Bowstring Weight with Continuous Tubular Structure
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Solution Overview
Problem
Existing bowstring weight designs are imprecise, prone to migration, and can become disengaged during use, lacking both functionality and safety.
Innovation Solution
A bowstring weight with a center of mass positioned less than 1/3 of the bowstring's length, made from a polymer material with an internal bore and adhesive attachment, providing a continuous structure that maintains shape and engagement with the bowstring, and featuring a wave-like profile for enhanced stability and aesthetic appeal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple metal weights are individually clamped or crimped onto the bowstring, then the bowstring can have weights attached, but the weights can migrate or become disengaged during use
Solution Approach 1:
The patent combines multiple weights into a single integrated weight assembly that is attached to the bowstring as one unit rather than individually clamping separate weights. This merging approach eliminates the migration and disengagement issues of individual weights while simplifying the attachment process to a single secure fastening operation.
Solution Approach 2:
The weight assembly is pre-configured with attachment mechanisms (such as loops, eyes, or integrated fastening structures) before being mounted on the bowstring. This preliminary preparation ensures that the weights are positioned and secured in a single action, preventing subsequent migration during bow operation.
2Manufacturing precision
If weights are attached to the bowstring using previous methods, then the bowstring can be weighted, but the placement can be imprecise
Solution Approach 1:
The patent employs weights with asymmetric or directionally-oriented attachment features that are designed to engage with the bowstring at specific locations. This local quality approach ensures precise placement by making the attachment mechanism itself guide the weight to the correct position, eliminating the need for time-consuming manual adjustment.
3Reliability
If individual metal weights are used on the bowstring, then the bow can have adjustable weight, but the weights can become disengaged during firing
Solution Approach 1:
The patent designs the weight assembly with nested or interlocking components where inner elements are contained within outer structures. This nesting ensures that weights remain securely engaged during firing, as the hierarchical structure prevents disengagement while allowing for controlled adjustment when needed.
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
The solution ensures the bowstring weight remains securely attached, providing consistent performance and safety by maintaining its shape and configuration before and after installation, while offering adjustable weight and visual appeal through various shapes and profiles.
Implementation Method 1
the bowstring weight is attached to the bowstring by an adhesive
Data Source
AI summary
A weight for an archery bowstring comprises a tubular shape defining an internal cavity. The weight can comprise a single piece of material. The weight desirably frictionally engages a bowstring and has the same shape before and after installation. The weight comprises a continuous structure surrounding the bowstring that will not become detached.