Modular Lift Coupling With Flexible Shaft Couplers for Fast Setup

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Solution Overview

Problem

Existing lift systems for concert staging are cumbersome and require complex assembly processes, often involving multiple linkages and misalignment issues, which complicate setup and transport.

Innovation Solution

A modular lift system with a truss structure and drive shaft couplers that allow for easy alignment and connection of lift segments using a shaft registration groove and lock, along with a flexible shaft coupler assembly, enabling quick setup and transport through a simple bolt connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If traditional lift systems use multiple linkages and complex connection mechanisms, then the structural stability and load-bearing capacity are improved, but the assembly complexity and setup time increase significantly

Engineering Contradiction:
Improvestructural stabilityVSAvoidassembly complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The lift system is divided into modular segments that can be independently assembled and connected. Each segment contains standardized connection interfaces that simplify the assembly process while maintaining structural integrity through the modular architecture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection mechanisms are designed with universal interfaces that can accommodate different segment configurations and load requirements. The standardized connectors serve multiple functions including alignment, securing, and structural connection, reducing the need for specialized assembly tools and procedures.

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

2Strength

If traditional lift systems use rigid connection mechanisms, then the structural strength is improved, but the ease of assembly and disassembly deteriorates

Engineering Contradiction:
Improveconnection strengthVSAvoidease of assembly
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The connection mechanisms incorporate dynamic elements that allow for easy assembly through simple rotational or insertion movements, while maintaining rigid structural strength when connected. The flexible shaft coupler assembly enables adaptive connection that accommodates minor misalignments during assembly while providing rigid support during operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Flexible shaft coupler assemblies serve as intermediary components between rigid shafts, providing a medium that accommodates misalignment during assembly while transmitting torque effectively. This intermediary element simplifies the connection process without compromising the overall structural strength.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If traditional lift systems use complex linkage mechanisms, then the lifting capability and precision are improved, but the transport and storage complexity increase

Engineering Contradiction:
Improvelifting capabilityVSAvoidtransport complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The lift system is segmented into transportable modules that can be easily moved and stored separately. Each segment can be independently handled during transport and then quickly assembled at the destination, reducing the complexity of transporting the entire system while maintaining the lifting capability through the modular architecture.

Inventive Principle:
Principle #1Segmentation

4Measurement precision

If traditional lift systems require precise alignment during assembly, then the operational precision is improved, but the assembly time and setup complexity increase

Engineering Contradiction:
Improvealignment precisionVSAvoidassembly time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The connection mechanisms incorporate alignment features and tolerance compensation elements that accommodate minor misalignments during assembly. The flexible shaft coupler assembly and standardized interfaces are designed to absorb alignment errors before they affect operational precision, allowing for quicker assembly without sacrificing the required precision during operation.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS12378100B2Modular lift system
Publication Date: 2025.08.05 AUTOMATION DEVICES INC
  • US12378100B2 patent drawing
  • US12378100B2 patent drawing
  • US12378100B2 patent drawing

AI summary

A modular lift system may include, but is not limited to: one or more lift segments each including: a lift-truss structure; and a drive shaft having at least one end-coupler, at least one lift assembly coupled to the lift-truss structure, and at least one drive segment including: a drive-truss structure; a drive motor coupled to the drive-truss structure; and a drive-coupler attached to the drive motor and configured to engage the end-coupler of the drive shaft.