Canopy Lock Tool-Free Lighting Fixture Attachment
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Solution Overview
Problem
The installation of lighting fixtures in elevated locations is challenging due to the need for tools and separate fastening hardware, making the process difficult and time-consuming, especially when securing a canopy to a lighting fixture without deflectable fingers.
Innovation Solution
A canopy lock is designed to be inserted between the deflectable fingers of a canopy, preventing inward deflection and securing the connection between the canopy and the lighting fixture, allowing for tool-free attachment and easy access for wiring and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If deflectable fingers are used to attach the canopy to the lighting fixture, then the canopy can be resiliently secured to the housing, but the installer requires tools and separate fastening hardware making installation difficult and time-consuming
Solution Approach 1:
The canopy lock combines multiple functions into a single integrated component: it acts as both the fastening mechanism and the securing element simultaneously. The lock integrates the canopy attachment function with the finger deflection prevention function, eliminating the need for separate screws or fasteners and enabling tool-free installation.
Solution Approach 2:
The canopy lock is designed to be self-installing by simply snapping into place between the deflectable fingers. The installation process does not require external tools or additional fastening hardware - the lock itself performs the securing action through its elastic engagement with the canopy structure, making the system self-servicing during installation.
2Reliability
If a lock is inserted into the canopy opening to prevent finger deflection, then the connection between canopy and lighting fixture is secured, but the structure becomes more complex
Solution Approach 1:
The canopy lock serves as an intermediary element that mediates between the deflectable fingers and the canopy body. It inserts into the canopy opening and positions itself between the fingers, using the fingers' natural deflection motion to engage and lock into place, thereby securing the connection without requiring complex mechanical fastening systems.
3Productivity
If multiple separate fastening hardware components are used to secure the canopy, then the attachment can be very secure, but the installation process becomes time-consuming and requires multiple tools
Solution Approach 1:
The canopy lock is segmented into distinct functional zones: an insertion portion that enters the canopy opening, a locking portion that engages between the deflectable fingers, and a retention portion that maintains the locked position. This segmentation allows each zone to perform its specific function efficiently, enabling rapid tool-free installation while maintaining secure attachment.
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
The canopy lock facilitates quick and secure attachment of lighting fixtures to canopies without tools, reducing installation time and enabling easy access for maintenance and wire access post-installation.
Implementation Method 1
The canopy further includes a pair of inwardly deflectable fingers for insertion into the fixture opening for resilient securement to the perimetrical wall of the lighting fixture
Data Source
AI summary
A sign-type lighting fixture assembly is provided herein. The assembly includes an illuminating lighting fixture, a canopy, and a canopy lock. The lighting fixture has a housing with a perimetrical wall. The perimetrical wall includes a fixture opening therein. The canopy secures the lighting fixture to the canopy. The canopy has a canopy opening for passage of electrical wires. The canopy further includes a pair of inwardly deflectable fingers for insertion into the fixture opening for resilient securement to the perimetrical wall of the lighting fixture. The canopy lock is configured to be inserted into the canopy opening. The canopy lock is disposed between the pair of deflectable fingers of the canopy to prevent inward deflection of the fingers of the canopy to prevent removal from the lighting fixture.