Fork-Mounted Roll Container Turner for Ergonomic Handling

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Solution Overview

Problem

Existing devices for turning roll containers, such as lifting mechanisms, are inefficient and ergonomically challenging due to the weight of the containers, leading to high costs and ergonomic issues.

Innovation Solution

A device comprising a fastening section and a rotating section with fork elements, designed for attachment to industrial truck forks, allowing for ergonomic and cost-effective turning of roll containers by ensuring stable engagement and rotation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If lifting mechanisms are used to turn roll containers, then the turning capability is achieved, but the cost and ergonomic issues increase due to the weight of the containers

Engineering Contradiction:
ImproveergonomicsVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The device is divided into two main segments: a fastening section that attaches to the industrial truck forks, and a rotating section that can independently rotate to turn the roll container. This segmentation allows the heavy lifting function to remain with the truck while the rotating section handles the turning maneuver, improving ergonomics without requiring a completely complex new system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The rotating section acts as an intermediary between the fastening section and the roll container. It receives the lifted container from the fastening section and provides the rotational motion needed for turning, mediating between the lifting capability and the turning requirement while maintaining operational simplicity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Volume of moving object

If the fork elements are positioned close together, then the device is more space-saving, but the engagement stability with roll containers must be maintained

Engineering Contradiction:
Improvedevice volumeVSAvoidengagement stability
Core Design Contradiction:
Volume of moving objectVSStability of the object's composition

Solution Approach 1:

The rotating section is designed to rotate during operation, dynamically adjusting the position of the fork elements relative to the roll container. This dynamic capability allows the fork elements to start close together for compact storage but spread apart during engagement to ensure stable interaction with the container base section.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fastening section and rotating section are combined into a single integrated device that attaches to the industrial truck. This merging allows the device to maintain a compact form factor when not in use while providing full turning capability when needed, resolving the contradiction between space-saving and functional stability.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4617225A1Device for turning roll containers, use and method
Publication Date: 2025.09.17 DEUT POST AG
  • EP4617225A1 patent drawingFigure 1
  • EP4617225A1 patent drawingFigure 2A~2B
  • EP4617225A1 patent drawingFigure 3A~3C

AI summary

The invention relates to a device (2) for turning roll containers (200) and for fastening them to fork tines (102) of an industrial truck (100), comprising a fastening section (10) for fastening to the fork tines (102) and a rotating section (20) which is rotatably mounted on the fastening section (10), wherein the rotating section (20) has two fork elements (22) for engaging in a base section (202) of a roll container (200), and wherein a distance (26) between the two fork elements (22) and a length (28) of the two fork elements (22) are provided, and the length (28) is at least twice as large as the distance (26), and/or the rotating section (20) has a spacing element (34) for spacing the two fork elements (22) from a base (B). The invention further relates to a method.