Multi-function Cart with Convertible Shells and Interchangeable Tubes

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Solution Overview

Problem

Existing emergency response systems face challenges in quickly and effectively delivering emergency supplies to disaster victims, particularly in large-scale or widespread disasters, due to inadequate supply distribution and transportation issues, highlighting the need for a versatile and portable storage and transportation solution.

Innovation Solution

A multi-function cart with a compact design that can store emergency supplies and convert into various devices, featuring interchangeable tubes and hub brackets for forming handles, wheels for mobility, and adaptability for different scenarios, including emergency response, camping, and recreation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If emergency supplies are stored in fixed locations within close proximity of disaster zones, then quick access is improved, but the quantity and variety of supplies available are limited

Engineering Contradiction:
Improvetime to access suppliesVSAvoidquantity of emergency supplies
Core Design Contradiction:
Loss of timeVSQuantity of substance

Solution Approach 1:

The cart is designed as a multi-functional device that combines storage container, cart with wheels for transportation, and boat with removable bottom for water transport. This universal design allows a single device to fulfill multiple functions across different disaster scenarios, effectively increasing the variety and quantity of supplies that can be accessed and transported without requiring multiple separate storage locations.

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

2Quantity of substance

If adequate emergency supplies are stored within close proximity of disaster zones, then supply availability is improved, but transportation difficulty increases due to inaccessible locations

Engineering Contradiction:
Improvequantity of emergency suppliesVSAvoidease of transportation
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The cart can be deployed in multiple modes: as a wheeled cart for land transportation and as a boat for water transportation. The removable bottom feature allows it to function as a boat, enabling access to locations that are inaccessible by traditional wheeled vehicles. This multi-functionality directly addresses the transportation difficulty by providing adaptability to different terrain and access conditions.

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

Solution Approach 2:

The cart features dynamic reconfigurability where the bottom can be removed to transform it from a cart into a boat. This dynamic transformation allows the same structure to adapt to different operational requirements - wheeled transportation on land and waterborne transportation when water access is needed, thereby improving ease of operation across diverse environmental conditions.

Inventive Principle:
Principle #15Dynamics

3Volume of moving object

If a compact storage container design is used, then storage flexibility and accessibility are improved, but functionality and versatility are reduced

Engineering Contradiction:
Improvestorage container sizeVSAvoidfunctional versatility
Core Design Contradiction:
Volume of moving objectVSAdaptability or versatility

Solution Approach 1:

The compact storage container is designed with universal functionality - it can serve as a storage container, a wheeled cart for transportation, and a boat for water transport. The interchangeable tubes and hub brackets enable multiple configurations and functions from a single compact structure, maintaining versatility while preserving the benefits of compact storage.

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

Solution Approach 2:

The cart includes interchangeable tubes that can be configured in various ways using hub brackets with multiple hole positions. This segmentation and modularity allow the same compact container to be adapted for different functions and configurations, increasing functional versatility without increasing the base storage volume.

Inventive Principle:
Principle #1Segmentation

4Adaptability or versatility

If interchangeable tubes and hub brackets are added for multiple configurations, then adaptability and functionality are improved, but device complexity increases

Engineering Contradiction:
Improveconfiguration versatilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The hub brackets are designed as universal components with multiple holes that can accommodate various tube configurations. This universal interface allows the same hub bracket to support multiple tube arrangements for different functions, increasing configuration versatility while avoiding the need for multiple specialized components, thereby managing structural complexity.

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

Data Source

PatentEP2999611B1Multi-function cart
Publication Date: 2019.04.17 BENGTZEN TROY
  • EP2999611B1 patent drawingFigure 1A~1B
  • EP2999611B1 patent drawingFigure 1C~1D
  • EP2999611B1 patent drawingFigure 2A~2B

AI summary

A multi-function cart for storing and transporting emergency or other supplies. The multi-function cart comprises a shell and lid or two shells that can be secured together to form a transportable storage container. When separated, each shell is convertible into various configurations that can be used to sustain life during and after a disaster as well as to clean up and rebuild after a disaster has occurred. In this manner, the multi-function cart enables victims to quickly care for themselves, and encourages victims to immediately begin the clean-up and rebuilding process. The multi-function cart can also be used recreationally. Each shell is convertible into different configurations using various tubes. Hub brackets on opposing sides of the shell include adapters to which any of the tubes can be connected. The tubes can be connected to the adapters in an upward or a downward orientation to form different configurations.