Drawer comprising a base panel, a screen, a rear wall and two lateral walls which are rigidly interconnected
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Solution Overview
Problem
Existing drawer designs that do not extend side walls to the upper edge of the facing and back wall require complex and expensive fittings for orientation, which complicates the adjustment and alignment of the facing.
Innovation Solution
The use of side wall profile segments with insertable and adjustable connection elements, including a rotatable connection peg and threaded bolt, allows for simpler orientation of the facing and back wall by enabling adjustable connection without the need for expensive fittings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If expensive and complicated fittings are used to connect the facing to the side walls, then the facing can be oriented and adjusted, but the device complexity and manufacturing cost increase
Solution Approach 1:
The connection system is divided into separate functional elements: side wall profile segments with connection elements, and corresponding receiving elements on the facing. This segmentation allows independent adjustment and simplifies the overall connection mechanism, replacing complex integrated fittings with modular components that are easier to manipulate and install.
Solution Approach 2:
The connection elements are designed to be adjustable rather than fixed, allowing the facing to be oriented at different angles and positions. The connection elements can be moved along the side wall profile segments and locked into position, providing dynamic adjustment capability that simplifies the orientation process compared to rigid fixed fittings.
2Ease of operation
If expensive and complicated fittings are used to connect the facing to the side walls, then the facing can be oriented, but the manufacturing cost increases
Solution Approach 1:
By segmenting the connection system into standardizable components (side wall profile segments, connection elements with housings, detent receptacles), each part can be manufactured independently using conventional processes. This reduces tooling costs and allows for easier procurement compared to custom-machined complex fittings, thereby lowering overall manufacturing cost while maintaining adjustment capability.
Solution Approach 2:
The connection elements are designed as relatively simple, potentially replaceable components rather than permanent integrated fittings. This approach allows for lower-cost materials and manufacturing methods, and if needed, individual connection elements can be replaced without replacing the entire facing assembly, reducing long-term maintenance costs.
3Device complexity
If side walls do not extend to the upper edge of the facing and back wall, then the drawer structure is simplified, but the facing connection becomes more difficult
Solution Approach 1:
The connection problem is solved by moving from a vertical connection approach (requiring side walls to reach the top) to a horizontal connection approach. Side wall profile segments extend horizontally from the side walls to meet the facing at an intermediate height, creating a new connection dimension that simplifies both the drawer structure and the facing connection process.
Solution Approach 2:
Side wall profile segments act as intermediary elements between the side walls and the facing. These profile segments provide connection points at a convenient height and position, mediating the connection between the drawer frame and the facing without requiring the side walls to extend to the top edge, thus simplifying both structure and assembly.
Data Source
AI summary
A drawer having a bottom panel, a facing, a back wall, and two side walls that are firmly connected to one another. The side walls extend below a top edge of the facing and the back wall. The facing and the back wall are connected to one another in the vicinity of their upper edges by side wall profile segments that on their ends receive connection elements with housings that are attachable to the facing and the back wall. The connection element associated with the back wall is extractable to a limited extent in a sheath in the vicinity of the housing and can be screwed, adjacent to the sheath, into a threaded bore. The end of the connection element being embodied as a threaded bolt, so that the side wall profile segment is thus adjustable toward the facing or toward the back wall. The facing that is connected to the side wall profile segment through the connection element is also adjustable.