Interchangeable Sheet Folding Assembly for Limited-Access Seams

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Solution Overview

Problem

Existing folding devices for metal sheets are cumbersome, require multiple operators, and are limited to performing one type of fold, making them inefficient for use in areas with limited access and varying surface profiles.

Innovation Solution

A sheet folding mechanism with a changeable folding end, comprising a fixing body and a folding mechanism, along with a sheet folding kit that includes multiple folding ends and blocks, allowing for various fold profiles and enabling a single operator to efficiently fold metal sheets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If heavy machinery or specialised equipment is used to cover surfaces in limited access areas, then the cladding can be applied, but the equipment becomes difficult to move and requires multiple operators

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

Solution Approach 1:

The folding device is divided into separate modular components including a handle assembly, folding mechanism, and interchangeable folding ends that can be detached and reconfigured. This segmentation allows the device to be easily transported through narrow access areas and enables a single operator to manage different folding configurations without requiring heavy machinery.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device incorporates a dynamic folding mechanism with movable components including a pivotable folding end, adjustable folding block, and flexible positioning system. These dynamic elements allow the device to adapt to various surface profiles and fold types while maintaining maneuverability and single-operator control.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If fixed-configuration folding equipment is used, then one type of fold can be performed, but the equipment cannot adapt to different surface profiles or fold types

Engineering Contradiction:
Improvefold profile versatilityVSAvoiddevice configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The folding device is designed as a universal tool with interchangeable folding ends and adjustable folding blocks that can perform multiple fold types including mitre folds, hem folds, and custom profiles. The standardized interface allows different folding components to be attached to the same handle assembly, providing versatility across various surface profiles without requiring multiple specialized devices.

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

Solution Approach 2:

The device incorporates a dynamic folding mechanism with movable components including a pivotable folding end, adjustable folding block, and flexible positioning system. These dynamic elements allow the device to adapt to various surface profiles and fold types while maintaining maneuverability and single-operator control.

Inventive Principle:
Principle #15Dynamics

3Productivity

If multiple operators are used to operate folding machinery, then the equipment can be controlled, but the risk of accidents increases and efficiency decreases

Engineering Contradiction:
Improvefolding efficiencyVSAvoidaccident risk
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The folding device is designed to be self-contained and self-controlled by a single operator through ergonomic handle assembly with integrated positioning controls. The device includes self-adjusting features and intuitive operation mechanisms that eliminate the need for multiple operators, thereby reducing coordination complexity and minimizing accident risks while maintaining high folding efficiency.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250196212A1Sheet folding device and method for folding sheet
Publication Date: 2025.06.19 OUTILS MDG INC
  • US20250196212A1 patent drawing
  • US20250196212A1 patent drawing
  • US20250196212A1 patent drawing

AI summary

A sheet folding device is provided, the device comprising a body and a folding assembly, the folding assembly having a changeable folding end. A sheet folding kit is also provided, the kit comprising a sheet folding mechanism comprising a fixing body and a folding mechanism, two or more folding ends, and two or more folding blocks. A method of folding a sheet is further provided, the method comprising selecting a folding end of a folding assembly based on the fixing profile and the desired seam.