Removable Skateboard Assembly with Torsion Spring
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Solution Overview
Problem
Traditional skateboards lack sufficient maneuverability and have complex, difficult-to-maintain constructions for converting into surfskates, with existing surfskate wheel units being either non-removable or prone to wheel impact during tight turns.
Innovation Solution
A removable assembly with a torsion spring is mounted between the board and the front wheel unit of a traditional skateboard, allowing for increased turning capacity and maneuverability without altering the original wheel axis distance, featuring a compact and protected torsion spring design, and a simple mounting system using a single nut for easy installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional skateboard wheel unit is used, then the construction is simple, but the maneuverability is insufficient
Solution Approach 1:
The wheel unit is divided into separate functional components: a base piece attached to the board, an upper piece attached to the wheel unit, and a rotational coupling mechanism connecting them. This segmentation allows each component to be optimized independently while improving overall maneuverability through the added rotational degree of freedom.
Solution Approach 2:
The invention introduces a dynamic rotational coupling between the base piece and upper piece, allowing the assembly to rotate relative to each other. This dynamic element enables the wheel unit to adapt its orientation during use, significantly enhancing maneuverability compared to static traditional wheel units.
2Ease of operation
If existing surfskate wheel units are used, then maneuverability is improved, but the construction is complicated and difficult to maintain
Solution Approach 1:
The removable assembly is designed as separable components (base piece, upper piece, torsion spring) that can be easily disconnected and reconnected. This segmentation allows users to remove the entire assembly from the skateboard for maintenance or replacement without disassembling the entire wheel unit, significantly improving ease of repair.
Solution Approach 2:
The removable assembly can be completely detached from the skateboard and replaced as a unit. This allows the assembly to be recovered, maintained, or replaced independently from the skateboard, reducing maintenance complexity and time required for repairs.
3Ease of operation
If existing surfskate wheel units are used, then maneuverability is improved, but the wheels may impact the board during tight turns
Solution Approach 1:
The invention introduces an additional rotational dimension between the base piece and upper piece, allowing the wheel unit to orient itself independently from the board. This extra degree of freedom enables the wheels to track through tight turns without contacting the board, eliminating the harmful impact effect.
4Ease of operation
If a removable assembly is added to convert a skateboard to a surfskate, then maneuverability is significantly improved, but the device complexity increases
Solution Approach 1:
The base piece and upper piece are designed to connect through a simplified rotational coupling mechanism with integrated torsion spring. This merging of components into a compact assembly reduces the overall complexity compared to having separate elements, while still providing the desired maneuverability improvement.
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 assembly significantly enhances the maneuverability of traditional skateboards by allowing greater rotational angles and smooth movement, while being easier to install and maintain than existing surfskate systems, with the option to modify behavior through different torsion springs.
Implementation Method 1
a torsion spring arranged between the base piece and the upper piece to exert a force aimed at causing them to regain a neutral position
Data Source
AI summary
A removable assembly for a skateboard comprises a base piece (1) configured for the fixing thereof to a board (40); an upper piece (7) configured for the fixing thereof in a removable manner to a wheel unit (36), the base piece (1) being coupled to the upper piece (7) such that they can rotate with respect to each other; and a torsion spring (6) arranged between the base piece (1) and the upper piece (7) to exert a force aimed at causing them to regain a neutral position.