Drawer side wall
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Solution Overview
Problem
Existing side frame locking devices for drawers require additional tools for actuation and are not suitable for tall drawers or various panel heights, and they often necessitate multiple locking device variants for different frame sizes.
Innovation Solution
The side frame incorporates mirror-symmetric locking devices on both sides, allowing for independent actuation by a single hand without tools, and a handle for simultaneous operation, enabling tool-free disassembly of the front panel without moving the side frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single locking device is used for standard drawers, then the device is simple and cost-effective, but it cannot accommodate tall drawers or various panel heights
Solution Approach 1:
The locking device is designed with a universal base section that can accommodate different drawer heights through adjustable mounting positions. The base section includes a mounting plate with multiple mounting holes arranged in different patterns, allowing the same locking device to be configured for standard, tall, and various panel heights by selecting appropriate mounting positions, eliminating the need for multiple locking device variants.
Solution Approach 2:
The locking device incorporates adjustable and reconfigurable components, particularly the mounting plate with selectable mounting holes, allowing dynamic adaptation to different installation requirements. This adjustability enables the locking device to transform from a fixed configuration to a flexible one that can be optimized for each specific drawer height and panel type.
2Reliability
If a locking device requires additional tools for actuation, then the locking mechanism can be secure, but the operation becomes inconvenient and time-consuming
Solution Approach 1:
The locking device is equipped with a release lever that can be actuated directly by hand without requiring any additional tools. The lever mechanism is designed to engage and disengage the locking elements through manual operation, allowing users to quickly secure or release the front panel by simply moving the lever, thus achieving both security and ease of operation.
3Ease of operation
If a manually operable release lever is provided in free space, then the lever can be operated easily, but the lever may interfere with other components or require excessive space
Solution Approach 1:
The release lever is integrated into the structure of the locking device itself, with the lever arm positioned within the confines of the base section and locking elements. This nested arrangement allows the lever to be manually operated while occupying minimal space and avoiding interference with other drawer components, as the lever moves within the existing structural envelope rather than requiring external free space.
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 allows for easy and cost-effective mounting of high front panels on drawers, eliminating the need for multiple locking device variants and enabling tool-free disassembly, enhancing usability and efficiency.
Implementation Method 1
a movably articulated, spring-loaded locking lever (17), which can be moved on a base plate (18) from a release position into a locking position
Implementation Method 2
The release lever (22) has a link (28), by means of which the locking lever (17) can be moved from the locking position into the release position
Data Source
Figure 1
Figure 2a
Figure 2b
AI summary
The invention relates to a side wall (1a, 1b) for a drawer (5), comprising a first stopping device (9a) for detachably securing a panel-shaped furniture section, particularly a front panel (6), to said side wall (1a, 1b), the front panel (6) comprising a support device (8) which engages detachably with said stopping device (9a), characterised in that the side wall (1a, 1b) comprises a second stopping device (9b) which is arranged and/or designed to be mirror-symmetrical to the first stopping device (9a).