Cable Conductor Cutting Tool with Shoulder Reference
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Solution Overview
Problem
Existing methods for cutting electrical cable conductors to precise lengths are insufficiently precise, particularly for applications in information technology where higher precision is required than what can be achieved with traditional tools like rulers.
Innovation Solution
A tool with a body featuring a reference face and an orthogonal channel with a first part of larger cross-section and a second part of smaller cross-section, separated by a shoulder, allowing the cable to be adjusted to a precise length, enabling the cutting of conductor ends to a predetermined length using a cutting tool on the reference face.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a ruler or traditional measuring tool is used to cut conductors, then the cutting process is simple and fast, but the precision of the conductor length is insufficient
Solution Approach 1:
The patent introduces an intermediary reference system consisting of a reference face and a channel with a shoulder. The channel acts as a mediator between the conductor and the cutting tool, providing a precise geometric reference (the shoulder at a known distance from the reference face) that enables accurate length measurement without requiring complex measuring instruments.
Solution Approach 2:
The tool performs preliminary positioning and measurement before cutting. The conductor is first inserted into the channel and positioned against the shoulder, which establishes the precise length reference in advance. This preliminary action ensures that when the cutting tool operates along the reference face, the conductor is already correctly positioned for precise cutting.
2Ease of operation
If the channel cross-section is uniform, then the structure is simple, but the conductors cannot pass easily through the channel
Solution Approach 1:
The channel cross-section is made asymmetric with respect to its length, featuring a larger cross-sectional area at the insertion end and a smaller cross-sectional area near the reference face. This asymmetric design facilitates easy insertion of the conductor while maintaining precise positioning at the cutting end, resolving the contradiction between ease of operation and structural simplicity.
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
Enables high-precision cutting of electrical cable conductors, ensuring that the projecting ends are trimmed to a precise length, facilitating their connection and meeting the precise requirements of information technology applications.
Implementation Method 1
said first part of the channel is able to accommodate with slight friction said electrical cable such that said end of the insulating sheath comes into butting contact with said shoulder
Implementation Method 2
said second part of the channel is able to accommodate with slight friction the whole of said projecting end portions of said conductors and, on the opposite side to said shoulder, opens into said reference face
Data Source
AI summary
A tool for assisting in cutting the conductors of an electrical cable to a precise length includes a body, the body being pierced with a channel which is orthogonal to a reference face and which is equipped with a shoulder. The distance between the shoulder and the reference face is equal to the desired length of the end portions of the conductors of the electrical cable outside the outer insulating sheath thereof.