Archery Bow Limb Cup Vibration Damper
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Solution Overview
Problem
Archery bows experience residual energy after firing, leading to shock, noise, and vibrations due to untransferred energy.
Innovation Solution
The implementation of a limb cup with a vibration damper comprising a resilient member and a weight, which is supported by a damper housing, helps to dissipate residual energy by being integrated with or attached to the bow's riser and limb, effectively reducing shock and noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a traditional limb cup structure is used, then the bow structure is simple, but residual energy causes shock, noise and vibrations
Solution Approach 1:
A vibration damper is introduced as an intermediary component between the bow limb and the limb cup body. This damper absorbs residual energy through its resilient member and weight configuration, reducing shock, noise and vibrations transmitted to the archer while maintaining the basic limb cup structure.
Solution Approach 2:
The vibration damper converts the harmful residual energy that causes shock and noise into beneficial damping forces. The resilient member deforms to absorb energy, and the weight creates inertial forces that counteract vibrations, transforming the problematic residual energy into a useful damping mechanism.
2Object-affected harmful factors
If a vibration damper is added to the limb cup, then shock and noise are reduced, but the manufacturing complexity increases
Solution Approach 1:
The vibration damper is designed as a separate, modular component that can be independently manufactured and then assembled into the limb cup. This segmentation allows for specialized manufacturing of the damper components (resilient member and weight) while keeping the main limb cup body simple, overall simplifying the manufacturing process despite adding functionality.
Solution Approach 2:
The vibration damper components are nested within the limb cup structure, with the resilient member and weight contained within the damper housing that is integrated into the limb cup body. This nesting approach minimizes the overall space required and allows the damping functionality to be incorporated without significantly increasing the external dimensions or manufacturing complexity of the limb cup assembly.
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 vibration damper significantly reduces residual energy in archery bows, minimizing shock and noise, thereby enhancing the shooting experience by ensuring more efficient energy transfer to the arrow.
Implementation Method 1
The vibration damper comprises a resilient member and a weight. The resilient member is oriented in the aperture and supported by the damper housing. The weight is supported by the resilient member.
Implementation Method 2
a vibration damper comprising a resilient member and a weight, which is supported by a damper housing, helps to dissipate residual energy
Data Source
AI summary
In some embodiments, a limb cup comprises a body and a vibration damper. The body comprises a first limb cavity and a damper housing. The damper housing comprises an aperture. The vibration damper comprises a resilient member and a weight. The first limb cavity is arranged to receive an archery bow limb. The resilient member is oriented in the aperture and supported by the damper housing. The weight is supported by the resilient member.