Offset-Pivot Cable Slitter for Mid-Span Jacket Access
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Solution Overview
Problem
Conventional cable slitters often require feeding the cable through a single end, limiting access and ease of use, especially when cutting mid-span sections of cables.
Innovation Solution
A cable slitter design with a pivot joint offset to one side of the through-hole, allowing access from both ends and mid-span locations, and a 120-degree or more opening angle, enhancing ease of use and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the pivot joint is centered on the through-hole, then the structural symmetry is maintained, but the accessibility to mid-span cable locations is limited
Solution Approach 1:
The patent applies asymmetry by positioning the pivot joint offset from the center of the through-hole. This asymmetric configuration allows the housing sections to open in a direction that provides access to mid-span cable locations, rather than requiring the cable to be fed from one end only. The offset pivot joint creates an opening arc that encompasses both end-access and mid-span access scenarios.
Solution Approach 2:
The patent utilizes dimensional change by allowing the housing sections to rotate open to at least 120 degrees, creating a three-dimensional opening space. This angular movement transforms the closed through-hole configuration into an open configuration that exposes the cutting blades and allows cable insertion from multiple directions, including mid-span locations.
2Ease of operation
If the housing sections are limited to a small opening angle, then the compactness is maintained, but the ease of inserting cable at mid-span locations is reduced
Solution Approach 1:
The patent applies dynamics by designing the housing sections to be movable relative to each other through the pivot joint, allowing dynamic adjustment of the opening angle. The sections can open to at least 120 degrees to facilitate cable insertion and then close to perform the cutting operation, providing both accessibility and operational precision.
3Ease of operation
If the pivot joint is offset from the through-hole center, then mid-span cable access is enabled, but the alignment precision for cutting may be affected
Solution Approach 1:
The patent applies local quality by providing different functional characteristics in different regions of the device. The offset pivot joint region provides mechanical advantage for opening and mid-span access, while the through-hole region maintains precise alignment features for accurate cutting. The cutting blades are positioned to align with the through-hole center, ensuring precision at the cutting location while the offset pivot enables accessibility.
Data Source
AI summary
A cutting tool for a cable jacket is provided. The cutting tool includes a housing and a blade tip. The housing includes a first section and a second section coupled together via a pivot joint. The first section and the second section are rotatable with respect to a pivot axis defined by the pivot joint between a closed position and an opened position. When in the closed position, the first section and second section define a through-hole centered on and extending along a longitudinal axis. The pivot joint is offset to a side of the through-hole, and the longitudinal axis is oriented at a non-zero angle with respect to the pivot axis. The blade tip is positioned within the through-hole and is configured to cut a cable jacket located within the through-hole.