Mechanical fitting means for a front panel drawer
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Solution Overview
Problem
Existing furniture fittings for attaching front panels to drawer frames are inefficient due to misalignment of connecting elements, complex storage, and uneven press-in force, particularly when dealing with high front panels.
Innovation Solution
A two-part connecting element with at least two mounting elements each, where the parts are U-shaped with parallel tabs connected by a crossbar, allowing for precise alignment and secure attachment to the front panel, and a one-piece adjusting plate for the fastening device for stability and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a two-part connecting element with single mounting elements is used, then the structure is simpler, but the alignment precision and attachment stability deteriorate
Solution Approach 1:
The connecting element is divided into two separate parts (first and second parts) that can be independently attached to the front panel. Each part has its own mounting elements, allowing separate positioning and alignment. This segmentation enables the front panel to be divided into corresponding sections for independent attachment, improving alignment precision while maintaining structural simplicity.
Solution Approach 2:
The connecting element parts are designed with universal mounting capabilities using multiple mounting elements (screws, dowels, or adhesive areas) that can accommodate different attachment methods. The locking elements also serve dual purposes: securing the connecting element to the front panel and engaging with the fastening device, providing multi-functional attachment stability.
2Ease of operation
If only one locking element is used per connecting element part, then the attachment process is simpler, but the attachment stability and reliability deteriorate
Solution Approach 1:
Each connecting element part is equipped with at least one locking element positioned at specific locations to provide localized secure engagement with the fastening device. The locking elements can be hooks, lugs, or protrusions that engage with corresponding recesses or slots, creating reliable attachment points at critical locations while keeping the overall attachment process simple.
3Loss of substance
If mounting elements are placed close together, then the material consumption is reduced, but the press-in force distribution becomes uneven
Solution Approach 1:
The mounting elements are strategically positioned at optimized distances from each other and from the edges of the front panel. This parameter optimization ensures that the press-in force is evenly distributed across the mounting elements during attachment, preventing localized stress concentrations while minimizing the total number of mounting elements required, thus reducing material consumption.
4Volume of moving object
If the connecting element parts are attached close together, then the structure is more compact, but the adaptability to high front panels deteriorates
Solution Approach 1:
The connecting element parts and their corresponding mounting elements are designed to be positionally adjustable along the front panel. This dynamic positioning capability allows the furniture fitting to adapt to front panels of various heights, including high front panels over 30 cm, while maintaining a compact structure when attached to smaller panels. The adjustable positioning enables optimization of the distance between mounting elements based on the specific application.
Data Source
Figure 1
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AI summary
The invention relates to a furniture fitting (1) for attaching a front panel (2) to a drawer frame (3), comprising a fastening device (4) for the front panel (2) that is associated with the drawer frame (3) and a connecting element (5) that can be mounted on the front panel (2), which connecting element comprises mounting elements (6), in particular dowels, for fastening to the front panel (2), wherein the connecting element (5) can be fastened to the fastening device (4) in a detachable and in particular position-adjustable manner, and comprises a first part (5a) and a second part (5b) arranged at a distance from the first part (5a) in the mounting position, wherein the first part (5a) of the connecting element (5) can be connected to the front panel (2) by means of at least two mounting elements (6) and the second part (5b) of the connecting element (5) can be connected to the front panel (2) by means of at least two further mounting elements (6).