Attached Conduit Body Covers That Prevent Misplacement

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Solution Overview

Problem

Conduit body assemblies often have covers that become misplaced during installation, leading to delays when replacement covers are sourced and installed.

Innovation Solution

An electrical conduit body assembly with a movable connection between the body portion and the cover, allowing the cover to be securely attached and preventing it from being misplaced, using features such as hinges, fasteners, and gaskets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a removable cover is used on conduit bodies, then ease of operation for installing conductors is improved, but the cover becomes prone to misplacement and disassociation

Engineering Contradiction:
Improveease of conductor installationVSAvoidcover retention
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The cover is designed with movable connection mechanisms (hinges, straps, tethers) that allow it to transition between open and closed states while remaining dynamically attached to the body portion, preventing loss while maintaining operational accessibility

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Intermediary elements such as hinges, straps, and tethers are introduced between the cover and body portion to maintain a controlled connection that prevents disassociation while allowing the cover to be opened and closed for conductor installation

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If covers are left uncovered during installation, then ease of operation for wire pulling is improved, but time is lost due to misplacement and replacement delays

Engineering Contradiction:
Improveease of wire pullingVSAvoidinstallation delay
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The cover is preliminarily attached to the body portion via movable connections before the installation process begins, ensuring that even when opened for wire pulling, the cover remains associated with the conduit body and cannot be misplaced or lost

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

Intermediary connection elements (hinges, straps, tethers) maintain the association between cover and body portion throughout the installation process, preventing the cover from being separated or lost while still allowing access for wire pulling operations

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If fasteners are used to secure the cover, then reliability of cover attachment is improved, but device complexity increases

Engineering Contradiction:
Improvecover attachment securityVSAvoidassembly complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The fastening system is designed to be dynamically applied only when needed (during final assembly or inspection), rather than being permanently fixed, allowing the cover to remain accessible during installation while ensuring security when closed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fasteners serve as temporary or conditional elements that are applied to secure the cover in the closed state but can be removed or engaged as needed, rather than being permanent fixtures that increase complexity throughout the entire device lifecycle

Inventive Principle:
Principle #34Discarding and recovering

Data Source

PatentUS12272938B2Conduit body assemblies having attached covers
Publication Date: 2025.04.08 HUBBELL INC
  • US12272938B2 patent drawing
  • US12272938B2 patent drawing
  • US12272938B2 patent drawing

AI summary

An electrical conduit body assembly is provided. The assembly includes a body portion, a cover, and a movable connection. The movable connection connects the body portion and the cover to one another so that the cover can be moved with respect to the body portion between an open state and a closed state in a manner that prevents the cover from being misplaced or disassociated from the body portion.