Spring Loaded Lens Retainers for Linear Luminaire Security
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional linear luminaires lack secure retention mechanisms for elongated lenses, leading to potential displacement and falling, which can cause damage or harm due to improper installation, size issues, or temperature-induced shrinkage.
Innovation Solution
The luminaire incorporates a lens retainer apparatus with spring levers biased towards the opposite end of the cavity, ensuring the elongate lens is snugly retained, using a frame with interior perimeter surfaces extending into the cavity for enhanced retention, and optionally including a second lens retainer at the other end for dual retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the lens is held only at each end of the luminaire, then the installation is simple, but the lens may shift out of position and fall
Solution Approach 1:
The lens retention system is divided into multiple independent spring-loaded retainer units distributed along the length of the lens. Each retainer independently engages with the lens at multiple points, providing localized retention forces that collectively secure the entire lens assembly, preventing both shifting and falling while maintaining simple installation.
2Reliability
If a secure retention mechanism is added to prevent lens displacement, then the lens retention security is improved, but the device complexity increases
Solution Approach 1:
The spring-loaded retainers are designed to automatically engage with the lens upon installation without requiring manual adjustment or additional fastening steps. The spring force self-adjusts to accommodate normal variations in lens dimensions, and the retainers self-lock into position, providing secure retention while maintaining installation simplicity and avoiding complex adjustment mechanisms.
3Ease of repair
If the lens is made removable for access to the light source, then the ease of maintenance is improved, but the lens may become dislodged
Solution Approach 1:
The retention system transitions from a static fixed-position design to a dynamic spring-loaded system that can adapt during both installation and removal operations. The spring retainers allow the lens to be easily inserted and engaged, remain securely held during normal operation, and be readily removed when needed for maintenance, providing both ease of repair and positioning stability throughout the lens lifecycle.
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 solution effectively minimizes the likelihood of the lens becoming dislodged and falling, providing secure retention and safety by utilizing the bias of spring levers and extended interior perimeter surfaces to keep the lens in place.
Implementation Method 1
at least a first spring lever disposed between the first and second frame ends, where the at least first spring lever is biased towards a second end of the elongate interior cavity that is opposite the first end of the elongate interior cavity
Data Source
AI summary
A luminaire includes a body, with first and second surfaces that define an elongate interior cavity between the first and second surfaces, the elongate interior cavity being sized to receive one or more elongate light sources; an elongate lens that is removably securable to the body to at least partially cover the elongate interior cavity; and at least one lens retainer disposed at a first end of the elongate interior cavity, where the lens retainer includes a frame including a first frame end and a second frame end, at least a first spring lever disposed between the first and second frame ends, where the at least first spring lever is biased towards a second end of the elongate interior cavity that is opposite the first end of the elongate interior cavity; where the elongate lens is snugly retainable on the body using the bias provided by the spring lever.