Axial-Force Indicator for Ski Binding Tester
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Solution Overview
Problem
Conventional snow-ski binding testers are prone to operator errors that introduce unintended axial forces, leading to skewed test results due to manual application of loads, which are not accounted for in the torque readings.
Innovation Solution
A hand tool with a torque beam and axial-force indicator that provides feedback to the operator to ensure a pure axial force is applied, using a force-transmitting structure and handgrip arrangement that prevents undesirable axial load components, allowing for accurate testing of ski binding release functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual force application is used in conventional ski binding testers, then the testing device can operate without complex automation mechanisms, but operator errors introduce unintended axial forces that skew test results
Solution Approach 1:
The patent implements an axial-force indicator that provides real-time feedback to the operator about the magnitude of axial forces being applied during testing. This feedback mechanism allows operators to adjust their force application to maintain pure bending moments, eliminating the need for complex automation while ensuring measurement precision through operator guidance.
Solution Approach 2:
The patent introduces a specialized handgrip and force-transmitting structure as an intermediary between the operator and the testing mechanism. This intermediary component is designed to guide the operator's force application, ensuring that only pure bending moments are transmitted to the ski binding while preventing unintended axial force components from affecting the test results.
2Reliability
If pure bending moment application is required for accurate testing, then test reliability improves, but operator ability to apply force precisely without axial components becomes difficult
Solution Approach 1:
The axial-force indicator serves as a feedback device that continuously monitors and communicates the magnitude of axial forces to the operator. This real-time information allows operators to make immediate adjustments to their force application technique, making it easier to maintain pure bending moments and improving both reliability and ease of operation simultaneously.
Solution Approach 2:
The patent replaces reliance on operator skill and judgment with a mechanical feedback system that objectively measures and displays axial force magnitudes. This substitution transforms the operational task from one requiring expert judgment to one guided by clear mechanical feedback, improving ease of operation while maintaining high reliability.
Data Source
AI summary
A ski-binding testing apparatus that includes an axial-force indicator that indicates when a force applied to the testing apparatus has an axial component that is outside of an acceptable range. In one example, the apparatus includes a simulated foot, a force-transmitting structure coupled to the simulated foot, a handgrip coupled to the force-transmitting structure, and an axial-force indicator that indicates when a forced applied by a user to the handgrip exceeds a predetermined threshold. In one embodiment, the force-transmitting structure can include a torque wrench that includes a torque beam, the handgrip, and axial-force indicator. The torque wrench can be provided with a conventional work-engagement end, such as a socket-type receiver to allow the axial-force-indicating functionality to be used outside the context of a ski-binding testing apparatus.