Cross-Axis Flexural Pivot with Stress-Limiting Cams ID: 2015-074
An advanced pivot mechanism designed to enhance flexibility and reduce stress in precision applications.
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Technology Overview
This invention from Brigham Young University introduces a novel cross-axis flexural pivot mechanism, incorporating stress-limiting cams and utilizing superelastic Nitinol. It is engineered to reduce stress concentration and limit angular deflection in flexible members, achieving a larger range of motion. This technology is particularly relevant in the development of minimally invasive surgical instruments and for improving shaft alignment in various engineering applications.
Key Advantages
- Reduces stress concentration in flexible mechanisms
- Limits angular deflection to prevent overextension
- Utilizes Nitinol for enhanced flexibility and range of motion
- Improves off-axis stiffness and force-deflection relationships
Problems Addressed
- High stress points in conventional flexural pivot designs
- Limited range of motion in flexible members
- Uneven flexure stress distribution leading to premature failure
- Challenges in minimally invasive surgical instrument design
Additional Information
Technology ID: 2015-074
Sell Sheet: Download the Sell Sheet here
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Date Published: 28 March, 2025
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