T-Bar Mounting Bracket With Adjustable Clip For Recessed Lighting

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Solution Overview

Problem

Current luminaire mounting systems for recessed fixtures in T-grid ceiling systems require multiple tools and complex connections, making installation difficult and unsafe, especially when working above the ceiling level.

Innovation Solution

A T-bar mounting system with a bracket and clip assembly that allows tool-free installation, featuring a bracket with an adjustment aperture, a releasable clip, and a fastener for secure attachment to the T-grid, providing three points of contact for stability and preventing ceiling tile float.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional mounting systems are used to attach hanger bars to inverted T-grid, then structural support is provided, but multiple tools and complex connections are required making installation difficult and unsafe

Engineering Contradiction:
Improveinstallation easeVSAvoidmounting system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The mounting system is divided into separate functional components: a bar engagement portion that attaches to the T-bar grid, a fixture support portion that holds the luminaire, and an adjustment mechanism with aperture and positioning features. This segmentation allows each component to be optimized independently while simplifying the overall installation process through modular assembly without requiring multiple tools.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bracket acts as an intermediary component between the T-bar grid and the luminaire fixture. It provides a standardized interface that simplifies the connection process by eliminating the need for complex direct attachments or multiple specialized tools, thereby reducing installation complexity while maintaining structural support.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If multiple connections are used to secure the fixture, then stability is improved, but installation time increases and safety decreases when working above ceiling level

Engineering Contradiction:
Improvefixture stabilityVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The bracket is pre-configured with aperture positions, locator tabs, and adjustment features during manufacturing. These preliminary actions allow the installer to quickly achieve proper positioning and secure connections without requiring multiple adjustment steps or tools during installation, thereby reducing installation time while maintaining fixture stability through pre-engineered connection points.

Inventive Principle:
Principle #10Preliminary action

3Manufacturing precision

If adjustment mechanisms are added to the mounting system, then positioning precision is improved, but device complexity increases

Engineering Contradiction:
Improvepositioning precisionVSAvoidmounting mechanism complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The adjustment mechanism utilizes a vertical aperture dimension within the bracket to enable positioning adjustments. By incorporating multiple aperture positions along the vertical axis, the system achieves precise positioning capability without requiring complex lateral adjustment mechanisms or additional components, thereby maintaining simplicity while improving positioning precision.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS7874708B1T-bar mounting system
Publication Date: 2011.01.25 SIGNIFY NORTH AMERICA CORP
  • US7874708B1 patent drawing
  • US7874708B1 patent drawing
  • US7874708B1 patent drawing

AI summary

A T-bar mounting bracket assembly for a luminaire fixture frame having a bracket, a clip vertically adjustable relative to the bracket, the clip extending through an opening in the bracket, a fastener extending through the bracket and the clip and, the fastener spaced from a location where the clip passes through the opening.