Lateral wall for a drawer
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Solution Overview
Problem
Existing drawer sidewall designs require accurate assembly and generate significant frictional resistance when coupling and decoupling the extension rail of a drawer pull-out guide, making the process cumbersome and inefficient.
Innovation Solution
The introduction of a pivotable or bendable coupling lever and/or a coupling element that can be releasably coupled to the extension rail, reducing the forces required for coupling and decoupling and facilitating easier operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a connecting device is used to couple the drawer sidewall to the extension rail, then the drawer can be fixed to the pull-out guide, but the coupling and decoupling require considerable frictional resistance and great assembly accuracy
Solution Approach 1:
The patent applies the dynamics principle by introducing a spring-loaded tilting lever that can dynamically change its position between locked and unlocked states. The lever is pre-loaded by a spring force and can be tilted against this force to engage or disengage the coupling, transforming a static rigid connection into a dynamic controllable one that reduces frictional resistance during operation
Solution Approach 2:
The tilting lever acts as an intermediary element between the drawer sidewall and the extension rail. Instead of directly coupling the two main components, the lever mediates the connection, allowing controlled engagement and disengagement while reducing the direct frictional contact between the drawer sidewall and extension rail
2Manufacturing precision
If the connecting device is designed with high precision for accurate coupling, then reliable connection is achieved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The connecting device is segmented into distinct functional components: a mounting portion for attachment to the drawer sidewall, a tilting lever for engagement control, and a locking portion for securing to the extension rail. This segmentation allows each component to be manufactured and assembled separately with reduced precision requirements, simplifying the overall device structure
Solution Approach 2:
The spring-loaded tilting lever provides self-service by automatically returning to its locked position after being tilted for engagement. The spring force automatically resets the lever without requiring additional mechanisms or precise manual adjustment, reducing the need for high assembly precision and simplifying the device
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 a more compact, simpler, and cost-effective design that significantly reduces the forces needed for coupling and decoupling, making the operation more user-friendly and efficient.
Implementation Method 1
at least one pivotable or bendable coupling lever configured to be releasably coupled to the extension rail of the drawer pull-out guide
Data Source
AI summary
A drawer sidewall for a drawer includes a hollow profile and a connecting device for releasably connecting a front panel to the drawer sidewall. The connecting device is at least partially arranged within the hollow profile, and includes at least one coupling device for releasably coupling the drawer sidewall to an extension rail of a drawer pull-out guide. The at least one coupling device includes at least one pivotable or bendable coupling lever configured to be releasably coupled to the extension rail of the drawer pull-out guide, and/or includes at least one coupling element configured to be releasably coupled to a coupling lever for releasably coupling to the extension rail of the drawer pull-out guide.