Rotatable Load Break Tool for Easy Release Positioning
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Solution Overview
Problem
Existing load break tools often struggle for the operator to quickly and easily reach the necessary position to release the tool without binding or catching on cutouts or switches due to limited rotational flexibility.
Innovation Solution
A load break tool with a rotatable hook engaging terminal and a sleeve that slides between retracted and extended positions, providing rotational flexibility to facilitate easier engagement and disengagement with circuit isolating devices, allowing the hook loop to rotate relative to the clip assembly and main housing for improved access and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the load break tool is made rigid for structural stability, then the structural strength is improved, but the operator cannot easily reach the required position to release the tool without binding or catching on cutouts or switches
Solution Approach 1:
The patent applies the dynamics principle by making the hook engaging terminal rotatable relative to the main housing through a rotational mechanism. This allows the tool to adapt its orientation dynamically during operation, enabling the operator to easily reach the release position without binding or catching on cutouts or switches, while maintaining structural integrity through the controlled rotational movement.
2Device complexity
If the hook engaging terminal is fixed relative to the main housing, then the device complexity is reduced, but the operator cannot achieve optimal positioning during installation and removal
Solution Approach 1:
The patent implements a rotational mechanism that allows the hook engaging terminal to rotate relative to the main housing. This dynamic capability enables the operator to achieve optimal positioning during installation and removal operations without significantly increasing device complexity, as the rotational mechanism is integrated into the existing structure through the sleeve and hub assembly.
Data Source
AI summary
A load break tool is disclosed. The load break tool includes a main housing; a sleeve having a first end and a second end coaxially mounted in the main housing and slidable between a retracted position and an extended position, wherein the second end of the sleeve remains in the main housing in the extended position; a clip assembly connected to the main housing for engaging a pull ring of a circuit isolating device; and a hook engaging terminal rotatably connected to the first end of the sleeve, such that the hook engaging terminal rotates relative to the clip assembly.