Height adjustable table and components of same
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Solution Overview
Problem
Current height-adjustable tables often require complex and costly mechanisms, leading to increased manufacturing costs and assembly complexity, making them inaccessible to certain market segments.
Innovation Solution
A telescopic column assembly with a spindle assembly that includes a spindle rod and guide, allowing for length adjustment through rotation, coupled with a motor assembly and foot platform, minimizing assembly time and materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple or complex mechanisms are used for height adjustment, then the height-adjustable table functions properly, but the manufacturing cost and assembly complexity increase
Solution Approach 1:
The support column is divided into an outer tube and an inner tube that telescopes within it, with the spindle assembly segmented into a spindle rod, spindle guide, and support panel. This segmentation allows each component to perform a specific function while simplifying the overall assembly process and reducing the need for complex mechanisms.
Solution Approach 2:
The inner tube is nested within the outer tube, and the spindle guide is nested within the central passage of the exterior column. This nesting arrangement reduces the overall number of parts required and simplifies the structure while maintaining the height-adjustable functionality through telescoping motion.
2Reliability
If complex mechanisms are used for height adjustment, then the table functions properly, but the manufacturing cost increases
Solution Approach 1:
The invention extracts the essential height-adjustment function from complex mechanisms and implements it through a simplified spindle and telescope assembly. By removing unnecessary components and retaining only the critical elements (spindle rod, spindle guide, telescoping tubes), the manufacturing cost is reduced while maintaining functionality.
Solution Approach 2:
The invention employs simple, easily manufactured components such as the spindle guide with its aperture and the telescoping tube structure, which can be produced cost-effectively through standard manufacturing processes, thereby reducing overall manufacturing costs.
3Reliability
If substantial assembly procedures are used, then the table is assembled properly, but the assembly time and complexity increase
Solution Approach 1:
The spindle guide is pre-formed with the spindle rod aperture, and the support panel is pre-attached to the interior column. These preliminary preparations allow for quick and straightforward assembly of the complete support column assembly, reducing assembly time while ensuring proper assembly quality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective and simplified mechanism for height adjustment, reducing assembly complexity and costs while maintaining functionality, making height-adjustable tables more accessible.
Implementation Method 1
a spindle guide formed to include a spindle rod aperture, the spindle rod threadably engaging with the spindle rod aperture to permit the spindle guide to move along the spindle rod by rotation of the spindle rod
Implementation Method 2
rotation of the spindle rod causes the distance between the first end of the exterior column and the first end of the interior column to increase, thereby causing the interior column to telescope out of the central passage of the exterior column
Data Source
AI summary
A height-adjustable table including a length-adjustable support, a motor assembly configured to drive adjustment of the length-adjustable support, a motor housing supporting the motor assembly. The length-adjustable support includes a telescopic column assembly comprising an exterior tube, an interior tube, and a spindle assembly. The spindle assembly includes spindle rod fixedly coupled to a first end of the exterior tube, the spindle rod being threadingly engaged with a spindle guide coupled to a first end of the interior tube, whereby rotation of the spindle rod causes the distance between the first ends to change in order to telescope the interior tube into or out of the exterior tube. Illustratively, force from rotation of the spindle rod is transferred through the spindle guide and into the first end of the interior tube. In illustrative embodiments, the spindle guide may extend through an aperture of a support plate coupled to the first end of the interior tube, thereby permitting transfer of force from the spindle rod to the interior tube.