Securing device for detachably securing a front panel on a drawer
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Solution Overview
Problem
Existing fastening devices for detachably attaching a front panel to a drawer often result in undesirable tilting movements when the drawer is actuated, leading to delayed movement due to insufficient locking mechanisms.
Innovation Solution
A fastening device with a separate, movable locking element that rests on a pre-assembled furniture fitting, utilizing a wedge surface for enhanced holding force and a spring-loaded mechanism for secure attachment, allowing for efficient transmission of forces and simplified assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a spring-loaded catching part is used for automatic locking, then the assembly is simplified, but tilting movement occurs when the drawer is actuated
Solution Approach 1:
The locking mechanism is divided into two separate functional elements: a catching element for automatic locking and a separate locking element for stabilization. This segmentation allows each element to be optimized for its specific function, preventing tilting movement while maintaining ease of assembly.
Solution Approach 2:
The locking element is designed to be movable rather than fixed, allowing it to adapt to the furniture fitting's position and provide dynamic stabilization. This movable design enables the locking element to respond to forces during drawer actuation and prevent unwanted tilting.
2Reliability
If a separate locking element is introduced, then locking stability is improved, but device complexity increases
Solution Approach 1:
The locking element is integrated into the existing catching device structure, combining the functions of locking and stabilization within a unified assembly. This merging approach adds the necessary stabilization function without creating a completely separate complex subsystem.
Solution Approach 2:
The locking element serves multiple functions: it stabilizes the furniture fitting against tilting, provides additional locking force, and works in conjunction with the catching element. This multi-functionality reduces the need for additional separate components.
3Ease of manufacture
If the locking element is designed to be movable, then ease of assembly is improved, but the structure becomes more complex
Solution Approach 1:
The locking element is nested within the catching device structure, moving within a guideway that is part of the existing assembly. This nesting approach allows the movable locking element to be integrated smoothly without adding external complexity.
Solution Approach 2:
A guideway serves as an intermediary structure that guides the movement of the locking element. This guideway simplifies the implementation of movable components by providing a predefined path, reducing the complexity of ensuring proper movement and alignment.
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 provides a secure, efficient, and cost-effective attachment system that minimizes the risk of unintentional release and reduces the size of components, ensuring stable and reliable operation while allowing for easy assembly and adjustment.
Implementation Method 1
an energy accumulator in the form of at least one spring can be provided in a simple, cost-effective and low-wear manner
Implementation Method 2
the locking element pushes the front panel with the pre-assembled furniture fitting in a spring-loaded manner
Implementation Method 3
rests in a locked position with a wedge surface on the pre-assembled furniture fitting
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3
AI summary
Fastening device (1) for detachably fastening a front panel (93) to a drawer (90), in particular to a drawer side wall (92), comprising: - at least one furniture fitting (94) that can be pre-mounted on the front panel (93), - a catch device (2) associated with the drawer (90), wherein the catch device (2) automatically holds the furniture fitting (94) when it is inserted and the catch device (2) has a movable catch element (20), and - a locking device (3) that prevents the furniture fitting (94) from unintentionally releasing from the fastening device (1), wherein the locking device (3) has a movable locking element (30) separate from the catch element (20), which rests against the pre-mountable furniture fitting (94) in a locked position, and wherein the catch element (20) and the separate locking element (30) are coupled in their movement - preferably in every position.wherein the fastening device (1) has a feed track (42) for the furniture fitting (94), wherein the feed track (42) has a substantially straight course and wherein the locking device (3) automatically holds the furniture fitting (94) against unintentional release at at least two different positions along the feed track (42).