Drawer Face Plate Alignment with Multi-Directional Fastener Adjustment
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Solution Overview
Problem
Existing methods for aligning drawer face panels with adjacent cabinetry are costly and time-consuming, often requiring tight tolerances and trial-and-error adjustments to achieve proper alignment in terms of tilt, skew, height, pitch, and lateral positioning, leading to aesthetic issues and dust entry.
Innovation Solution
A face plate alignment mounting system that includes adjustable fasteners and lateral adjustment means, such as T-nut fasteners and support brackets, allowing for easy adjustment in multiple directions to ensure flush contact between the drawer face plate and adjacent panels, reducing the need for precise tolerancing and minimizing installation time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If tight tolerancing is used for cabinet, drawer, drawer slide, and attachment hardware, then favorable alignment of drawer face panel is achieved, but manufacturing cost increases
Solution Approach 1:
The patent employs adjustable fasteners that allow dynamic modification of the drawer face panel position after assembly. The fasteners can be adjusted to change the distance between the face plate and drawer front panel, enabling alignment compensation without requiring tight manufacturing tolerances on all components.
Solution Approach 2:
The invention changes the adjustable parameter from fixed manufacturing tolerances to post-assembly adjustable fastener positions. By allowing the distance between the face plate and drawer front panel to be modified after assembly, the system achieves precise alignment while using more relaxed manufacturing tolerances, reducing overall manufacturing cost.
2Adaptability or versatility
If adjustment schemes with multiple components are used, then drawer face position can be adjusted, but device complexity increases
Solution Approach 1:
The adjustable fastener serves multiple functions: it secures the lateral adjustment means to the drawer body, allows position adjustment of the drawer face panel, and provides a means for both roll and skew adjustments when used in combination with other fasteners. This multi-functionality reduces the need for separate adjustment mechanisms.
Solution Approach 2:
The adjustment system is segmented into independent adjustable fasteners positioned at each corner of the drawer front panel. Each fastener can be adjusted independently, allowing localized corrections for roll and skew without affecting other parts of the drawer assembly, simplifying the overall adjustment process.
3Manufacturing precision
If trial and error adjustment method is used, then drawer face alignment can be achieved, but installation time increases
Solution Approach 1:
The adjustable fasteners are designed to be pre-installed on the drawer body before the drawer face panel is attached. This preliminary setup establishes reference positions and allows for systematic adjustment rather than trial-and-error, reducing installation time by providing a structured adjustment process.
Solution Approach 2:
The system incorporates visual feedback mechanisms where the adjustable fasteners can be seen and accessed from the rear surface of the drawer front panel, allowing installers to monitor adjustment progress in real-time and make precise corrections without repeated trial-and-error cycles.
Data Source
AI summary
A system for adjustably mounting the face plate of a drawer so that when the drawer is closed, the drawer face plate is flush with the adjacent drawer face plate and in a desired height, pitch, roll, lateral and skew position with respect to the front surface of the enclosure. The drawer face panel can be easily adjusted in an inward and outward direction, or a rearward and frontward direction, to compensate for differing degrees of tilt and skew of the drawer face panel with adjacent drawer face panels. A face plate alignment mounting system is provided and includes a lateral adjustment mechanism that engages a face plate and a drawer front panel, a first nut fastener, and an adjustable fastener. The first nut fastener preferably includes a head portion that is affixed to a drawer body and a shaft slidably engaged with a first bore of the drawer body. The first nut fastener shaft defines an opening with internal threads. The adjustable fastener has external threads engaged with the internal threads of the first nut fastener shaft opening. The adjustable fastener includes a first mechanism for adjusting the adjustable fastener in a frontward direction and a rearward direction to suitably adjust the distance between the face plate and said drawer front panel, which is preferably accessible at the rear surface of the drawer front panel.