Baby Changing Unit Front Panel Guide Mechanism for Fall Prevention

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Solution Overview

Problem

Existing changing furniture for small children is not reliable in preventing falls, especially as children become more mobile and can kick the front wall, and complex multi-stage locking mechanisms are expensive and difficult to secure properly.

Innovation Solution

A changing unit with a base plate, a front wall that moves between closed and open positions, and side walls, featuring guide means that allow the front wall to be pivoted and lifted into an open position, making it difficult for children to open and ensuring secure closure without additional securing mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If complex multi-stage locking mechanisms are used to prevent the front panel from opening, then fall prevention reliability is improved, but manufacturing cost and device complexity increase

Engineering Contradiction:
Improvefall prevention reliabilityVSAvoidlocking mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The guide means automatically guides the front panel into the closed position through its geometry, eliminating the need for complex locking mechanisms. The panel self-locks by engaging with the guide structure, providing reliable fall prevention without additional securing devices

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The guide means changes the movement parameters of the front panel by restricting it to a specific trajectory. This geometric constraint ensures the panel remains securely closed during normal use while allowing controlled opening when properly manipulated

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If the front panel is made easily detachable for user convenience, then ease of operation is improved, but fall prevention reliability deteriorates

Engineering Contradiction:
Improvepanel detachabilityVSAvoidfall prevention reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The guide means enables the front panel to be easily detached and reattached by the user through simple manual manipulation, while the self-locking geometric design ensures automatic secure engagement that provides reliable fall prevention without requiring complex fastening operations

Inventive Principle:
Principle #25Self-service

3Ease of operation

If the front panel is designed to be movable between closed and open positions, then ease of operation is improved, but fall prevention reliability worsens

Engineering Contradiction:
Improvepanel adjustabilityVSAvoidfall prevention reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The guide means controls the movement parameters of the front panel by defining a specific trajectory that includes both closed and open positions. The geometric constraints ensure the panel maintains a secure closed position during normal use while allowing controlled transitions to open position when properly manipulated

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The front panel is designed as a dynamic element that can transition between closed and open states. The guide means provides dynamic control through its geometric structure, allowing the panel to be securely closed during use and easily opened when needed, with automatic return to the closed position

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3108771B1Baby changing furniture
Publication Date: 2020.04.29 WESIACK MAX
  • EP3108771B1 patent drawingFigure 1
  • EP3108771B1 patent drawingFigure 2
  • EP3108771B1 patent drawingFigure 3

AI summary

Changing unit with - a base plate (10), - a front wall (30) arranged on the front side of the changing unit and movable between a closed position and an open position in or on the changing unit and - at least two side walls arranged on the base plate (10), wherein - the Side walls and the front wall (30) in the closed position extend essentially perpendicularly to the base plate (10) and delimit it, wherein - the front wall (30) has a first guide means, - at least one side wall (20) has a second guide means, - the guiding means interact in such a way that by moving the front wall (30) in the closed position in the direction of the rear of the changing unit and by subsequently raising the front wall (30), the front wall (30) can be guided from the closed position into the open position .