Telescopic Mobile Workstation Height Adjustment for Stable Lifting
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Solution Overview
Problem
Existing mobile workstations often lack sufficient vertical adjustment range and stability, leading to instability and potential disruption of contents when adjusting the height, failing to accommodate varying user preferences effectively.
Innovation Solution
A mobile workstation design featuring a telescopic adjustment shaft with pulley assemblies and a biasing element, allowing for a wide range of vertical adjustment (up to 26 inches) and smooth operation, with the option to lock at any height, ensuring stability and comfort for users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vertical adjustment is provided in mobile workstations, then user preference accommodation is improved, but adjustment range is insufficient and stability deteriorates
Solution Approach 1:
The adjustment shaft is divided into multiple segments (first segment, second segment, third segment) that can move relative to each other. This segmentation allows for a broader adjustment range while maintaining stability through controlled telescopic movement between segments, resolving the contradiction between adaptability and reliability.
Solution Approach 2:
The telescopic adjustment mechanism uses nested shaft segments where one segment moves within another. This nesting structure enables extended adjustment range (up to 26 inches) while the concentric arrangement maintains structural integrity and stability during height adjustment.
2Adaptability or versatility
If vertical adjustment mechanism is added, then height adaptability is improved, but device complexity increases
Solution Approach 1:
The adjustment mechanism uses a dynamic telescopic system with segments that can extend and retract smoothly. The pulley assemblies and biasing elements create a self-regulating dynamic system that provides broad adjustment range while managing complexity through controlled mechanical motion rather than multiple independent components.
Solution Approach 2:
The biasing element automatically returns the adjustment shaft segments to their initial positions after extension or retraction. This self-service feature reduces the need for additional control mechanisms, managing system complexity while maintaining full adjustment capability.
3Length of moving object
If telescopic adjustment is implemented, then adjustment range is improved, but operational smoothness and balance deteriorate
Solution Approach 1:
The biasing element acts as a counterweight mechanism that balances the telescopic shaft segments during extension and retraction. This counterbalancing ensures smooth operation across the full 26-inch adjustment range, preventing operational difficulties that would otherwise arise from the extended telescopic movement.
Solution Approach 2:
Pulley assemblies serve as intermediaries between the telescopic shaft segments, facilitating smooth relative movement. The pulleys guide and control the motion between segments, ensuring operational smoothness is maintained even as the adjustment range is extended to 26 inches.
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 stable and adjustable mobile workstation that can be tailored to individual user preferences, enhancing usability and reducing the risk of instability, accommodating a broader range of users with a significantly greater vertical adjustment range than conventional models.
Implementation Method 1
adjustment assembly (8) includes an upper pulley assembly (27) and a lower pulley assembly (49)
Implementation Method 2
a biasing element (31) disposed internal to the adjustment shaft (23) and configured to bias the top assembly (7) away from the bottom assembly (9)
Data Source
AI summary
A mobile workstation with adjustable height of the present disclosure may comprise a top assembly, an adjustment assembly, and a bottom assembly. Adjustment assembly may comprise telescopically engaged segments. One or more pulleys or pulley assemblies may be disposed within one or more of the segments to allow for withdrawing and retracting segments from one another at the same rate. Actuation of the raising or lowering of the overall height of the mobile workstation may be realized through either a manual actuation or an electronic element such as a linear actuator.