Modular Cargo Carrier Detachable Trailer Assembly

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Solution Overview

Problem

Existing recreational trailers and cargo carriers lack versatility, ease of assembly/disassembly, and storage, particularly for users with limited space, and fail to provide multiple task applications and configurations.

Innovation Solution

A modular recreational trailer assembly comprising two detachable trailer members with a frame, axle, and wheels, along with a trailer tongue, light bar, and dolly bar, allowing for various configurations and easy assembly/disassembly, enabling the trailer to be used as a utility trailer, cargo carrier, and providing lighting and improved storage options.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a recreational trailer is designed to haul large items like ATVs and lawn tractors, then hauling capacity is improved, but storage space requirements and device complexity increase

Engineering Contradiction:
Improvehauling capacityVSAvoidstorage space
Core Design Contradiction:
Quantity of substanceVSArea of stationary object

Solution Approach 1:

The trailer is divided into two detachable members: a first trailer member with an axle and wheels for transportation, and a second trailer member that can be attached to extend hauling capacity. When not in use, the second member can be detached and stored separately, reducing storage space requirements while maintaining the ability to haul large items when needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The trailer configuration is made dynamic through detachable connections between members and removable implements. The user can attach or detach the second trailer member and various implements (light bar, dolly bar, cargo carrier) depending on the specific task, allowing the system to adapt its size and functionality rather than requiring full storage capacity for all possible configurations.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If a recreational trailer provides multiple task applications and configurations, then versatility is improved, but device complexity and assembly difficulty increase

Engineering Contradiction:
ImproveversatilityVSAvoidassembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The trailer members are designed with universal attachment points and standardized connection mechanisms that accommodate multiple implements including light bars, dolly bars, and cargo carriers. This allows a single trailer member to serve multiple functions (hauling, lighting, cargo transport) without requiring complex specialized structures for each function.

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

Solution Approach 2:

By separating the trailer into detachable members with standardized connection interfaces, the system achieves versatility through modular组合 rather than integrated complexity. Each module remains relatively simple, but their combinations provide multiple task applications, reducing individual component complexity while maintaining overall versatility.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If a recreational trailer is designed for easy assembly and disassembly, then ease of operation is improved, but structural stability and reliability may worsen

Engineering Contradiction:
Improveease of assemblyVSAvoidstructural stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The trailer is segmented into detachable members connected through standardized coupling mechanisms. These connections are designed to be simple to assemble and disassemble while incorporating locking features and secure attachment points that maintain structural stability during operation, balancing ease of operation with reliability.

Inventive Principle:
Principle #1Segmentation

4Area of stationary object

If a recreational trailer can be broken down into smaller components, then storage ease is improved, but device complexity and assembly time increase

Engineering Contradiction:
Improvestorage spaceVSAvoidassembly time
Core Design Contradiction:
Area of stationary objectVSLoss of time

Solution Approach 1:

The trailer is divided into two main detachable members with standardized connection interfaces. This segmentation allows the components to be stored in smaller spaces when not in use, while the standardized interfaces minimize assembly time by providing consistent, pre-engineered connection points that reduce the complexity of reassembly.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7997607B2Modular multi-functional cargo carrier and transport trailer
Publication Date: 2011.08.16 INNOVATIONS UNLTD LLC
  • US7997607B2 patent drawing
  • US7997607B2 patent drawing
  • US7997607B2 patent drawing

AI summary

A recreational trailer assembly that includes first and second trailer members and a trailer tongue that are all detachably and removably connected to one another. Specifically the first and second trailer members and trailer tongue are detachably removed from one another allowing for multi-functional uses of each and to provide assistance in transportation and storage of the entire recreational trailer assembly.