Adjustable lift system

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Solution Overview

Problem

Existing lift systems for electronic displays and workstations in shared spaces lack flexibility and adjustability, making them inefficient for multiple users with varying needs.

Innovation Solution

A lift mechanism with a counterbalance mechanism that adjusts to accommodate a wide range of weights and includes a sliding mechanism for vertical positioning, allowing for flexible height adjustment and load balancing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed lift system is used for electronic displays and workstations, then the structure is simple and stable, but it lacks flexibility and cannot accommodate multiple users with varying needs

Engineering Contradiction:
ImproveflexibilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by making the lift system adjustable rather than fixed. The lift mechanism includes components that can be repositioned and reconfigured to accommodate different users and equipment weights, transforming a static system into a dynamic one that adapts to varying requirements while maintaining operational simplicity through standardized adjustment mechanisms

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If an adjustable lift mechanism is implemented to accommodate varying weights, then adaptability improves, but device complexity increases

Engineering Contradiction:
ImproveadjustabilityVSAvoidmechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements parameter changes by allowing the lift mechanism to adjust its mechanical properties (such as spring tension, arm position, and counterbalance configuration) to match different load weights. This enables the system to optimize its performance for each specific user and equipment combination without requiring a completely different mechanism for each scenario

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If a counterbalance mechanism is added to assist with lifting, then ease of operation improves, but device complexity increases

Engineering Contradiction:
Improveease of liftingVSAvoidmechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent directly applies the counterweight principle by incorporating a counterbalance mechanism that uses springs and levers to offset the weight of the display and workstation. This mechanical counterbalance system reduces the effort required by users to lift and reposition equipment, making the system easier to operate while integrating the counterbalance components into the existing lift structure to minimize overall complexity

Inventive Principle:
Principle #8Anti-weight (Counterweight)

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

Enables efficient and adjustable lifting and lowering of loads, accommodating varying weights and user needs, enhancing usability in shared workspaces.

Implementation Method 1

The counterbalance mechanism can generate a lift force to counter a combined weight of the load coupled to the movable portion and the weight of the movable portion

Methodology Applied
Scientific EffectCounterbalance mechanism: Gravitation

Data Source

PatentUS20250302190A1Adjustable lift system
Publication Date: 2025.10.02 ERGOTRON INC
  • US20250302190A1 patent drawing
  • US20250302190A1 patent drawing
  • US20250302190A1 patent drawing

AI summary

A lift system is designed for raising and lowering a load. The lift system can include a movable portion in sliding engagement with a fixed portion. The lift system can be configured to translate the load coupled to the movable portion relative to the fixed portion. The lift system can also include a counterbalance mechanism having an arm rotatably coupled to the fixed portion, and one or more springs coupled to the arm and the fixed portion. The arm can be operably coupled to the movable portion through a cord. As the movable portion translates, the arm can rotate to deflect the one or more springs to provide a lift force to offset the weight of the load.