Splitboard Binding Base Plate Locking Eccentric Mechanism
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Solution Overview
Problem
Existing binding systems for splitboards face issues with complex and unreliable fixation mechanisms that are prone to malfunctioning when frozen or clogged with snow, making them difficult to use in varying modes such as uphill climbing and snowboarding.
Innovation Solution
A base portion of a binding with holders for ski fixation, featuring a flat board with a circular slit and a locking eccentric mechanism that allows for easy conversion between splitboard and snowboard modes, using a contact ring with dents and flanges, and a solid flat latch with a positioning pin for secure attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a complex fixation system with many movable parts is used, then the binding can accommodate various modes of use, but the functionality deteriorates when parts are frozen or clogged with snow
Solution Approach 1:
The binding system is divided into separate functional modules: a base portion with holder and a climbing portion with locking lever, connected through a simple pivot point. This segmentation allows each module to be optimized independently - the base portion remains simple and snow-resistant while the climbing portion provides versatility through the locking mechanism.
Solution Approach 2:
The complex locking mechanism is extracted as a separate climbing portion that can be independently attached or detached from the base portion. This extraction allows the base portion to maintain a simple, reliable structure that is resistant to freezing, while the climbing portion provides the necessary adaptability for different modes of use.
2Device complexity
If a simple fixation system is used, then the structure is simple, but the system is more demanding for manipulation and functionality deteriorates when frozen or clogged with snow
Solution Approach 1:
The locking lever is designed to automatically engage with the holder through a simple pivoting motion, eliminating the need for complex manual manipulation. The user simply needs to move the lever to the appropriate position, and the system self-locks through the interaction between the lever and holder, making operation intuitive and easy even in cold conditions.
3Strength
If a complex locking mechanism is used, then secure fixation is achieved, but the system becomes demanding for manipulation
Solution Approach 1:
The locking mechanism uses a dynamic pivoting lever that can easily transition between locked and unlocked positions. The lever's movement creates a mechanical advantage that secures the binding firmly when locked, while requiring minimal force to operate. The holder and lever are positioned to allow smooth, easy manipulation while maintaining strong fixation when engaged.
Data Source
AI summary
A flat board as a base plate of a binding for splitboards with holders for the bindings' fixation on skis that are joined together to form a snowboard that has a circular slit (or opening) formed in a central part of the board. The circular slit is equipped with a perimeter recess for removable fixation of a contact ring which is, on its inner perimeter, equipped with two pairs of opposed dents (or indentations) that are designed for connection with a holder. The contact ring is also modified between the dents (or indentations) for insertion of end pins of a locking eccentric. The locking eccentric is formed by an axial shaft with end pins protruding from end hubs formed at both ends of the axial shaft.