Linear Light Fixture Joining Mechanism for Low-Leakage Installation

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Solution Overview

Problem

Existing methods for joining linear light fixtures to minimize light leakage are either ineffective or complicate the installation process, increasing costs and installer frustration.

Innovation Solution

A joining system comprising a pulling apparatus with proximal and distal portions, a bracket with frame and pulling apparatus receiving features, and anchors with coupling features, which facilitate the secure and efficient connection of adjacent light fixtures while reducing light leakage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If clips or brackets with screws are used to join light fixtures, then light leakage between adjacent fixtures is minimized, but the installation process becomes complicated and costs increase

Engineering Contradiction:
Improvelight leakageVSAvoidinstallation process complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The joining system is divided into separate functional components: a bracket that attaches to the first fixture, a pulling apparatus with distal and proximal portions, and anchors that attach to the second fixture. This segmentation allows each component to perform its specific function independently, simplifying the overall installation process while maintaining effectiveness in preventing light leakage.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pulling apparatus serves as an intermediary mechanism between the bracket and anchors. It provides a simple pulling interface that translates user effort into the force needed to secure the second fixture to the first, eliminating the need for complex screw-bracket systems while achieving the same light leakage prevention goal.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If more complex joining methods are used to reduce light leakage, then light leakage control improves, but installation time and installer frustration increase

Engineering Contradiction:
Improvelight leakage controlVSAvoidinstallation time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The pulling apparatus is designed to be self-explanatory and self-installing. The distal portion with coupling features automatically interfaces with the anchors on the second fixture when pulled, and the system provides its own guidance through the aperture. This self-service design eliminates the need for complex alignment procedures or specialized installer knowledge, reducing installation time while maintaining effective light leakage control.

Inventive Principle:
Principle #25Self-service

3Object-affected harmful factors

If traditional joining methods are used, then light leakage is reduced, but the number of parts and inventory requirements increase

Engineering Contradiction:
Improvelight leakageVSAvoidnumber of parts
Core Design Contradiction:
Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

The bracket and pulling apparatus are designed to work together as an integrated system. The bracket's pulling apparatus receiving feature interfaces directly with the pulling apparatus, combining the attachment and pulling functions into a unified mechanism. This merging reduces the total number of separate parts compared to traditional screw-bracket systems while maintaining effective light leakage control.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS12546463B2Light fixture joining system
Publication Date: 2026.02.10 SIGNIFY HOLDING BV
  • US12546463B2 patent drawing
  • US12546463B2 patent drawing
  • US12546463B2 patent drawing

AI summary

A joining system (195) for joining adjacent light fixtures (190) can include a pulling apparatus (550) and a bracket (440) configured to be coupled to a frame (220-1) of a first light fixture (190-1). The joining system (195) can also include a first anchor (660-1) and a second anchor (660-2) configured to be coupled to the frame (220-2) of a second light fixture (190-2), wherein the anchors include a pulling apparatus coupling feature that is configured to couple to a distal portion of the pulling apparatus. A distal end of the distal portion of the pulling apparatus can be configured to traverse through an aperture in a top wall of the frame of the first light fixture. The second light fixture can be pulled along the bracket toward the first light fixture when a sufficiently large upward force is applied to the distal end of a distal portion of the pulling apparatus.