Spring-Loaded Pivotable Rail for Below-Grid Lighting Installation
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Solution Overview
Problem
The installation of recessed lighting fixtures in suspended mechanical ceilings is challenging due to their thickness, requiring them to be maneuvered above the ceiling grid, which increases ceiling depth and complicates the process with obstructions like plumbing and HVAC ducting, making below-the-grid installation desirable.
Innovation Solution
A spring-loaded, pivotable rail assembly that allows the lighting fixture to be inserted through the ceiling grid from below, with a rail that pivots downward for clearance and returns to its extended position to rest on the grid, supporting the fixture and eliminating the need for above-the-grid maneuvering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If lighting fixtures are installed from above the grid, then the fixtures can be properly positioned, but the ceiling depth must be increased and obstructions like plumbing and HVAC ducting complicate the installation
Solution Approach 1:
The rail assembly incorporates a spring mechanism that allows the rail to dynamically adjust its position. During installation from below, the spring compresses to allow the rail to pivot downward, creating clearance. Once installed, the spring extends to push the rail into its support position, eliminating the need for increased ceiling depth while maintaining ease of installation.
Solution Approach 2:
The rail is pre-configured with a downward pivot capability and spring loading mechanism that prepares the assembly for below-the-grid insertion. This preliminary configuration allows the rail to automatically clear obstructions and position itself correctly during installation, simplifying the installation process without requiring additional ceiling depth.
2Ease of operation
If lighting fixtures are installed from above the grid, then the fixtures can be properly positioned, but nearby obstructions like plumbing and HVAC ducting complicate the installation
Solution Approach 1:
Instead of installing the fixture from above the grid as traditionally done, the invention enables installation from below the grid. The rail assembly is designed to be inserted upward through the ceiling tiles, reversing the installation direction to avoid obstructions like plumbing and HVAC ducting that are located above the grid.
Solution Approach 2:
The spring-loaded rail assembly dynamically adapts to obstructions during installation. As the rail is inserted from below, the spring allows the rail to pivot downward when encountering obstructions, creating clearance. This dynamic adjustment enables successful installation through obstructed areas that would block traditional above-grid installation approaches.
3Strength
If the rail is extended to support the fixture, then the fixture is securely supported, but the rail cannot be inserted from below the grid
Solution Approach 1:
The rail assembly uses a spring mechanism that provides dynamic positioning. During installation, the spring allows the rail to compress and pivot downward, enabling insertion from below the grid. Once installed, the spring extends to push the rail into its extended support position, providing secure fixture support. This dynamic behavior resolves the contradiction between needing the rail extended for support and needing it compact for below-grid insertion.
Solution Approach 2:
The spring-loaded mechanism automatically transitions the rail from a compressed insertion state to an extended support state without manual intervention. After the fixture is inserted from below and the rail is released, the spring self-activates to extend the rail to its support position, providing secure fixation without requiring additional manual adjustment or tools.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the installation of lighting fixtures from below the grid, reducing ceiling depth requirements and simplifying installations in obstructed areas, while providing secure support within the ceiling grid.
Implementation Method 1
The spring tension biases the rail of the rail assembly back to its original, extended position once the fixture is above the grid
Data Source
AI summary
A lighting fixture for installation in a ceiling grid includes a lighting assembly and at least one pivotable rail assembly attached to the lighting assembly. The rail assembly includes at least one mounting bracket, a rail and a spring. The rail is pivotable relative to the at least one mounting bracket. To insert the lighting fixture into the ceiling grid, the rail is rotated relative to the mounting bracket such that the rail will clear the ceiling grid, thereby compressing the spring. The lighting fixture is inserted into the ceiling grid and the rail is released. The compression of the spring is relaxed, and the rail rotates back into its original position. The rail, now extending beyond the boundary of the ceiling grid, rests on the ceiling grid is thereby secured within the ceiling grid.