Archery Bow Forearm Brace for Torque Reduction
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Solution Overview
Problem
Archery bows experience undesirable torques and vibrations during shooting, affecting accuracy and repeatability, due to the substantial draw weight and rotational movements, which existing accessories fail to adequately address.
Innovation Solution
A forearm brace that extends arcuately around the forearm axis, supported by a post attached to the bow, allowing for adjustable positioning and rotation to accommodate natural bow rotations while providing a consistent anchor point for the archer's forearm and wrist, preventing improper grip-induced torques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a tight grip is applied to control the bow, then the bow can be held steady, but undesirable torques are applied to the bow causing rotation in elevation and azimuth
Solution Approach 1:
The forearm brace acts as an intermediary between the archer's forearm and the bow, providing a stable reference point that allows the bow to rotate naturally without requiring tight grip control. The brace supports the forearm and wrist, enabling the archer to maintain bow stability through mechanical support rather than muscular tension.
2Measurement precision
If the bow is designed to rotate naturally during string release, then accuracy is maintained, but repeatability is reduced due to inconsistent bow orientation
Solution Approach 1:
The forearm brace provides tactile feedback to the archer about grip pressure and bow orientation. When the archer applies incorrect grip pressure or inconsistent anchor points, the brace transfers these variations as noticeable sensations to the forearm, allowing the archer to self-correct and achieve consistent repeatability while accommodating natural bow rotation.
3Measurement precision
If accessories are added to the bow to reduce vibrations and improve balance, then shooting precision is enhanced, but the ease of quick manipulation is reduced
Solution Approach 1:
The forearm brace is designed as a segmented structure with a C-shaped or U-shaped configuration that wraps around the forearm. This segmentation allows the brace to flex and adapt to the natural contours of the forearm while maintaining structural integrity, enabling quick donning and doffing without compromising its vibration-reducing and balance-enhancing functions.
Data Source
AI summary
An accessory for an archery bow has a C-shaped forearm brace attached to the distal end of a support. The support can be supported on the bow. The brace extends arcuately around a forearm axis at least 90° in order to partially encompass a forearm. The support is mounted in an arcuate slot in the brace and extends outwardly, transverse to the forearm axis. The support can be adjusted to allow angular and linear translation of the forearm brace. The forearm brace is circumferentially repositionable along the support. The support may be a post with a bearing surface skewed relative to a plane perpendicular to the longitudinal axis. This post may have on opposite sides of the bearing surface, a pair of walls that straddle a peripheral portion of the forearm brace. The support can include a bracket that attaches to the front or back of a bow's riser. The bracket supports a rearwardly extending element that attaches to and supports the post.