Wheeled Vehicle Cover Coupling With Triangular Slots

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Solution Overview

Problem

Wheeled vehicles, such as motorcycles and scooters, face issues with cover coupling structures that are prone to breaking under rotational forces due to the fragility of engaging pieces.

Innovation Solution

A coupling structure for wheeled vehicle covers featuring triangularly arranged openings and projections on one cover and slots on the other, allowing for secure attachment without excessive stress on the engaging pieces, ensuring durability and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If small engaging pieces are used to couple covers, then the coupling structure is simple, but the engaging pieces are fragile and break easily under rotational forces

Engineering Contradiction:
Improvecoupling structure complexityVSAvoidengaging piece durability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The coupling structure is divided into multiple engaging pieces (first, second, and third engaging pieces) distributed at different locations on the cover. Each engaging piece has a substantial size and is positioned to resist rotational forces independently, preventing any single piece from bearing excessive stress and breaking.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The engaging pieces are arranged in a triangular pattern around the periphery of the cover, distributing the coupling points across different spatial dimensions. This triangular arrangement creates geometric stability that resists rotational forces more effectively than a linear or single-point arrangement, while maintaining structural simplicity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Area of stationary object

If multiple small engaging pieces are used, then the coupling coverage is adequate, but the pieces are prone to breaking when rotational force is applied

Engineering Contradiction:
Improvecoupling coverage areaVSAvoidresistance to rotational force
Core Design Contradiction:
Area of stationary objectVSStrength

Solution Approach 1:

The coupling structure uses multiple segmented engaging pieces positioned at different locations (first, second, and third engaging pieces) to distribute the coupling function across the cover surface. Each piece is substantially sized and positioned to independently resist rotational forces, preventing any single piece from bearing excessive stress.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The engaging pieces are arranged in a triangular pattern around the periphery of the cover, distributing coupling points across different spatial dimensions. This triangular arrangement creates geometric stability that resists rotational forces more effectively, transforming the coupling from a simple area coverage to a dimensionally distributed force-resisting structure.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Device complexity

If engaging pieces are positioned close together, then the coupling structure is compact, but rotational force easily breaks the pieces

Engineering Contradiction:
Improvecoupling structure compactnessVSAvoidresistance to breaking
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The engaging pieces are arranged in a triangular pattern around the periphery of the cover, distributing coupling points across different spatial dimensions. This triangular arrangement creates geometric stability that resists rotational forces more effectively than a compact clustered arrangement, while maintaining overall structural compactness through the integrated cover design.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The coupling structure uses multiple segmented engaging pieces positioned at different locations on the cover periphery. Each piece is substantially sized and positioned to independently resist rotational forces, preventing any single piece from bearing excessive stress while maintaining compact integration with the cover body.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7380872B2Wheeled vehicle with covers
Publication Date: 2008.06.03 YAMAHA MOTOR CO LTD
  • US7380872B2 patent drawing
  • US7380872B2 patent drawing
  • US7380872B2 patent drawing

AI summary

A wheeled vehicle includes wheels. A frame supports the wheels. First and second covers cover the wheels or the frame. The first cover includes first, second and third openings. The openings are preferably slots. The respective openings are arranged to form a triangle. The second cover includes first, second and third projections corresponding to the first, second and third openings of the first cover, respectively. The first, second and third projections are inserted into the associated first, second and third openings to couple the second cover with the first cover.