Electrical Junction Box with Integrated Joist Mounting
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Solution Overview
Problem
Existing electrical junction boxes are costly and complex, failing to provide adequate support for heavy electrical fixtures and ceiling fans while minimizing complexity and cost.
Innovation Solution
A compact, securely fastened electrical junction box with a planar base, upwardly extending walls, and an electrical lead receiving compartment, featuring slots and apertures for fastening to a joist, and a chamber for housing electrical leads, made from a non-electrically conductive polymer for enhanced structural support and reduced complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional electrical junction boxes are used, then electrical wiring and connectors are housed, but they cannot securely support heavy loads such as electrical fixtures and ceiling fans
Solution Approach 1:
The patent combines the load support function and electrical housing function into a single integrated junction box structure. The box includes a mounting plate with load support means (such as embedded anchors or reinforcement ribs) that can securely support heavy fixtures, while simultaneously providing a enclosed space for electrical wiring and connectors. This merging eliminates the need for separate support structures and electrical boxes, reducing overall system complexity while achieving both strength requirements.
Solution Approach 2:
The junction box is designed with multi-functionality to serve multiple purposes: it acts as a structural support element for heavy loads, an electrical enclosure for wiring and connectors, and a mounting platform for electrical fixtures. The load support means are integrated directly into the box structure, allowing the same component to fulfill both mechanical support and electrical housing functions, thereby avoiding additional complexity from separate components.
2Strength
If additional support means are added to securely support heavy loads, then load support capacity is improved, but cost and complexity of the box increase
Solution Approach 1:
The load support means are merged with the junction box body as an integral structure. Examples include anchors molded into the mounting plate, reinforcement ribs formed as part of the box walls, or embedded metal inserts that are incorporated during box manufacturing. This integration eliminates the need for separate support components and their associated assembly steps, reducing manufacturing complexity and cost while maintaining adequate load support capacity for heavy fixtures and ceiling fans.
Data Source
AI summary
An electrical junction box is disclosed for hanging a load such as an electrical fixture or a ceiling fan from a ceiling joist, wherein the junction box includes a substantially planar base member and an adjacent compartment for housing electrical leads, wherein the electrical junction box may be firmly attached to the joist.