Archery Bow Stabilizer With Adjustable Internal Weight

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Solution Overview

Problem

Conventional archery bow stabilizers lack the ability to adjust balance 'on-the-fly' without additional equipment or components, failing to effectively address manufacturing tolerances and accessory-induced weight and balance changes, which affects shooting accuracy and vibration reduction.

Innovation Solution

A stabilizer design featuring a tubular housing with a threaded rod and adjustment cap, allowing for rotational adjustment of an internal weight along a threaded rod, enabling balance adjustment without tools, using O-rings and plastic rings for friction and dampening, and a locking mechanism for secure positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional stabilizers use fixed weight positioning, then manufacturing is simpler, but the ability to adjust balance on-the-fly is lost

Engineering Contradiction:
Improvebalance adjustment capabilityVSAvoidstabilizer structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The stabilizer employs a dynamic weight positioning system where the weight can be moved along the stabilizer shaft to different locations. This allows the archer to adjust the balance point dynamically during use, transforming a static component into an adaptive one that responds to different shooting conditions and accessory configurations.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The stabilizer is divided into modular components including the shaft, weight, and adjustment mechanism. This segmentation allows the weight to be independently positioned along the shaft, enabling flexible balance adjustment while maintaining overall structural integrity and simplicity.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If additional components are added for balance adjustment, then adaptability improves, but device complexity increases

Engineering Contradiction:
Improvebalance adjustment capabilityVSAvoidadditional components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adjustment mechanism is merged with the stabilizer shaft itself, using the shaft as both the structural element and the guide for weight movement. This integration eliminates the need for separate adjustment mechanisms or additional components, achieving adaptability while maintaining structural simplicity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The stabilizer shaft serves multiple functions: it provides structural support, guides weight movement, and acts as the adjustment mechanism itself. This multi-functionality reduces the need for additional components while maintaining full balance adjustment capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Object-generated harmful factors

If friction-based dampening is used, then vibration reduction improves, but adjustment precision may be affected

Engineering Contradiction:
ImprovevibrationVSAvoidbalance adjustment precision
Core Design Contradiction:
Object-generated harmful factorsVSMeasurement precision

Solution Approach 1:

A friction element is introduced as an intermediary between the weight and the shaft. This intermediary provides controlled dampening of vibrations while allowing the weight to be positioned accurately. The friction element can be engaged or disengaged as needed, providing vibration reduction without permanently affecting adjustment precision.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 archers to achieve desired balance and reduce vibrations with minimal effort, improving shooting accuracy by allowing real-time adjustments without additional components, enhancing the bow's stability and performance.

Implementation Method 1

A stabilizer design featuring a tubular housing with a threaded rod and adjustment cap, allowing for rotational adjustment of an internal weight along a threaded rod

Methodology Applied
Scientific EffectThreaded rod mechanism: Screw

Implementation Method 2

using O-rings and plastic rings for friction and dampening

Methodology Applied
Scientific EffectFriction dampening: Friction

Implementation Method 3

and a locking mechanism for secure positioning

Methodology Applied
Scientific EffectMechanical locking: Mechanical Fastener

Data Source

PatentUS10648762B2Archery bow stabilizer
Publication Date: 2020.05.12 JONAS LEROY W IV
  • US10648762B2 patent drawing
  • US10648762B2 patent drawing
  • US10648762B2 patent drawing

AI summary

A stabilizer for an archery bow with adjustable weight that, when attached to a bow, permits the center of gravity and balance of the bow to be changed. The stabilizer includes a tubular housing, a weight positioned within the tubular housing and a knob that may be rotated to move the weight within the tubular housing.