Furniture Guide Lever with Safety Locking Element
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Solution Overview
Problem
Existing furniture guide mechanisms, such as hinges and flap fittings, pose a risk of injury due to strong spring action during mounting and operation, particularly when the furniture part is not properly assembled.
Innovation Solution
A safety element is integrated into the guide mechanism, which limits the pivoting range and prevents the device from closing unless the furniture part is correctly mounted, featuring a spring-loaded securing element that moves between articulated levers to ensure safe operation and prevent accidental closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the guide means is designed with strong spring action for mounting, then the mounting force is sufficient, but the risk of injury increases
Solution Approach 1:
The patent implements a preliminary blocking mechanism where the securing element prevents the guide means from closing before the furniture part is properly mounted. This preliminary action blocks the harmful closing movement in advance, allowing the strong spring force to be safely used for mounting without creating injury risk during operation.
Solution Approach 2:
The securing element acts as an intermediary between the spring force and the closing movement. It mediates by blocking the closing path when the furniture part is not mounted, while allowing normal closing operation when properly assembled, thus enabling strong spring action without injury risk.
2Ease of operation
If the guide means allows full closing movement, then the furniture part can reach the closed position, but the device may close without proper assembly causing injury
Solution Approach 1:
The securing element performs a preliminary blocking function before allowing closing movement. It checks whether the furniture part is properly mounted by blocking the closing path if not assembled correctly, and only releases the block when proper assembly is detected, preventing injury from improper closure.
Solution Approach 2:
The securing element automatically detects whether the furniture part is properly mounted and self-adjusts the blocking state accordingly. When the furniture part is not mounted, it automatically blocks closing; when mounted, it automatically releases the block, enabling full closing movement without manual intervention.
3Object-affected harmful factors
If the securing element blocks the closing movement, then safety is improved, but the pivoting range is limited
Solution Approach 1:
The securing element dynamically changes its blocking state based on the assembly condition. When the furniture part is not mounted, it blocks the closing movement to ensure safety. When the furniture part is properly mounted, it releases the block, allowing the full pivoting range to be achieved. This dynamic adaptation resolves the contradiction between safety and range of motion.
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
The solution enhances safety by preventing the device from being closed without proper assembly, reducing the risk of injury and ensuring the furniture part reaches the intended position during operation, while maintaining a slim and central force introduction design.
Implementation Method 1
a spring element (25) is arranged on the articulated lever (20), wherein the spring element (25) acts on the securing element (30) in such a way that the securing element (30) is urged into the first position by the spring element (25)
Data Source
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AI summary
Device for moving a furniture part mounted on a furniture carcass, wherein the device has guide means, wherein, when the device is mounted on the furniture, the furniture part can be moved with the guide means from a closed position relative to the furniture carcass to an open position relative to the furniture carcass and back, wherein in the closed position the furniture part assumes a position moved towards a front side of the furniture carcass, wherein a guide means is designed as a hinged lever, wherein the hinged lever is designed to be detachably arranged on mounting means of the device, wherein the mounting means can be mounted on the furniture part.The device is characterized in that the guide means comprise a locking element, wherein the locking element is movably arranged on the articulated lever and can be positioned relative to the articulated lever, wherein in a first position of the locking element a pivoting range of the guide means is limited by the locking element, so that the guide means cannot be moved to the closed position during a closing movement from the open position, wherein in a second position of the locking element the pivoting range of the guide means is released, so that the guide means can reach the closed position during the closing movement from the open position.