Front panel for a drawer

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Solution Overview

Problem

Existing front panel designs for drawers are difficult to assemble and disassemble, especially when the frame is already locked to the drawer side wall, making it inconvenient to replace or remove the decorative panel.

Innovation Solution

A separate holding device is used on the decorative panel that can be releasably connected to the frame via a snap connection, allowing the panel to be easily inserted and locked into place, even when the frame is already locked to the drawer side wall, and can be arranged in a visually inconspicuous manner on the rear side.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the frame is locked to the drawer side wall using locking parts, then the front panel is securely fixed, but the decorative panel cannot be easily removed or replaced

Engineering Contradiction:

Improvesecure fixation of front panelVSAvoidease of decorative panel removal

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The front panel is divided into two separable components: the frame (which remains locked to the drawer) and the decorative panel (which can be independently removed). The holding device acts as a temporary connector between these components, allowing the decorative panel to be attached or detached without affecting the frame's locked connection to the drawer side wall.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The holding device serves as an intermediary element between the decorative panel and the frame. It provides a reversible connection mechanism that allows the decorative panel to be securely held when attached, yet easily removed when needed, without interfering with the permanent locking of the frame to the drawer.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If the decorative panel is directly locked to the frame, then the assembly is secure, but the assembly process becomes complex and requires tools

Engineering Contradiction:

Improvesecure connection of decorative panelVSAvoidsimplicity of assembly process

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The holding device replaces complex mechanical fastening systems (screws, clips, or locking mechanisms) with a simple snap connection. This elastic deformation-based connection achieves secure fixation through material elasticity rather than mechanical interlocking, eliminating the need for tools while maintaining reliable connection.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The snap connection utilizes elastic deformation (temporary change in material parameters) to achieve connection. The holding device elastically deforms during insertion, then springs back to lock the decorative panel to the frame, providing secure connection through parameter change rather than permanent mechanical fastening.

Inventive Principle:

Principle #35Parameter changes

3Device complexity

If the holding device is integrated into the decorative panel, then the structure is simplified, but the holding device becomes visible on the front side

Engineering Contradiction:

Improvestructural simplicityVSAvoidvisual appearance

Core Design Contradiction:

Device complexityVSObject-affected harmful factors

Solution Approach 1:

The holding device is extracted from the decorative panel and instead integrated into the frame structure. This extraction allows the holding device to function effectively while being positioned on the rear side, eliminating its visual impact on the front appearance of the decorative panel.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of integrating the holding device into the visible decorative panel (front-to-back approach), the solution inverts the arrangement by integrating it into the frame (back-to-front approach). This inversion positions the holding device on the rear side where it is functionally effective but visually hidden.

Inventive Principle:

Principle #13The other way round (Inversion)

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

This solution enables convenient assembly, disassembly, and replacement of the decorative panel without requiring tools, ensuring problem-free installation and maintenance of the front panel, even on fully assembled drawers.

Implementation Method 1

the holding device can be positively connected to the frame by elastic bending or deformation and subsequent springing back of at least one locking element

Methodology Applied

Scientific EffectElastic bending or deformation: Elasticity

Data Source

PatentEP3957211B1Front panel for a drawer

Publication Date: 2024.06.12 JULIUS BLUM GMBH

Figure 1
Figure 2a~2b
Figure 3a~3d

AI summary

Front panel (7) for a drawer (4), wherein the front panel (7) is formed by at least one decorative panel (10) and a frame (5) for receiving the decorative panel (10), wherein the decorative panel (10) is received at least partially within the frame (5) in an assembled state, and wherein the frame (5) has at least one locking element (14a, 14b) for releasably locking the front panel (7) to a drawer side wall (9), wherein at least one retaining device (16a, 16b) for receiving the at least one end area of the decorative panel (10), separate from the decorative panel (10) and the frame (5), is arranged at at least one end area of the decorative panel (10), wherein the separate retaining device (16a, 16b) is releasably connectable to the frame (5).