Drawer Front Bezel Fastening with Top-Access Vertical Adjustment
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Solution Overview
Problem
Existing drawer front panel adjustment devices require reaching into the drawer to adjust bolts, which is awkward and often obstructed, making it difficult to turn the screwdriver unhindered.
Innovation Solution
The bolts are mounted vertically and accessible from above, allowing adjustment without reaching into the drawer, with a coverable opening for tool engagement and rotatable but immovable mounting on the frame's cross member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bolts are mounted transversely to the frame for adjustment, then the drawer front panel can be adjusted in height and side, but the adjustment requires reaching into the drawer from the side which is awkward and often obstructed
Solution Approach 1:
The patent inverts the conventional transverse mounting arrangement of adjustment bolts by mounting them vertically instead. This inversion allows the adjustment mechanism to be accessible from above rather than from the side, eliminating the need to reach into the drawer and resolve the operational difficulty while maintaining the adjustment functionality.
Solution Approach 2:
The patent changes the dimensional orientation of the adjustment mechanism from a horizontal/transverse arrangement to a vertical arrangement. By guiding the bolts vertically through the device body rather than transversely, the adjustment operation moves to a different spatial dimension (from side access to top access), resolving the obstruction problem.
2Ease of operation
If the bolts are mounted vertically and accessible from above, then adjustment can be made without reaching into the drawer, but the mounting structure becomes more complex
Solution Approach 1:
The device body serves multiple functions: it guides the adjustment bolts vertically, provides structural support, and incorporates threaded holes and slots for bolt mounting. By making the device body multi-functional, the patent avoids adding separate complex mounting structures while achieving the vertical bolt arrangement.
Solution Approach 2:
The patent merges the bolt guiding function and the mounting structure into a single integrated device body. The threaded holes and slots are directly formed in the device body, combining the support, guidance, and mounting functions into one component, thereby reducing overall structural complexity.
3Ease of operation
If a coverable opening is provided for accessing the bolts, then tool engagement is enabled from above, but the frame structure becomes more complex
Solution Approach 1:
The patent segments the frame structure by introducing a localized opening and cover assembly that is separate from the main frame body. This segmentation allows the opening to be added only where needed for tool access, rather than redesigning the entire frame structure, thereby minimizing the increase in overall complexity.
Solution Approach 2:
The cover for the opening is designed as a simple, removable component that can be easily manufactured and installed. This simple cover provides the necessary protection and aesthetic finish without requiring a complex permanent structural solution, resolving the contradiction between accessibility and structural simplicity.
Data Source
Figure 1~2
AI summary
The device (5) has a thread (11), a threaded bolt (7) and an eccentric bolt (8) guided perpendicularly to a drawer base. The threaded bolt (7) is gripped by a threaded hole (12), and the eccentric bolt (8) is gripped by a slotted hole (16) and supported on a lower surface (17) of a frame. The two bolts are rotably supported and are not adjustable at a bending (4) of the frame. An opening in the frame is covered and accessed from top opposite to the bolts.