Multi-Axle Toy Vehicle Coupling for Stable Interactive Play

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Solution Overview

Problem

Existing toy vehicles lack innovative designs that enhance play value and interactive engagement, stability, and versatility, limiting their entertainment value for children.

Innovation Solution

A toy vehicle design featuring multiple axles and wheels, allowing for enhanced stability, haptic feedback, and unique play configurations, including the ability to couple with additional vehicles for hauling or carrying, and adjustable hitch mechanisms for versatile play scenarios.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a toy vehicle has a conventional design with limited features, then it is simple to manufacture and operate, but it lacks innovative designs that enhance play value and interactive engagement

Engineering Contradiction:
Improveplay value and interactive engagementVSAvoidvehicle design complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The toy vehicle is designed with multiple axles and wheels that can serve different functions - the additional axles and wheels not only provide stability but also enable the vehicle to couple with other vehicles for hauling or carrying, creating multi-functional play scenarios from a single design

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The vehicle body is divided into modular sections with separate axles and wheels that can be independently positioned or adjusted, allowing for versatile play configurations while maintaining manufacturing simplicity through standardized components

Inventive Principle:
Principle #1Segmentation

2Stability of the object's composition

If a toy vehicle has fewer wheels and axles, then it is simpler in design and easier to manufacture, but it lacks enhanced stability and haptic feedback

Engineering Contradiction:
Improvevehicle stabilityVSAvoidnumber of axles and wheels
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

Additional axles and wheels are strategically positioned at specific locations on the vehicle body to provide enhanced stability where needed, rather than uniformly distributing complexity throughout the entire vehicle structure

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

Multiple axles and wheels are combined into a unified vehicle structure where they work together to provide both stability and haptic feedback, creating a cohesive design that achieves multiple benefits simultaneously

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If a toy vehicle cannot couple with other vehicles, then it has a simpler design, but it lacks versatility and compatibility with various toy vehicle playsets

Engineering Contradiction:
Improvecompatibility with playsetsVSAvoidcoupling mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The coupling mechanism is designed to perform multiple functions - it enables the vehicle to attach to other vehicles for hauling or carrying, while also providing structural support and stability, reducing the need for separate coupling components

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The coupling mechanism includes adjustable components that can adapt to different vehicle configurations and playset requirements, providing versatility without requiring complex specialized mechanisms for each scenario

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12377361B2Toy vehicle
Publication Date: 2025.08.05 MATTEL INC
  • US12377361B2 patent drawing
  • US12377361B2 patent drawing
  • US12377361B2 patent drawing

AI summary

A toy vehicle includes a body, a first axle, a second axle, and a third axle connected to the body, and three pairs of wheels respectively coupled to the first axle, second axle, or third axle. The toy vehicle also includes a support configured to couple to an additional toy vehicle. Tilting the body of the toy vehicle to a first side causes the first axle to rotate in a first direction and the second and third axles to both rotate in a second direction, the second direction being opposite of the first direction.