Archery Bow Cable Damper for Harness Vibration Control

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Solution Overview

Problem

Existing archery bow technologies fail to effectively suppress vibrations and noise caused by harness cables after an arrow is launched, as they focus primarily on bowstring damping and neglect the oscillatory movement of harness cables.

Innovation Solution

A cable damper accessory with an energy absorber positioned to impede the forward and oscillatory movement of harness cables, positioned to engage the cables as the bow returns to its brace condition, utilizing a dampening material and adjustable design to absorb residual energy and reduce vibrations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If bowstring stops or suppressors are used to suppress bowstring oscillation, then noise and vibration from the bowstring are reduced, but vibrations from the harness cables remain unaddressed

Engineering Contradiction:

Improvenoise and vibration from bowstringVSAvoidcoverage of vibration suppression

Core Design Contradiction:

Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The invention divides the vibration suppression function into separate components: one for the bowstring and another for the harness cables. The cable damper is a distinct segmented component that specifically targets harness cable vibrations, allowing independent optimization of each suppression mechanism without interfering with the other.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The cable damper is designed to work in conjunction with existing bowstring suppression devices, creating a universal system that addresses both bowstring and harness cable vibrations. The damper can be added to any compound bow configuration regardless of the specific bowstring suppression method already in use.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Object-affected harmful factors

If the energy absorber is positioned close to the harness cable in the drawn condition, then vibration damping is maximized, but the cable damper may interfere with the arrow release mechanism

Engineering Contradiction:

Improveharness cable vibrationsVSAvoidarrow release functionality

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The cable damper employs a dynamic positioning system where the energy absorber's distance from the harness cable varies with the bow's state. In the drawn condition, the energy absorber is positioned farther away to prevent interference with arrow release. As the bow returns to brace condition, the energy absorber moves closer to effectively dampen harness cable vibrations.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The cable damper is pre-positioned during the draw cycle to be clear of the arrow path, ensuring uninterrupted arrow release. The vibration damping action is activated in advance during the natural oscillation phase after release, when the energy absorber automatically engages with the harness cable.

Inventive Principle:

Principle #10Preliminary action

3Device complexity

If the energy absorber maintains a constant distance from the harness cable, then the structure is simplified, but effective vibration damping across the full range of motion is reduced

Engineering Contradiction:

Improvecable damper structureVSAvoidharness cable vibrations throughout draw cycle

Core Design Contradiction:

Device complexityVSObject-affected harmful factors

Solution Approach 1:

The cable damper utilizes the natural dynamics of the bow system to create relative motion between the energy absorber and the harness cable. The damper body moves with the cable during the draw cycle, while the energy absorber maintains a controlled distance, automatically engaging to dampen vibrations when the bow returns to brace condition.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The cable damper design merges the vibration damping function with the existing harness cable routing. The energy absorber is positioned to work in conjunction with the cable's natural oscillation path, combining the cable's motion with the damper's energy absorption capability to achieve effective vibration suppression.

Inventive Principle:

Principle #5Merging (Combining)

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 cable damper significantly reduces noise and vibration by absorbing energy from harness cables, providing up to 20% reduction in bow vibration for hunting arrows, demonstrating its effectiveness across various arrow weights.

Implementation Method 1

The energy absorber is positioned to damp vibrations of the harness cable resulting from the bow returning from drawn condition to brace condition

Methodology Applied

Scientific EffectVibration damping: Damping

Implementation Method 2

A cable damper having an energy absorber secured to the body opposite the riser

Methodology Applied

Scientific EffectEnergy absorption: Absorption (physical)

Data Source

PatentUS9046317B2Archery bow cable damper

Publication Date: 2015.06.02 MCP IP LLC

AI summary

Impeding the forward movement of harness cables returning to rest position at the brace condition, the present invention reduces noise and vibration produced from shooting arrows. Forward movement of harness cables resulting from a bow returning from drawn to brace condition is impeded by an appropriately positioned energy absorber. The energy absorber is secured to a body projecting from the riser towards the harness cables.