Pivoting Telemark Binding Locking Mechanism
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Solution Overview
Problem
Traditional telemark ski bindings restrict boot flex and require more energy for walking and climbing due to their rigid design, limiting the user's freedom of movement.
Innovation Solution
A telemark binding with a pivotally connected toe piece and a locking mechanism that allows for two modes of operation: a pivoting mode for touring and a locked mode for downhill skiing, utilizing a link and actuator system to engage and disengage the lock, and a heel lifter with over-center capability for enhanced mobility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the toe piece is fixed to the ski (traditional arrangement), then control during downhill maneuvers is improved, but freedom of movement during walking and climbing deteriorates
Solution Approach 1:
The toe piece is made dynamically adjustable through a pivot mechanism that allows it to rotate relative to the ski. In touring mode, the toe piece pivots freely to accommodate boot flex during walking and climbing. In ski mode, the locking mechanism secures the toe piece in a fixed position for downhill control. This dynamic reconfigurability resolves the contradiction between fixed stability and movable flexibility.
Solution Approach 2:
The binding system changes the positional parameter of the toe piece relative to the ski. By adjusting the angle and position of the toe piece through pivoting and locking mechanisms, the system transitions between two distinct operational states: a more flexible configuration for touring and a more rigid configuration for skiing, thereby resolving the control versus mobility contradiction.
2Reliability
If rigid materials are used in boot manufacture, then control during downhill maneuvers is improved, but energy expenditure during walking and climbing increases
Solution Approach 1:
The binding system dynamically adapts its rigidity to match the operational requirements. During touring, the pivoting toe piece allows boot flex and natural movement, reducing energy expenditure. During downhill skiing, the locked position provides rigid support for precise control. This dynamic adaptation eliminates the need for inherently rigid boots, resolving the energy expenditure versus control contradiction.
3Ease of operation
If the binding allows free pivoting, then ease of movement during walking and climbing is improved, but control during downhill maneuvers deteriorates
Solution Approach 1:
The binding system changes the positional parameter of the toe piece through pivoting and locking mechanisms. In touring mode, the toe piece is positioned to allow free pivoting for ease of movement. In ski mode, the locking mechanism secures the toe piece in a fixed position for downhill control. This parameter change resolves the contradiction between pivoting freedom and downhill control.
4Adaptability or versatility
If a locking mechanism is added to enable mode switching, then versatility is improved, but device complexity increases
Solution Approach 1:
The locking mechanism is designed to be self-actuating through spring-loaded components and cam-based engagement. The user simply applies downward pressure on the toe piece to engage the lock, and releases it by lifting the toe piece. The spring automatically maintains engagement pressure, eliminating the need for separate actuating mechanisms or complex control systems, thereby achieving versatility with minimal added complexity.
Data Source
AI summary
A pivoting telemark binding is provided which includes a toe piece pivotally connected to a base plate and a mechanism for locking the toe piece relative to the base plate to prevent pivoting. An actuator for the locking mechanism is placed at the front end of the binding to be positioned over the ski. Also provided is a ski crampon for use with this binding, as well as a heel lifter device for use with any telemark binding.