Powered Swivel Board Layout for Stable 360° Maneuvering

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Solution Overview

Problem

Conventional personal mobility vehicles with powered front and rear swivel wheels are often unstable and difficult to control, particularly when configured for deck twisting or flexing, limiting their usability and riding experience.

Innovation Solution

A powered personal mobility vehicle design featuring a powered front swivel wheel and a non-powered rear swivel wheel, with both wheels capable of 360-degree rotation, mounted at an inclined angle, and a motor housed entirely within the front wheel to enhance stability and control, allowing for efficient steering and maneuverability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If both front and rear wheels are configured as powered swivel wheels with deck twisting capability, then the vehicle provides enhanced maneuverability and riding experience, but the vehicle becomes unstable and difficult to control

Engineering Contradiction:

ImprovemaneuverabilityVSAvoidvehicle stability

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent applies asymmetry by configuring the front wheel as a powered swivel wheel with motor while the rear wheel is a non-powered swivel wheel without motor. This asymmetric configuration provides the needed stability while maintaining maneuverability through the powered front wheel's ability to rotate and swivel independently.

Inventive Principle:

Principle #4Asymmetry

Solution Approach 2:

Instead of making both wheels powered and swivel-capable as in conventional designs, the patent inverts the approach by making only the front wheel powered while both wheels can swivel. This inversion resolves the stability issue while preserving the desired maneuverability through the front wheel's powered rotation capability.

Inventive Principle:

Principle #13The other way round (Inversion)

2Stability of the object's composition

If the motor is disposed entirely within the front wheel, then the vehicle's center of gravity is reduced and stability is enhanced, but the wheel assembly becomes more complex

Engineering Contradiction:

Improvecenter of gravityVSAvoidwheel assembly complexity

Core Design Contradiction:

Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent applies nesting by disposing the motor entirely within the front wheel assembly. The motor is nested inside the wheel structure, with the wheel surrounding the motor housing. This nested configuration lowers the center of gravity to enhance stability while containing the complexity within a compact integrated unit.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent merges the motor housing with the wheel assembly into a single integrated unit. The motor, housing, and wheel components are combined into one cohesive structure, which simplifies the overall vehicle design while achieving the desired center of gravity reduction and stability enhancement.

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If the front wheel is configured to swivel 360 degrees, then the vehicle can perform tighter turns and drifting maneuvers, but the control difficulty increases

Engineering Contradiction:

Improveturning capabilityVSAvoidcontrol difficulty

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces complex mechanical steering linkages with a powered rotational system. The front wheel's position is controlled by a motor that can rotate the wheel to any angle including 360 degrees, eliminating the need for complex mechanical steering mechanisms and reducing control difficulty while maintaining full turning capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent implements dynamic control of the front wheel through powered rotation capability. The wheel can transition between fixed and rotating states, and can be positioned at any angle dynamically controlled by the motor system, enabling tight turns and drifting while maintaining ease of operation through electronic control.

Inventive Principle:

Principle #15Dynamics

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 design provides a stable and controllable riding experience with improved maneuverability, enabling tighter turns and drifting capabilities, while maintaining deck flexibility and reducing the risk of instability.

Implementation Method 1

The front wheel assembly incorporates a hub motor together with a limiting mechanism. The electric-drive system is formed by electrically connecting the controller, the hub motor, and the battery.

Methodology Applied

Scientific EffectElectromagnetic conversion: Electromagnetic Induction

Data Source

PatentEP3934772B1Powered wheeled board

Publication Date: 2026.04.22 RAZOR USA LLC

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AI summary

Various powered personal mobility vehicles are disclosed. In some embodiments, the vehicle can include a deck having a forward portion, a rearward portion, and a neck portion. A front swivel wheel assembly and a rear swivel wheel assembly can be connected with the deck. In some embodiments, the front swivel wheel assembly comprises a motor.