Ski Boot Cable Lug Locking for Easy Replacement
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Solution Overview
Problem
Existing locking mechanisms for tightening cables in sports footwear, such as ski boots, are difficult to disassemble and replace, often requiring destruction of the rivet or rivet-like elements, leading to potential damage and high replacement costs.
Innovation Solution
A reversible locking device for the cable end, comprising a housing with a seat and a pressing mechanism, such as a screw or toothed washer, to securely hold the cable end without permanent deformation, allowing easy assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rivet or non-removable fixing element is used to fix the cable terminal to the hull, then the cable terminal is securely fixed, but the cable cannot be replaced without destroying the fixing element and risking damage to the hull
Solution Approach 1:
The fixing system is divided into separate components: a removable fixing element (screw or snap-fit mechanism) that can be independently detached from the hull, and the cable terminal. This segmentation allows the cable to be replaced without damaging the hull or the fixing mechanism itself.
Solution Approach 2:
The fixing element transitions from a static, permanent state (rivet) to a dynamic, reversible state (screw or snap-fit). This allows the system to switch between a secure fixed state during operation and an easily disassembled state for maintenance and cable replacement.
2Strength
If a rivet or permanent fixing element is used, then the cable terminal is firmly secured, but the entire article must be replaced if the cable breaks, increasing costs
Solution Approach 1:
The system separates the cable assembly from the hull structure through a removable fixing element. This allows only the cable and fixing element to be replaced rather than the entire article, significantly reducing repair costs while maintaining structural integrity.
Solution Approach 2:
The cable and fixing element are designed as disposable or replaceable components that can be easily discarded and replaced without affecting the permanent hull structure. This recoverable approach to component replacement improves cost-effectiveness.
3Reliability
If a cable lug deformed by a mould is used to prevent cable slippage, then the cable is securely retained, but the terminal cannot be removed without destruction
Solution Approach 1:
The fixing element uses a reversible mechanical connection (screw threading or snap-fit engagement) that provides secure retention during operation but allows easy removal when needed, unlike permanent deformation methods.
Solution Approach 2:
The permanent mechanical deformation (moulding/chamfering) is replaced with a reversible mechanical fastening system (screw or snap-fit), maintaining the secure retention function while enabling easy removal and replacement.
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 easy replacement of the cable without damaging the footwear, reducing costs and ensuring robustness and ease of maintenance.
Implementation Method 1
a pressing element (6, 8) pressing said end portion (21) into said seat (50)
Data Source
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AI summary
The present invention relates to a device for locking a rope or cable, referred to as "wire support end" or even "cable lug" for closing sports articles, in particular sports footwear such as ski boots. The invention also relates to a sports article, preferably a footwear such as a ski boot, comprising said device. The device is particularly practical and functional especially in the event of replacement of damaged components.