Dual-Screw Coupling Assembly for Variable Table Thickness Mounting
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Solution Overview
Problem
Existing mounting devices for tablet-type ordering devices in restaurants are inconvenient due to the need for separate purchases tailored to varying table thicknesses, lacking a universal solution for securing these devices across different table top thicknesses.
Innovation Solution
A coupling assembly with a dual-screw engagement structure that adjusts its width according to the thickness of a table, using a sliding body with protrusions and grooves, and height adjustment screws to securely mount a bracket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If mounting devices are purchased separately for each table thickness, then the mounting device can be precisely fitted to the specific table, but the convenience and ease of operation deteriorates due to the need for separate purchases and installations
Solution Approach 1:
The coupling assembly is designed with a dual-screw structure that can universally accommodate multiple table thicknesses (5cm, 6cm, 7cm, 8cm, 9cm, 10cm) through adjustable screw mechanisms, eliminating the need for different mounting devices for each table thickness while maintaining precise mounting capability
2Ease of manufacture
If a fixed-width coupling assembly is used, then the structure is simple and easy to manufacture, but the adaptability deteriorates when tables of different thicknesses are encountered
Solution Approach 1:
The coupling assembly incorporates adjustable screw mechanisms that allow the width to be dynamically changed according to different table thicknesses. The first and second screws can be adjusted to expand or contract the coupling assembly width, enabling it to adapt to tables with varying thicknesses while maintaining a relatively simple overall structure
3Adaptability or versatility
If the coupling assembly width is made adjustable, then the adaptability to different table thicknesses is improved, but the device complexity increases due to additional adjustment mechanisms
Solution Approach 1:
The coupling assembly utilizes screw mechanism parameter changes to adjust its width. By rotating the first and second screws, the coupling assembly can change its effective width parameter to match different table thicknesses. This approach provides adaptability through simple parameter adjustment rather than complex structural changes, maintaining relatively low device complexity
Data Source
AI summary
An embodiment relates to a coupling assembly having a dual-screw structure. The coupling assembly includes: a sliding body formed in a planar shape in a longitudinal direction; an upper support coupled to the sliding body; and a lower support coupled to the sliding body. The sliding body has a plurality of projections formed on an inner surface thereof. The upper support is brought into close contact with and fixed to an upper surface of an object to which the coupling assembly is mounted, and includes an upper horizontal support formed in a plate shape in a horizontal direction, and an upper vertical support formed in a plate shape in a direction vertically downward from the upper horizontal support such that a part of the upper support overlaps and is coupled with the sliding body.