Recessed Lighting Tray Alignment for Post-Installation Adjustment
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Solution Overview
Problem
Recessed lighting fixtures are difficult to align accurately during installation and can become misaligned during ceiling installation, with no existing method to realign them without removing the ceiling panel.
Innovation Solution
The recessed lighting fixture design includes a tray with laterally extending walls and downwardly directed walls featuring alignment notches and apertures for secure fastening, allowing for precise alignment during installation and re-alignment after ceiling installation by loosening fastening devices and repositioning the tray.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If recessed lighting fixtures are installed using traditional methods without alignment features, then installation is simpler and faster, but alignment precision between adjacent fixtures deteriorates
Solution Approach 1:
Alignment notches are pre-formed on the downwardly directed walls of the tray during manufacturing, enabling installers to align fixtures before final securing. This preliminary alignment feature is built into the fixture structure, allowing precise alignment to be achieved without complex adjustment mechanisms during installation.
Solution Approach 2:
The alignment notches serve as intermediary reference features between adjacent fixtures. By providing physical guides (notches) that engage or align with corresponding features on neighboring fixtures, the system mediates the alignment process, enabling precise positioning without requiring complex measurement or adjustment procedures.
2Ease of operation
If fixtures are secured rigidly during installation, then initial alignment is fixed, but the ability to re-align after ceiling installation is lost
Solution Approach 1:
The fastening system transitions from a static rigid connection to a dynamic adjustable connection. The tray is initially aligned using the notches and secured with fastening devices, but these fastening devices can be loosened to allow the tray to move relative to the pan, enabling re-alignment if fixtures become misaligned after ceiling installation.
Solution Approach 2:
The alignment notches are pre-formed on the downwardly directed walls of the tray, enabling installers to align fixtures before final securing. This preliminary alignment feature is built into the fixture structure, allowing precise alignment to be achieved without complex adjustment mechanisms during installation.
3Manufacturing precision
If alignment features are added to the fixture, then alignment precision improves, but installation time increases
Solution Approach 1:
Alignment notches are pre-formed on the downwardly directed walls of the tray during manufacturing, enabling installers to align fixtures before final securing. This preliminary alignment feature is built into the fixture structure, allowing precise alignment to be achieved without complex adjustment mechanisms during installation.
Data Source
AI summary
Recessed-lighting fixtures having features to facilitate alignment between adjacent fixtures. According to one embodiment of the present invention, alignment means are provided on downwardly directed walls of a recessed lighting tray, ensuring alignment between adjacent fixtures. In another embodiment, apertures on the tray permit relative movement between the tray and a recessed lighting pail, allowing the tray to be quickly and easily repositioned relative to the pan. In yet another embodiment, cavities are provided on the tray for insertion of the trim assembly's alignment tabs to facilitate alignment between the trim assembly and the tray,