Modular Trolley with Adjustable Axle for Seated-Standing Transitions

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Solution Overview

Problem

Existing workstations for home office environments lack flexibility, ergonomics, and aesthetic appeal, with limited customization for seated and standing work, inadequate power management, and cluttered cable solutions, making them unsuitable for modern remote workspaces.

Innovation Solution

A modular transforming trolley with a vertically adjustable axle mechanism, integrated power management, customizable storage, and ergonomic features such as tilt-able surfaces, wireless charging, and cable management, designed for seamless transitions between seated and standing positions, and easy reconfiguration to fit various home office setups.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a workstation is designed for industrial or medical use with heavy-duty features, then durability and stability are improved, but adaptability to home office environments and aesthetic appeal deteriorate

Engineering Contradiction:
ImprovedurabilityVSAvoidadaptability to home office
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The workstation is divided into modular components including adjustable shelves, removable drawers, and separable storage units that can be configured in different arrangements. This segmentation allows the same durable industrial-grade components to be adapted for home office aesthetics and functionality through reconfiguration.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The workstation design incorporates universal features such as adjustable height columns, multiple configuration options, and standardized mounting systems that enable the same unit to serve both industrial durability requirements and home office aesthetic needs. The pneumatic height adjustment system provides multi-functionality for different user heights and work styles.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If a workstation provides extensive ergonomic adjustments and customization options, then user comfort is improved, but device complexity increases

Engineering Contradiction:
Improveergonomic comfortVSAvoidadjustment mechanisms
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Complex manual adjustment mechanisms are replaced with pneumatic height adjustment systems that use gas springs to provide smooth, controlled height changes with minimal user effort. This substitution reduces the mechanical complexity while maintaining extensive ergonomic adjustment capabilities across multiple shelves and components.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The workstation incorporates dynamically adjustable elements including height-adjustable shelves, tilt-adjustable surfaces, and movable storage components that can be easily repositioned during use. These dynamic features provide ongoing ergonomic adaptation without requiring complex fixed adjustment mechanisms.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If a workstation includes integrated power management and wireless charging features, then functionality is improved, but device complexity and cost increase

Engineering Contradiction:
Improvefunctional integrationVSAvoidpower management system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Multiple power management functions including wireless charging pads, USB ports, power outlets, and cable management systems are merged into integrated power modules embedded within the workstation surfaces. This consolidation provides extensive functionality while reducing overall system complexity through unified power distribution architecture.

Inventive Principle:
Principle #5Merging (Combining)

4Manufacturing precision

If a workstation is designed with fixed industrial specifications, then manufacturing precision is improved, but adaptability to different work configurations deteriorates

Engineering Contradiction:
Improveindustrial specificationsVSAvoidconfiguration flexibility
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The workstation is constructed from standardized modular components with precise manufacturing specifications that can be assembled in multiple configurations. Each module maintains industrial-grade precision while the overall system achieves adaptability through combinatorial arrangement of these precise components.

Inventive Principle:
Principle #1Segmentation

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 trolley provides ergonomic comfort, reduces clutter, enhances usability, and supports efficient workspace organization, promoting productivity and user well-being by accommodating diverse tasks and spatial constraints with a sleek, minimalistic design.

Implementation Method 1

The transforming modular trolley includes a base, a modular top assembly, and a gas spring mechanism providing vertical support

Methodology Applied
Scientific EffectGas spring: Spring

Implementation Method 2

The base is equipped with non-marring casters for smooth mobility on various floor surfaces

Methodology Applied
Scientific EffectRolling: Roller

Data Source

PatentUS12396552B1Modular transforming trolley with adjustable axle mechanism for office use
Publication Date: 2025.08.26 LORCH KIM DAVID
  • US12396552B1 patent drawing
  • US12396552B1 patent drawing
  • US12396552B1 patent drawing

AI summary

The present invention relates to a transforming modular trolley and an adjustable axle device for office use, designed to enhance workspace flexibility and ergonomic comfort. The trolley features a modular top assembly with multiple surfaces, including a tilt-able primary work surface, dedicated surfaces for devices and personal items, and integrated storage options. It includes a vertically adjustable axle mechanism for height adjustments, an integrated power management system, and retractable anti-tip stabilizers. The adjustable axle device, available in both gas-spring and electric lift configurations, enables smooth height adjustments and secure locking at user-selected positions, with rotational coupling for customizable orientation. The trolley and axle device are intended for seamless integration into various office environments, offering enhanced usability, stability, and organization. This innovative design addresses the limitations of traditional workstations by providing a compact, mobile solution that supports seated and standing work positions while maintaining a clutter-free workspace.