectively reduces the unrestrained length of grid elements, allowing larger panel coverage while maintaining position accuracy through periodic stabilization
Data Source
AI summary
An elongated stabilizer bar for maintaining a pair of grid runners in parallel upright positions to support a panel on respective grid runner support surfaces, the stabilizer bar having a horizontal leg and a vertical leg, the horizontal leg having self-penetrating tabs arranged to pierce and thereby grip a core of the panel to fix the stabilizer bar to the panel, a vertical leg having a vertical slot at each end, the slot having an open bottom, the slot having a horizontal width adapted to receive and confine an upper reinforcing bulb of a respective one of the pair of grid runners to thereby restrain the respective grid runner against excessive bowing and twisting deflection.