Splitboard Joining Device with Adjustable Preload Tension
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Solution Overview
Problem
Existing splitboard joining devices do not provide sufficient tensile or compressive preload, leading to seam wear and slop, which affects responsiveness and edge control, and lack adjustability to optimize force distribution.
Innovation Solution
A splitboard joining device with hook and latch elements that create tension and compression between splitboard portions, featuring an adjustable tension element to customize preload, preventing seam movement and enhancing flex profile and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a passive joining device is used to combine the two skis, then the device is simple in structure and easy to manufacture, but it does not provide sufficient tensile or compressive preload, leading to seam wear and slop that affects responsiveness and edge control
Solution Approach 1:
The joining device incorporates adjustable tensioning mechanisms that allow dynamic adjustment of preload forces. The device transitions from a static passive connection to a dynamic system where users can modify tensile and compressive forces based on riding conditions, thereby preventing seam wear and maintaining responsiveness without excessive complexity
Solution Approach 2:
The device enables parameter changes by allowing adjustment of preload magnitude through movable connection elements. Users can modify the tensile and compressive forces applied to the seam, optimizing performance characteristics while the device structure remains manageable through standardized adjustment mechanisms
2Adaptability or versatility
If existing joining devices are used, then the device complexity is low, but they lack adjustability to increase or decrease tensile and compressive forces, resulting in seam slop and poor edge control
Solution Approach 1:
The joining device incorporates adjustable tensioning mechanisms that allow dynamic adjustment of preload forces. The device transitions from a static passive connection to a dynamic system where users can modify tensile and compressive forces based on riding conditions, thereby preventing seam wear and maintaining responsiveness without excessive complexity
Solution Approach 2:
The device serves multiple functions: it provides basic structural connection, enables adjustable preload forces, prevents seam wear, and maintains edge control. By integrating these functions into a single system with standardized adjustment mechanisms, the device achieves high adaptability without proportionally increasing complexity
3Reliability
If a passive attachment is used, then the manufacturing precision requirements are lower, but wear over time creates slop in the seam, leading to lag in board responsiveness and poor edge control
Solution Approach 1:
The joining device applies preliminary action by pre-loading the seam with tensile and compressive forces before use. This preliminary preload compensates for manufacturing tolerances and prevents immediate seam slop, while the adjustable nature allows compensation for wear over time without requiring high manufacturing precision
Solution Approach 2:
The device enables dynamic adjustment of preload forces to compensate for wear over time. As the seam wears, users can increase the tensile and compressive forces to maintain seam stability, thereby achieving high reliability without demanding excessive manufacturing precision
Data Source
AI summary
A splitboard joining device for releasably coupling at least two separate portions of a splitboard, thereby creating a snowboard when coupled and at least a first ski and a second ski when uncoupled. The device may include a first interface and a second interface for attaching to a first portion and a second portion, respectively, of the splitboard. In some embodiments, the device comprises an adjustable tension element disposed on either the first interface or second interface to adjustably control the tension between the first interface and second interface, and to adjustably control the compression between the first and second portions of the splitboard when coupled.