Fall Away Arrow Rest Rotatable Launcher Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional arrow rest launchers are prone to failure in adverse weather conditions and complicate the firing procedure due to susceptibility to temperature extremes, and they often engage the 'drop away' feature only when the bow string is released at a certain rate, which can lead to inconsistent arrow trajectory and security issues.
Innovation Solution
A fall away arrow rest system with a rotatable shaft, launcher, and activator mechanism that moves from an upright arrow support position to a lowered position upon releasing the bow string, using a locking component and cord system to ensure reliable operation and prevent fletching contact, while maintaining arrow stability and trajectory integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional drop away arrow rests are used to reduce fletching contact, then the launcher moves out of the way after arrow firing, but the design becomes complicated and prone to failure in adverse weather conditions
Solution Approach 1:
The launcher is divided into a stationary base portion and a movable arm portion. The arm can rotate independently about the shaft axis to move away from the fletching path after arrow release, while the base remains fixed. This segmentation allows the drop-away function to be achieved with simpler, more reliable components that are less prone to failure in adverse weather conditions.
2Object-affected harmful factors
If traditional drop away arrow rests engage only when bow string is released at certain rate, then the drop away feature activates, but arrow trajectory becomes inconsistent and security issues arise
Solution Approach 1:
The movable arm is positioned in advance to provide support during the critical firing moment. A retaining structure holds the arm in the upright support position during aiming and firing, ensuring consistent arrow support regardless of release rate. After arrow release, the retaining structure releases and allows the arm to rotate away preliminarily positioned to avoid fletching contact, achieving both reliability and fletching avoidance.
3Object-affected harmful factors
If lifting arrow into position as bow is drawn is implemented, then fletching contact is eliminated, but arrow hops off rest when archer reaches full draw too quickly
Solution Approach 1:
The launcher arm is designed to be dynamically positioned - upright and supported during aiming and firing, then rotatable away after release. The arm provides continuous support during the critical firing moment while having the capability to move away afterward, achieving both arrow stability and fletching avoidance through dynamic positioning rather than static lifting.
4Adaptability or versatility
If components susceptible to temperature extremes are used for drop away feature, then the mechanism can operate in varied conditions, but reliability decreases in temperature extremes
Solution Approach 1:
The movable arm uses its own weight and the release of the retaining structure to rotate away from the support position after arrow firing. This self-powered operation eliminates the need for additional temperature-sensitive components such as springs or actuators, allowing the mechanism to operate reliably in temperature extremes while maintaining adaptability to varied environmental conditions.
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 system provides a reliable and easy-to-use arrow rest that maintains arrow stability and prevents fletching contact, ensuring consistent arrow trajectory and performance across various environmental conditions, even in extreme temperatures.
Implementation Method 1
a torsion spring affixed to both the support component and the shaft for urging rotation of the shaft and rotation of the launcher from the upright arrow support position to a lowered position
Data Source
AI summary
The present invention is directed to a fall away arrow rest system for use with a compound bow having a string. The arrow rest system is adapted to support a shaft of an arrow while a tail section of the arrow engages with the string for shooting of the arrow. The arrow rest includes a housing, a rotatable shaft having a first portion mounted with and supported by the housing and a second portion extending from the housing, a launcher and a pair of arms defining a channel therebetween for accepting the arrow shaft, an activator operative to selectively urge rotation of the rotatable shaft and movement of the launcher from an upright arrow support position to a lowered position, and including a locking component moveable from an engaging position to releasably lock the position of the rotatable shaft when the launcher is at the upright arrow support position, and a disengaging position.