Ride-along Conveyor Hand Protection via Protective Wall

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Solution Overview

Problem

Ride-along ground conveyor vehicles pose a risk of hand injury to drivers when operating controls in narrow spaces due to exposure to external objects, with existing safety arrangements often leading to pinching or impact hazards.

Innovation Solution

The design incorporates a protective wall section within the support means that extends to shield the driver's hands while maneuvering controls, attached to the conveyor vehicle's chassis via a rod, ensuring hands remain within a protected area, preventing exposure to external objects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the driver operates control means in narrow alleys, then the driver can maneuver the conveyor vehicle, but the driver's hand is exposed to external objects causing injury risk

Engineering Contradiction:
Improvedriver's ability to maneuver control meansVSAvoidexposure to external objects
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

A protective wall section is introduced as an intermediary element between the driver's hand and external objects. This protective wall extends from the support means to create a physical barrier that shields the hand while allowing the driver to operate the control means mounted on the support means.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If protective side support means are provided, then the driver is protected from falling and impacts, but the hand may be pinched between the protective side support and external objects

Engineering Contradiction:
Improvedriver protection from falling and impactsVSAvoidpinching hazard
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The protective structure is segmented into distinct functional zones: the support means (bars or protective gates) provide structural support and fall protection, while the separately positioned protective wall section provides hand protection. This segmentation allows each element to perform its specific protective function without creating pinching hazards between components.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If control means are integrated in side support means, then the driver can operate controls while standing on platform, but the hand is exposed to impact hazards from surrounding objects

Engineering Contradiction:
Improvedriver's ability to operate controls from standing positionVSAvoidimpact hazard to hand
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The protective wall section extends in a new spatial dimension - vertically upward from the support means. This vertical extension creates a protective enclosure space that shields the hand from lateral impacts from surrounding objects while maintaining the driver's standing position and access to controls.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentEP3192768B1Ride-along ground conveyor vehicle
Publication Date: 2021.07.21 TOYOTA MATERIAL HANDLING MFG SWEDEN
  • EP3192768B1 patent drawingFigure 1
  • EP3192768B1 patent drawingFigure 2~3
  • EP3192768B1 patent drawingFigure 4~5

AI summary

A ride-along ground conveyor vehicle (1) comprising: - a platform (10) for a driver (20) of the conveyor vehicle (1); - at least a first support means (50) extending along at least a portion of a side (12, 13, 14) of the platform (10) and configured to support the driver (20) on the platform (10); - at least one control means (40) for controlling driving direction and/or velocity of the conveyor vehicle (1) and configured to be manually maneuvered by the driver (20), wherein the control means (40) is arranged in the support means (50) wherein the support means (50) comprises a protective wall section (54) having an outer side (56) facing away from the conveyor vehicle (1), wherein the protective wall section (54) extends, in respect to the control means (40), such that the protective wall section (54) protects a hand (21) of the driver (20) when maneuvering the control means (40).