Undermount Drawer Slide With Dual-Height Mounting for Level Alignment
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Solution Overview
Problem
Existing undermount drawer slides fail to maintain a level status when the cabinet is on an uneven floor, causing difficulty in closing the drawer tightly, and previous solutions, such as buffering techniques, are not cost-effective.
Innovation Solution
An undermount drawer slide design featuring a first rail with differently positioned installation sections and a second rail with a protrusion that compensates for the height difference, ensuring the drawer remains level and preventing sliding issues, along with optional additional features like a third rail and auxiliary sliding members for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional undermount drawer slide with a single-level bracket is used, then the structure is simple and cost-effective, but the drawer cannot maintain a level status when the cabinet is on an uneven floor, causing difficulty in closing the drawer tightly
Solution Approach 1:
The bracket is divided into two distinct sections: a first installation section with mounting holes at a first height, and a second installation section with mounting holes at a second height. This segmentation allows selective mounting at different heights to compensate for uneven floors, enabling the drawer to maintain a level status while keeping the overall structure relatively simple.
Solution Approach 2:
The invention introduces a vertical height dimension to the bracket structure by providing mounting holes at two different heights (first height and second height). This dimensional change allows the bracket to adapt to uneven floor conditions by selecting appropriate mounting heights, thereby maintaining drawer level status without requiring complex adjustment mechanisms.
2Reliability
If buffering techniques are applied to solve the uneven floor problem, then the drawer can maintain proper positioning, but the cost increases significantly
Solution Approach 1:
Instead of using expensive buffering techniques, the invention employs a simple bracket with two-level mounting sections that can be manufactured at low cost. The bracket itself serves as the positioning mechanism, eliminating the need for additional buffering components and significantly reducing manufacturing costs while maintaining reliable drawer positioning.
Solution Approach 2:
The bracket's dual-height mounting sections provide self-adjusting capability for uneven floors. By selecting appropriate mounting holes at different heights, the system automatically compensates for floor unevenness without requiring external buffering mechanisms or complex adjustment procedures, thereby reducing costs while maintaining positioning reliability.
3Adaptability or versatility
If multiple mounting holes at different heights are provided, then the drawer can be mounted level on uneven floors, but the bracket structure becomes more complex
Solution Approach 1:
The bracket with dual-height mounting sections serves multiple functions: it provides standard mounting capability through the first installation section, adapts to uneven floors through the second installation section, and maintains structural simplicity. This multi-functionality allows the same bracket design to handle both level and uneven floor conditions without requiring different bracket types.
Data Source
AI summary
An undermount drawer slide includes a first rail and a second rail slidable linearly with respect to the first rail. The first rail has a first wall perpendicular to a reference level, and includes a first and a second installation sections. The first installation section has a first vertical distance with respect to the reference level. The second installation section has a second vertical distance with respect to the reference level. The first vertical distance is different from the second vertical distance to form a height difference. The second rail includes a top wall and a protrusion protruding from the top wall. The protrusion has a height measured from the top wall which is substantially equal to the height difference. The protrusion is adapted to hold against a bottom of a drawer for keeping a front panel of the drawer in a level status with respect to a cabinet.