Modular Archery Bow Grip Insert for Torque Reduction
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Solution Overview
Problem
Conventional archery bow hand grips either limit customization or compromise the bow's mechanical characteristics, leading to inconsistent accuracy and comfort issues due to their fixed design, which can cause torque and poor tuning.
Innovation Solution
A modular hand grip system with adjustable inserts that can be removably attached to the bow's riser, allowing for customization of grip size, angle, and feel, while minimizing the impact on the bow's structure, using an elongated slot and protrusion configuration with adjustable fasteners for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If an integrated hand grip is used, then stability and rigidity of the bow are improved, but customization capability for grip size, angle, and draw length is limited
Solution Approach 1:
The hand grip is divided into two separate components: a fixed grip attachment portion integrated with the riser and a removable grip insert. This segmentation allows the grip insert to be customized and exchanged for different grip sizes and angles while the integrated attachment portion maintains structural stability and rigidity.
2Adaptability or versatility
If attachable grips are used, then customization capability is improved, but the bow's flex characteristics and material stresses are worsened due to material removal for attachment
Solution Approach 1:
The grip insert is nested within the grip attachment portion, with the insert fitting into a cavity or slot in the attachment portion. This nesting arrangement eliminates the need to remove material from the riser for attachment, preserving the bow's flex characteristics and material strength while still allowing customization through interchangeable inserts.
3Adaptability or versatility
If attachable grips are used, then customization capability is improved, but grip pressure and torque applied to the bow are increased due to larger grip width
Solution Approach 1:
The grip insert is designed with specific local geometries and contours that optimize the distribution of grip pressure across the archer's hand. The insert's shape, texture, and surface features are tailored to reduce localized pressure points and minimize torque application to the bow, allowing customization without increasing harmful forces.
4Ease of manufacture
If conventional fixed grips are used, then manufacturing simplicity is maintained, but adjustment capability for draw length and grip angle is lost
Solution Approach 1:
The grip system transitions from a static fixed grip to a dynamic adjustable system where the grip insert can be removed and replaced with different inserts optimized for various draw lengths and grip angles. The attachment mechanism allows for easy installation and removal, providing adjustment capability while maintaining manufacturing simplicity through modular design.
Data Source
AI summary
An archery bow is shown that has a modular hand grip. The bow may include a riser having an upper end, a lower end, and a grip attachment portion disposed between the upper and lower ends. The grip attachment portion may be positioned to be held by a hand of an archer and may have an opening receiving a grip insert. The grip insert may have a contoured surface configured to contact the hand of the archer and may have a protrusion configured to be received by the opening. The bow may also have upper and lower limbs each having proximal ends connected to respective ends of the riser and each having distal ends. A bowstring may extend between the distal ends of the upper and lower limbs. The modular hand grips may improve shot consistency and feel, reduce torque, and still allow the bow to be customized.