Drawer Bottom Overlay With Screw-Guided Recessed Tab Fixing
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Solution Overview
Problem
Existing drawer base fastening methods require significant force and specialized tools to press tabs into the drawer bottom, making installation difficult and potentially hazardous.
Innovation Solution
A support system with a contact web featuring a recessed tab and guide device, allowing the tab to be moved laterally via a screw, which presses against the drawer bottom without penetrating the material, using a commercially available screw and screwdriver, and optionally featuring a stop for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If tabs are pressed into the drawer bottom material to achieve fixation, then reliable fixation is achieved, but significant force and specialized tools are required
Solution Approach 1:
The tabs are pre-positioned in a recessed state within the contact web, prepared for action but not yet engaged. The recess holds the tabs in a compact, safe configuration during handling and transport, while the guide device is pre-configured to direct tab movement along the intended path during assembly
Solution Approach 2:
The tabs transition from a static recessed position to a dynamic engaged position against the drawer bottom. The guide device enables this dynamic movement, allowing tabs to be pressed against the drawer bottom with controlled force rather than requiring extreme pressing force, transforming the assembly process from a high-force static operation to a controlled dynamic insertion
2Reliability
If tabs are pressed into the drawer bottom material, then fixation is achieved, but specialized tools and significant force are required
Solution Approach 1:
The guide device acts as an intermediary mechanism between the tab and the drawer bottom. Instead of directly pressing the tab into the material with high force, the guide device mediates the interaction by providing a controlled path and mechanical advantage, enabling tab engagement using only a commercially available screw and screwdriver
Solution Approach 2:
The invention replaces the complex specialized pressing tool system with a simple screw-based mechanism. The guide device translates the rotational motion and moderate linear force of screwing in a standard screw into the controlled lateral movement and pressing action needed to engage the tab against the drawer bottom material
3Object-affected harmful factors
If tabs are arranged flush in the recess, then handling safety is improved, but the tabs must emerge during assembly to fix the furniture part
Solution Approach 1:
The tab assembly is segmented into two functional states: a safe recessed state for handling and transport where tabs are hidden, and an active engaged state during assembly where tabs emerge to provide fixation. The guide device enables this segmentation by providing a controlled path for tab emergence only when needed
Solution Approach 2:
The tabs dynamically transition from a hidden recessed position to a visible engaged position against the drawer bottom. The guide device controls this dynamic emergence, ensuring tabs only become prominent when the screw is being driven in, thus eliminating the hazard of permanently protruding tabs while maintaining assembly functionality
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
Facilitates easy and secure assembly of drawer bases without protruding lobes, reducing handling difficulties and injury risks, and eliminates the need for specialized tools, ensuring reliable fixation and improved installation efficiency.
Implementation Method 1
the tab and/or the edge of the recess has or have a guide device, whereby the - preferably by screwing in a screw - opens laterally flap moved towards the edge of the recess exits the recess via the guide device
Implementation Method 2
the guide device provided allows the at least one tab to be pressed against the panel-shaped furniture part with additional pressure
Implementation Method 3
The stop can be arranged as a nose on a drawer frame, which protrudes towards the center of the drawer in the installed position
Data Source
Figure 1
Figure 2
Figure 3a~3c
AI summary
The invention relates to an overlay (12) for a plate-shaped furniture part, in particular a drawer bottom (8), wherein the overlay (12) has a contact web (13), which has at least one tab (14) that can be bent toward the furniture part, wherein the at least one tab (14) lies in a cut-out (25) of the contact web (13) in an initial position and the tab (14) and/or the edge of the cut-out (25) has/have a guiding device (18), wherein the tab (14), which has been moved laterally to the edge of the cut-out (25), preferably by screwing in a screw (15), exits the cut-out (25) toward the furniture part by means of the guiding device (18) in a retaining position.