Decoupled Arrow Rest Assembly for Tuning-Stable Drop-Away Launch
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Solution Overview
Problem
Traditional arrow rests require precise installation and regular tuning, and their operation can be compromised by bow component changes over time, leading to unpredictable arrow flight.
Innovation Solution
A decoupled launch assembly with a flexible connection between the bow and rest, featuring a rotatable shaft, actuator, and biasing devices that maintain proper operation without precise tuning, even as bow components stretch or move.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional arrow rest is used with rigid connection to the bow, then the rest provides stable support, but precise installation and regular tuning are required to maintain proper operation
Solution Approach 1:
The patent applies a dynamic flexible connection between the arrow rest and bow, allowing the rest to move independently in response to bow component changes. This dynamic coupling eliminates the need for precise installation and regular tuning while maintaining reliable operation, as the flexible connection automatically adapts to stretching and movement of bow components over time
2Stability of the object's composition
If the arrow rest is rigidly connected to the bow, then structural stability is maintained, but the rest cannot accommodate bow component stretching and movement over time
Solution Approach 1:
The patent changes the connection parameter from rigid to flexible, allowing the arrow rest to adapt to bow component stretching and movement. The flexible connection maintains structural stability while enabling the rest to accommodate dimensional changes in bow components over time without requiring reinstallation or retuning
3Reliability
If a drop away rest is used to avoid arrow contact, then arrow flight predictability improves, but the rest requires precise tuning to maintain proper drop away function
Solution Approach 1:
The patent implements a dynamic flexible connection that automatically provides the drop away function without requiring precise tuning. The flexible connection allows the rest to naturally drop away from the arrow during firing, maintaining arrow flight consistency while eliminating the need for precise installation and tuning procedures
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
Simplifies installation and tuning, ensures consistent arrow flight by avoiding contact with fired arrows, and maintains performance over time without additional adjustments.
Implementation Method 1
A biasing device is attached to the shaft and flexibly coupling the rest to the shaft
Implementation Method 2
The biasing device is distorted by torsional forces when the shaft is rotated from the intermediary position to the second position
Data Source
AI summary
An arrow rest with a decoupled launch assembly comprises a rest rotatably mounted to a shaft and coupled to the shaft via a biasing device. An actuator connects the shaft to a portion of a bow allowing movement of the bow to actuate the decoupled launch assembly between a raised state and dropped state by rotation of the shaft. The biasing device flexibly couples movement of the rest and shaft permitting the shaft to further rotate after a dropped state has been achieved.