Ceiling Canopy Asymmetric Engagement Interface
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Solution Overview
Problem
Conventional canopy systems for ceiling-mounted light fixtures tend to rotate relative to the t-bar connector, especially when not circular, requiring additional time and effort for installation and adjustment, and may appear misaligned due to rotational movement.
Innovation Solution
A ceiling connector assembly with a canopy featuring first and second engagement surfaces that form an interface to inhibit perceptible rotation, including alignment members and a central passage to accommodate different sizes of t-bar connectors, ensuring the canopy remains securely positioned and aligned.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional canopy is used to cover the mounting end region, then the canopy can be installed quickly, but the canopy rotates relative to the t-bar connector causing misalignment
Solution Approach 1:
The canopy incorporates asymmetric engagement surfaces including a substantially flat first engagement surface and a substantially perpendicular second engagement surface. This asymmetric geometry prevents rotation by ensuring that the canopy can only be installed in one specific orientation relative to the t-bar connector, thereby maintaining alignment precision while preserving ease of installation.
Solution Approach 2:
The patent introduces an interface comprising engagement surfaces as an intermediary between the canopy and the mounting end region. This interface acts as a mediator that transmits the mounting forces while constraining rotational movement, allowing the canopy to be securely attached without rotation and maintaining both installation speed and alignment precision.
2Manufacturing precision
If a non-circular canopy is used to prevent rotation, then alignment is maintained, but additional time and effort are required for installation and adjustment
Solution Approach 1:
The canopy's asymmetric engagement surfaces are designed to automatically guide the installer into the correct orientation during installation. The geometry of the first and second engagement surfaces self-aligns the canopy with the mounting end region, eliminating the need for additional adjustment time and effort while maintaining alignment precision.
3Ease of operation
If the canopy is made circular to simplify installation, then installation is faster, but rotation relative to the t-bar becomes noticeable
Solution Approach 1:
The patent deliberately employs asymmetric engagement surfaces instead of a circular canopy. The substantially flat first engagement surface and substantially perpendicular second engagement surface create an inherently directional interface that prevents rotation, achieving both installation ease and rotational alignment without requiring complex adjustment mechanisms.
Data Source
AI summary
A canopy for use with a ceiling connector mountable at a designated ceiling location to define a mounting end region thereon, includes a body securable to the mounting end region by a rotationally operable connector, wherein the body is configured to form a mounting interface with the mounting end region to block perceptible relative rotation therebetween about a rotation axis defined by the connector by forces associated therewith, wherein the mounting interface is defined by at least one first engagement surface on the canopy configured to be in contact with at least corresponding second engagement surface on the mounting end region.