Coupled Fall Protection and Catwalk Actuation Mechanism

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Solution Overview

Problem

Existing vehicle body designs require high manipulation effort to transition the catwalk and fall protection between storage and use positions due to the lack of a separate adjustment device for the catwalk and movement device, resulting in identical usage and storage positions.

Innovation Solution

The integration of a coupled movement and adjustment device that allows a single actuation step to activate both the movement of the fall protection and the adjustment of the catwalk, reducing the manipulation effort by ensuring simultaneous operation of both systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the fall protection and catwalk are firmly connected to one another, then the structural stability is improved, but the manipulation effort increases because separate adjustment is not possible

Engineering Contradiction:
Improvestructural stabilityVSAvoidmanipulation effort
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The patent combines the movement device for fall protection and the adjustment device for catwalk into a single integrated device with coupled actuation. When the actuator is activated, it simultaneously moves the fall protection between loading and transport positions while adjusting the catwalk between use and storage positions, reducing manipulation effort while maintaining structural stability through the coupled mechanism

Inventive Principle:
Principle #5Merging (Combining)

2Productivity

If the fall protection is moved first to loading position and then catwalk is adjusted to use position, then the operational sequence is clear, but the manipulation effort increases due to multiple separate actions required

Engineering Contradiction:
Improveoperational sequenceVSAvoidmanipulation effort
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The integrated device merges two separate operational sequences into a single simultaneous action. The coupling mechanism ensures that when the actuator moves the fall protection from transport to loading position, the catwalk automatically adjusts from storage to use position at the same time, eliminating the need for separate manual operations while maintaining clear operational logic

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mechanical coupling is pre-configured so that the movement of the fall protection automatically triggers the corresponding adjustment of the catwalk. The devices are mechanically linked in advance, so that the action of moving fall protection preliminarily prepares and simultaneously executes the catwalk adjustment, reducing the need for separate manual intervention steps

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3118058B1Vehicle superstructure
Publication Date: 2018.09.19 KASSBOHRER TRANSPORT TECHNIK GMBH
  • EP3118058B1 patent drawingFigure 1
  • EP3118058B1 patent drawingFigure 2
  • EP3118058B1 patent drawingFigure 3a~3b

AI summary

Vehicle body (1) with a loading area (16) that can be secured by a fall protection device (3), wherein the fall protection device (3) can be moved back and forth between a transport position and a loading position by a movement device (2) and a walkway (5) that can be adjusted between a storage position and a usage position by an adjustment device (4), wherein the movement device (2) and the adjustment device (4) are coupled to each other in such a way that when the adjustment device (4) is actuated, the movement device (2) is actuated or vice versa.