Tangential Arrow Rest with Elastomeric Supports
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Solution Overview
Problem
Existing arrow rests can alter the trajectory of arrows due to incorrect fletching orientation, deflection against rigid rests, inadvertent bow movement, and noise generation, which affects accuracy in archery and hunting.
Innovation Solution
A resilient arrow rest design featuring a support frame with adjustable windage and tangentially engaging support members that accommodate arrow deflection and fletching orientation, reducing friction and noise through a snap-fit assembly and flexible materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid arrow rest is used to provide stable support, then structural strength is improved, but arrow trajectory is altered due to deflection against the rest
Solution Approach 1:
The patent uses flexible support members (elastomeric material) instead of rigid structures. The support members are configured to tangentially engage the arrow shaft and flexibly accommodate arrow deflection during release, preventing trajectory alteration while maintaining structural integrity through the resilient material properties
Solution Approach 2:
The patent changes the physical state of the support members from rigid to resilient/elastomeric. This parameter change allows the support members to dynamically adapt to arrow deflection forces, maintaining both structural strength and trajectory accuracy by absorbing and distributing mechanical stress through elastic deformation
2Ease of operation
If the fletching of the arrow contacts the rest, then support is provided, but trajectory is altered when fletching is incorrectly oriented
Solution Approach 1:
The patent applies local quality by configuring support members to engage specifically at tangential points on the arrow shaft, rather than allowing contact across the entire arrow including fletching. This localized engagement at precise geometric points provides support while eliminating interference with fletching orientation and trajectory
Solution Approach 2:
The patent extracts the fletching from the contact interface by designing support members that engage only the shaft at tangential points. This separation removes the problematic fletching-rest contact entirely, eliminating trajectory alteration caused by incorrect fletching orientation while maintaining necessary arrow support
3Ease of operation
If the arrow shaft slides across the arrow rest, then support is maintained, but noise is generated creating friction and frightening game
Solution Approach 1:
The elastomeric support members provide a compliant interface between the arrow shaft and rest structure. This flexibility eliminates rigid sliding contact that generates noise and friction, replacing it with smooth elastic deformation that quietly accommodates arrow passage without frightening game
Solution Approach 2:
The patent replaces the traditional rigid mechanical sliding contact system with an elastomeric deformation system. The resilient material substitutes for friction-based mechanical interaction, eliminating noise generation through sliding while maintaining support function through elastic compliance
4Duration of action of moving object
If the bow is subjected to inadvertent movement during release, then dynamic response is provided, but trajectory is altered through movement transfer to the arrow
Solution Approach 1:
The resilient support members act as a cushioning element between the arrow and the bow structure. This beforehand cushioning absorbs and isolates inadvertent bow movements during release, preventing transfer of destabilizing forces to the arrow while maintaining proper trajectory through vibration damping and shock absorption
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
Enhances accuracy by minimizing arrow trajectory alterations and noise, allowing for smoother arrow release and improved hunting conditions.
Implementation Method 1
Each support member has a base portion connected to the first support frame and a support portion that extends from the base portion. The support portion forms a tangential point of the opening for tangentially engaging the shaft of an arrow.
Data Source
AI summary
An arrow rest for supporting the shaft of an arrow includes a first support frame and a plurality of support members connected to the support frame for defining at least a portion of an opening with a central axis for receiving the shaft of an arrow. Each support member has a base portion connected to the first support frame that extends towards the shaft of an arrow, and a support portion that extends from the base portion for tangentially engaging the shaft of an arrow in a direction at least generally parallel to the central axis.