Height adjustable desktop work surface
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Solution Overview
Problem
Conventional desks are not easily convertible to height-adjustable sit-to-stand desks without requiring substantial modification, which can render them unsuitable for their original use.
Innovation Solution
A height-adjustable desktop system with a foot assembly and linkage assembly that allows vertical adjustment of the work surface, using clamping members for stability and a glide support mechanism to maintain a horizontal orientation, enabling conversion of fixed-height desks to sit-to-stand configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed or height adjustable computer mount with clamping apparatus is used to provide standing use of a desk, then the monitor and keyboard can be positioned at appropriate heights for standing use, but the existing desktop must be modified by drilling holes or removing edge sections, requiring substantial investment and rendering the desktop unsuitable for its original intended use
Solution Approach 1:
The invention divides the height adjustment function into separate components: a foot assembly that attaches to the desk leg and a linkage assembly that connects to the desktop. This segmentation allows the height adjustment mechanism to be added without modifying the desktop surface itself, preserving the original desktop while enabling sit-to-stand functionality.
Solution Approach 2:
The foot assembly acts as an intermediary component between the desk leg and the linkage assembly. It provides a mounting point for the height adjustment mechanism without requiring modification of the desktop, thereby mediating between the need for height adjustability and the preservation of the original desktop structure.
2Reliability
If clamping apparatus such as edge clamps or grommet mounts are used to secure the height adjustable work surface to the desk, then the work surface can be mounted, but the desktop may have to be modified by drilling holes or removing edge sections
Solution Approach 1:
The mounting system is segmented into a foot assembly that attaches to the desk leg and a linkage assembly that supports the desktop. This separation allows stable mounting through the leg attachment without requiring modifications to the desktop surface, maintaining both reliability and preserving the original desktop.
Solution Approach 2:
Instead of mounting the height adjustment mechanism directly to the desktop surface (two-dimensional mounting), the invention moves the primary attachment point to the vertical dimension by securing the foot assembly to the desk leg. This dimensional shift eliminates the need for desktop modifications while maintaining mounting stability.
3Object-affected harmful factors
If the work surface is made height adjustable to enable standing use and prevent back strain, then user health benefits are improved, but the device complexity increases with foot assembly and linkage assembly components
Solution Approach 1:
The invention introduces dynamic height adjustability to a previously static desk system. The linkage assembly with movable linkages allows the work surface height to be adjusted between seated and standing positions, transforming the desk from a fixed to a dynamic structure that adapts to user needs and promotes health benefits.
Solution Approach 2:
The height adjustment mechanism serves multiple functions: it enables both seated and standing work positions, provides health benefits by preventing back strain, and maintains compatibility with existing desk structures. This multi-functionality justifies the added complexity by delivering comprehensive ergonomic and health benefits.
Data Source
AI summary
In one example, a height adjustable desktop system is described that can include a work surface, a foot assembly and a linkage assembly that adjustably connects the work surface to the foot assembly allowing vertical adjustment of the work surface. The linkage assembly can include a pair of adjustment assemblies, each having a transverse linkage that maintains the work surface in a horizontal orientation as the work surface is elevated or lowered. A biasing mechanism, such as an extension spring or a torsion spring, biases the work surface toward the elevated position.