Adjustable Multi-Gang Mud Ring Assembly for Variable Wall Depths
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Solution Overview
Problem
Existing mud ring assemblies for electrical boxes lack adjustability to accommodate varying wall thicknesses and box depths, leading to installation challenges and potential exposure of electrical components.
Innovation Solution
A multi-gang mud ring assembly featuring a base member, a raised member, a telescoping member, and drive members, allowing for adjustable extension and retraction to fit different wall and box configurations, ensuring secure installation and protection of electrical devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-size mud ring assembly is used, then the structure is simple and easy to manufacture, but it cannot accommodate varying wall thicknesses and box depths
Solution Approach 1:
The mud ring assembly incorporates a telescoping member with mounting tabs that can move between multiple positions (first, second, and third positions) along the electrical box. This dynamic adjustment mechanism allows the assembly to adapt to different wall thicknesses and box depths while maintaining a relatively simple overall structure. The mounting tabs can be positioned at different locations to accommodate varying installation requirements.
Solution Approach 2:
The mud ring assembly is divided into separate functional components including a base member, a telescoping member with multiple mounting tabs, and drive members. This segmentation allows each component to perform its specific function independently while contributing to the overall adaptability of the system. The mounting tabs can be selectively positioned without requiring the entire assembly to be complex.
2Adaptability or versatility
If a telescoping member with multiple mounting tabs is used, then adjustability is improved, but the device complexity increases
Solution Approach 1:
The mounting tabs on the telescoping member serve multiple functions: they can be positioned at different locations to accommodate various wall thicknesses, they provide attachment points for drive members, and they can engage with the electrical box at different depths. This multi-functionality reduces the need for multiple separate components, thereby limiting the increase in device complexity while maximizing adjustability.
3Ease of operation
If mounting tabs are positioned at multiple locations, then installation flexibility is enhanced, but manufacturing complexity increases
Solution Approach 1:
The mounting tabs are pre-positioned at specific locations on the telescoping member during manufacturing, with each tab designed to engage at predetermined positions along the electrical box. This preliminary positioning allows installers to simply select the appropriate tab position based on wall thickness requirements, enhancing installation flexibility without requiring complex manufacturing processes. The tabs are integrated into the telescoping member structure, simplifying both manufacturing and installation.
Data Source
AI summary
A mud ring assembly includes base member, raised member, telescoping member and plurality of drive members. The base member has a flange and an opening through the flange. The raised member extends from the base member and follows the opening in the flange to form a raised wall. The raised member has a plurality of mounting tabs extending from the raised wall toward the opening in the raised member. The telescoping member is positioned within the raised member opening and is movable relative to the raised member between a retracted position and an extended position. The telescoping member has a wall, an opening and a plurality of mounting tabs extending from the wall toward the opening in the telescoping member. Rotation of the drive members causes the telescoping member to move between the retracted position and the extended position.