Semi-Rigid Water Ski Binding with Movable Heel for Control and Safety
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Solution Overview
Problem
Existing water ski binding systems either provide limited control due to loose coupling or pose a risk of injury due to the difficulty in releasing the foot from closed bindings during a fall.
Innovation Solution
A semi-rigid binding system for water skis that includes a toe pocket, a heel pocket, and rigid sidewalls forming an upper cuff, allowing for direct contact between the foot and the ski while maintaining a secure connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a closed binding is used to envelope the foot, then control over the ski is maximized, but the risk of injury increases because the foot cannot be easily released during a fall
Solution Approach 1:
The binding transitions from a static closed envelope to a dynamic system with a movable heel component. The heel can be toggled between locked and released positions, allowing the binding to adapt its state based on operational needs. This dynamic mechanism enables easy release during falls while maintaining secure attachment during normal skiing.
Solution Approach 2:
The binding is divided into distinct functional segments: a fixed toe receiver portion and a movable heel release assembly. This segmentation allows independent control of the heel position while the toe remains secured, enabling the foot to be partially released for safety without compromising overall binding integrity.
2Ease of operation
If a boot and binding system is used to provide substantial control, then control over the ski is improved, but the sole of the foot is removed from direct contact with the ski surface, reducing direct control
Solution Approach 1:
The binding design merges the advantages of both open and closed bindings by combining direct foot-ski contact (like open bindings) with the structural support of closed bindings. The hollow channel construction allows the foot sole to contact the ski surface while the rigid sidewalls and heel assembly provide substantial control, eliminating the need for a separate boot shell.
Solution Approach 2:
Different portions of the binding have different structural qualities optimized for their specific functions. The rigid sidewalls provide structural support and control, while the hollow channel area allows direct foot-ski contact for enhanced sensitivity and control. This local differentiation of structural properties optimizes overall performance.
Data Source
AI summary
A semi-rigid binding system includes a toe defining an interior toe pocket with top and bottom exterior surfaces, a heel opposite the toe with top and bottom exterior surfaces and rigid sidewalls opposite to one another which connect the toe to the heel. A top edge of the rigid sidewalls, the toe and the heel together define a top opening of the binding and a bottom edge of the rigid sidewalls, the toe and the heel together define a bottom opening of the binding. As such, the top opening and the bottom opening and an interior surface of the rigid sidewalls form a hollow channel through the semi-rigid binding absent a body sole between the bottom surfaces of the toe pocket and the heel pocket, and the bottom edge of the rigid sidewalls each angle inwardly towards one another.