Snow Scooter Edging Control With Torsion Bar Torque
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Solution Overview
Problem
Some snow scooter designs lack the ability to allow riders to effectively control and manipulate the edging angle of the gliding board, which is essential for maneuverability and performance in varying conditions, limiting precise control, stability, and enjoyment.
Innovation Solution
The snow scooter incorporates an edging control assembly with a control bar and torque-transmission assembly, including a torsion bar and anchoring structure, allowing riders to apply a tilting torque to adjust the edging angle through a 'pedaling' technique, enhancing control and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed handle mounting is used on the snow scooter board, then the structure is simple and stable, but the rider cannot adjust the edging angle to adapt to different terrain conditions
Solution Approach 1:
The patent applies the dynamics principle by replacing the fixed handle mounting with a dynamic torsion bar mechanism that allows the handle to rotate and adjust the board's edging angle. The torsion bar enables continuous adjustment of the handle position, transforming the static structure into a dynamic system that adapts to varying terrain conditions while maintaining structural integrity through elastic deformation.
Solution Approach 2:
The patent implements parameter changes by modifying the edging angle parameter through the torsion bar mechanism. The handle can be positioned at different angular orientations relative to the board, changing the effective edging angle to optimize performance for different snow conditions. This parameter adjustment capability allows riders to adapt to varying terrain without redesigning the entire structure.
2Ease of operation
If no edging control mechanism is provided, then the device is simple and easy to operate, but the rider lacks precise control over the board's orientation and stability
Solution Approach 1:
The patent introduces the torsion bar as an intermediary element between the handle and the board. This intermediary component provides mechanical advantage and torque transmission, allowing the rider to apply controlled forces to adjust the edging angle. The torsion bar acts as a mediator that translates small handle movements into precise board orientation changes, enhancing both control precision and stability.
3Adaptability or versatility
If the handle is rigidly fixed to the board, then the structure is strong and stable, but the rider cannot manipulate the edging angle for maneuverability
Solution Approach 1:
The patent applies the flexible elements principle by using a torsion bar with controlled elasticity. The torsion bar provides flexible rotation capability while maintaining sufficient structural strength through its elastic properties. This flexible yet strong connection allows the handle to rotate for edging angle adjustment while the torsion bar's material properties and geometry ensure the structure remains strong enough to withstand riding forces.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The edging control assembly improves control, stability, and performance by enabling precise manipulation of the edging angle, allowing for better maneuverability and adaptability to different terrain and snow conditions.
Implementation Method 1
a torsion bar extending along a torsion bar axis generally parallel to the board axis between a free end and an anchored end of the torsion bar
Implementation Method 2
applying a tilting torque to the central region about the board axis in response to a lateral force applied to the handle portion
Data Source
AI summary
A snow scooter includes (a) a gliding board extending along a board axis and having at least one anchoring zone; and (b) an edging control assembly mounted to the board for controlling an edging angle of the board. The edging control assembly includes (i) a control bar projecting upwardly from the board and (ii) a torque-transmission assembly including an anchoring structure fastened to the at least one anchoring zone, and a torsion bar extending generally parallel to the board axis between a free end rotationally fixed to a lower end of the control bar and an anchored end rotationally fixed to a coupling section of the anchoring structure for applying a tilting torque to the at least one anchoring zone about the board axis in response to a lateral force applied to the control bar by a rider.