Portable Lifting Device with Parallel Elements for Heavy Objects

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Solution Overview

Problem

Existing devices fail to efficiently and versatility lift and transport heavy and bulky objects, such as extension ladders and large containers, while also being lightweight and portable, leading to potential injuries and limited adaptability for various objects.

Innovation Solution

A portable lifting and transporting device with a handle and multiple parallel lifting elements, allowing for the easy lifting and carrying of diverse objects by distributing weight effectively.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple lifting elements are added to handle various objects, then versatility is improved, but device complexity increases

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

Solution Approach 1:

The lifting device incorporates multiple lifting elements (first lifting element, second lifting element, third lifting element) that can be used in different combinations to handle various objects including extension ladders, pails, coolers, and building construction panels. This multi-functional design allows a single device to perform multiple lifting tasks without requiring separate specialized tools for each object type.

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

2Ease of operation

If the device is made lightweight and portable, then ease of operation is improved, but lifting capacity may be reduced

Engineering Contradiction:
ImproveportabilityVSAvoidlifting capacity
Core Design Contradiction:
Ease of operationVSForce

Solution Approach 1:

The lifting device is divided into multiple independent lifting elements (first lifting element with lip, second lifting element with lip, third lifting element with lip) that can be used separately or in combination. This segmentation allows the user to engage only the necessary number of lifting elements for each specific task, optimizing the balance between device portability and lifting capacity for different objects.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9205983B1Lifting and transporting device
Publication Date: 2015.12.08 REESE TIMOTHY J
  • US9205983B1 patent drawing
  • US9205983B1 patent drawing
  • US9205983B1 patent drawing

AI summary

A transporting and lifting device has a handle upstanding from a base member. The device has at least three lifting elements extending parallel to the base member for lifting a variety of objects of various weights and configurations. The device is lightweight and portable for ease of use with those objects to be lifted.