Weapon Sling Adjustment Mechanism Preventing Binding
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Solution Overview
Problem
Conventional weapon slings with combinations of sliders and cams face issues such as binding, increased complexity, and higher costs, which affect reliability and usability, especially in achieving all three desired positions of tightness without snagging and with reduced lifetime.
Innovation Solution
A single hardware piece combining a slider and cam with an antilock wedge, extruded pins, and varying anchor rod thicknesses to prevent binding and reduce components, along with injection molding for cost-effective and reliable performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sliders and cams are used separately, then adjustment positions can be achieved, but binding occurs and reliability decreases
Solution Approach 1:
The patent combines the slider and cam mechanisms into a single integrated hardware piece. The slider portion and cam portion are formed as one unit, eliminating the binding issues that occur when separate components interact. This unified structure allows the sling to be adjusted smoothly through all three positions without the mechanical interference that plagues conventional separate-component designs.
2Adaptability or versatility
If multiple separate components are used, then adjustment functionality is achieved, but device complexity increases
Solution Approach 1:
The invention integrates multiple functional elements into a single hardware piece that includes both slider and cam portions. This consolidation reduces the total number of components while maintaining full adjustment functionality across all three sling positions, thereby decreasing device complexity without sacrificing adaptability.
Solution Approach 2:
The single hardware piece performs multiple functions: it acts as both a slider for loose positioning and a cam for tight positioning. This multi-functional design eliminates the need for separate dedicated components for each adjustment mode, reducing overall system complexity while preserving full versatility.
3Adaptability or versatility
If conventional designs are used, then basic adjustment is possible, but manufacturing costs increase
Solution Approach 1:
By forming the slider and cam as a single integrated component, the invention reduces manufacturing steps and assembly operations. This consolidation lowers production costs while maintaining the full range of adjustment capabilities, making the product more cost-effective to manufacture compared to assemblies requiring multiple separate parts.
4Ease of operation
If repeated adjustments are made, then positioning flexibility is achieved, but service life decreases
Solution Approach 1:
The integrated slider-cam structure eliminates binding between separate components, reducing mechanical wear and stress during repeated adjustments. This unified design maintains structural integrity over time, allowing frequent repositioning while preserving the service life of the sling system.
Data Source
AI summary
The disclosure provides a sling adjustment for increased reliability and performance compared to conventional cam and slide adjustments. The disclosed sling adjustment is a single hardware piece that includes a slider and a cam. The sling adjustment includes an antilock wedge to prevent or at least reduce binding when using the sliding feature in the tightening direction. Extruded pins are also disclosed that can reduce the cost and the number of components that are needed for reliable performance. In one example, the sling adjustment includes: (1) a slider having a pair of side walls, and (2) a cam, positioned within the pair of side walls, having an antilock wedge and a center slider bar, wherein the antilock wedge is located on a forward side of the center slider bar.