Segmented Motorcycle Dolly with Movable Wheels

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Solution Overview

Problem

Existing motorcycle dollies require two people to operate safely, are bulky, expensive, and inefficient for single-person use, especially when handling large or broken-down motorcycles, due to instability and storage challenges.

Innovation Solution

A dolly design with interchangeable and lockable wheel configurations, comprising a front and rear segment with wheels that can be independently or simultaneously raised, allowing for secure stabilization and easy movement of motorcycles by a single person, featuring a compact disassembly for storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If commercially available motorcycle dollies are used, then motorcycles can be moved, but at least two people are required to operate them safely

Engineering Contradiction:

Improvenumber of operators requiredVSAvoidmotorcycle stability during loading

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The dolly is divided into a front segment and a rear segment that can be connected together. Each segment has its own wheels and can be independently positioned, allowing the operator to secure the motorcycle in stages and maintain stability with minimal effort

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The dolly incorporates movable wheels that can be independently raised and lowered, and connecting members that can be assembled and disassembled. This dynamic configuration allows the dolly to adapt to different loading scenarios and maintain stability throughout the loading process

Inventive Principle:

Principle #15Dynamics

2Ease of operation

If commercially available motorcycle dollies are used, then motorcycles can be moved, but the dollies are very bulky and require significant storage space

Engineering Contradiction:

Improvestorage space requirementsVSAvoiddolly functionality

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

By dividing the dolly into separable front and rear segments connected by disassemblable connecting members, the dolly can be stored in a compact state when not in use, yet fully assembled when needed for motorcycle transport

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The front and rear segments can be nested or stacked when stored, minimizing the space required while maintaining full functionality when deployed

Inventive Principle:

Principle #7Nested doll (Nesting)

3Ease of operation

If ramps are used to load motorcycles onto dollies, then loading is possible, but pushing large motorcycles with flat tires up ramps is virtually impossible and dangerous

Engineering Contradiction:

Improveloading feasibilityVSAvoidrisk of damage and injury

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

Instead of pushing the motorcycle up a ramp onto a stationary platform, the dolly's wheels are lowered to the ground, the motorcycle is rolled onto the dolly at ground level, and then the dolly's wheels are raised to lift the motorcycle. This reverses the traditional loading sequence and eliminates the need to push heavy motorcycles up ramps

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The dolly acts as an intermediary device between the motorcycle and the final destination. By using the dolly's movable wheels as the lifting mechanism rather than a fixed ramp, the system provides mechanical advantage and reduces the physical effort required while maintaining safety

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS10160468B1Two-wheeled vehicle dolly and method of moving same

Publication Date: 2018.12.25 V & R LLC

AI summary

A dolly comprising a front segment and a rear segment, each with wheels at both ends thereof, wherein the wheels are movable between lowered and lifted settings, at least two connecting members between the front segment and the rear segment, and at least one towing ring on the front segment.