Corner-Casting Alignment Guide for Fast Twistlock Installation

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Solution Overview

Problem

Current methods for aligning corner-castings in shipping containers are time-consuming and labor-intensive, requiring manual measurements with rulers or other devices to ensure precise positioning for secure twistlock engagement.

Innovation Solution

An alignment device with a body that fits within the corner-casting aperture, featuring a visual guide and adjustable flanges for secure friction fit, along with optional laser beams or strings to facilitate precise alignment, allowing for quick and efficient alignment of corner-castings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual measurement with rulers or measurement devices is used to align corner-castings, then alignment precision can be achieved, but the installation process becomes time-consuming and labor-intensive

Engineering Contradiction:
Improvealignment precisionVSAvoidinstallation speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The alignment device serves as an intermediary tool between the corner-casting and the alignment reference. It fits within the corner-casting aperture and provides visual guides that extend outward, mediating the alignment process by translating internal positioning into external visual references that installers can easily follow, thereby achieving precise alignment without time-consuming manual measurements

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention replaces the mechanical measurement system (rulers, protractors, and manual measurement procedures) with a visual guidance system. The visual guides on the alignment device provide intuitive directional cues that eliminate the need for installers to use measurement tools, substituting a complex mechanical measurement process with a simple visual alignment task that maintains precision while dramatically improving installation speed

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If manual measurement and alignment procedures are used, then accurate positioning is achieved, but the burden on the installer increases

Engineering Contradiction:
Improvepositioning accuracyVSAvoidinstaller burden
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The alignment device enables self-service alignment by providing all necessary alignment information directly on the device itself. The visual guides are integrated into the alignment device that is already positioned in the corner-casting, allowing the installer to self-align the component without requiring external measurement tools or complex procedures, thereby reducing installer burden while maintaining positioning accuracy

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The visual guides utilize contrasting colors or visual patterns that are easily distinguishable, making the alignment process intuitive and reducing the cognitive load on the installer. The visual guides may use color coding or high-contrast markings that immediately indicate the correct alignment direction, eliminating the need for installers to interpret measurement data or perform complex alignment calculations

Inventive Principle:
Principle #32Color changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables rapid, accurate, and cost-effective alignment of corner-castings, reducing installer burden and ensuring proper positioning for secure ISO-container connections.

Implementation Method 1

a body adapted to fit within a corner-casting aperture and to engage with the edges of the aperture with a friction fit

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP4331968A1Twistlock alignment
Publication Date: 2024.03.06 BAE SYSTEMS PLC
  • EP4331968A1 patent drawingFigure 1a~1b
  • EP4331968A1 patent drawingFigure 2
  • EP4331968A1 patent drawingFigure 3

AI summary

The present invention provides an alignment device for aligning a corner-casting during installation. The alignment device comprises a body adapted to fit within a corner-casting aperture and to engage with the edges of the aperture with a friction fit, wherein the upper surface of the body comprises a visual guide. A kit and method of installing a corner-casting are also provided.