Foldable A-Frame Carrier With Swingable Braces

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Solution Overview

Problem

Standard A-frame carriers are cumbersome and expensive to store and transport due to their large size, which compromises their strength and functionality when made foldable for storage and transportation purposes.

Innovation Solution

A foldable and collapsible A-frame carrier design featuring symmetrical A-shaped sides with swingable braces, a central support, and a connecting crossbar that can be easily assembled and disassembled for use, storage, and transport, while maintaining structural integrity through secure attachment methods like bolting and welding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the A-frame carrier is made foldable for easy storage and transport, then storage and transportation efficiency is improved, but the structural strength and support capability deteriorates

Engineering Contradiction:
Improvestorage volumeVSAvoidstructural strength
Core Design Contradiction:
Volume of moving objectVSStrength

Solution Approach 1:

The A-frame carrier employs dynamic design where the frame can transition between extended (for strength) and folded (for compact storage) positions. The swingable braces and collapsible structure allow the carrier to adapt its configuration based on operational needs, maintaining full structural integrity when deployed while achieving compact dimensions for storage and transport.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The carrier structure is divided into separable components including swingable braces, collapsible frame sections, and detachable crossbars. This segmentation allows each component to be independently positioned or folded, enabling the overall structure to collapse into a compact form for storage while maintaining complete structural strength when assembled for use.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the A-frame carrier is made foldable for easy storage, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improveease of storageVSAvoidstructural complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The foldable A-frame carrier is designed with self-latching mechanisms and gravity-assisted folding features that allow the structure to automatically lock into position during assembly and disassembly. The swingable braces and collapsible sections utilize mechanical self-locking features, eliminating the need for complex fastening systems or multiple tools, thereby maintaining ease of operation despite the added folding functionality.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8376291B1Foldable A-frame carrier
Publication Date: 2013.02.19 GROVES INC
  • US8376291B1 patent drawing
  • US8376291B1 patent drawing
  • US8376291B1 patent drawing

AI summary

A-frame carriers are used to support slabs and bundles of stone, cases of glass and many more items. A foldable and collapsible A-frame carrier, which is easily assembled for use or disassembled for storage or transport provides more effective support.