Chain Slider Insert Assembly for Tool-Free Cable Size Adjustment

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Solution Overview

Problem

Current chain sliders are fixed in size with no adjustability, requiring multiple sizes to be carried and installed with tools, posing challenges in installation and safety, especially from heights above a stage.

Innovation Solution

A chain slider with an interchangeable insert system allowing adjustability via removable inserts of varying thicknesses, connecting without tools, using a slide lock system and dovetail joint for assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If fixed-size chain sliders are used, then manufacturing and inventory are simplified, but adaptability to different cable diameters is reduced

Engineering Contradiction:
Improveadaptability to different cable diametersVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The chain slider is divided into modular components: a body assembly and interchangeable inserts. The inserts can be removed and replaced to change the inner diameter, allowing the same body to adapt to different cable sizes without requiring multiple complete slider units.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A single body assembly can accommodate multiple cable diameters by using different inserts. This makes one slider body universal for multiple applications, eliminating the need to carry and install multiple fixed-size sliders for different cable sizes.

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

2Ease of operation

If tool-based installation methods are used, then connection strength is improved, but installation time and hazard exposure increase

Engineering Contradiction:
Improveease of installationVSAvoidinstallation time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The slide lock system allows the inserts to be installed and secured without external tools. The user can manually slide the inserts into place and lock them, making the installation process self-service and eliminating the need for tool handling during installation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The installation process extracts the need for tools by using a tool-free slide lock mechanism. The inserts are designed to be manually inserted and locked directly into the body assembly without requiring screws, wrenches, or other external tools.

Inventive Principle:
Principle #2Taking out (Extraction)

3Adaptability or versatility

If adjustable inserts are implemented, then adaptability to different applications is improved, but device complexity increases

Engineering Contradiction:
Improveadjustability of inner diameterVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adjustment capability is segmented into separate interchangeable inserts rather than being integrated into the main body. This allows the complex adjustment function to be isolated in removable components, keeping the main body simple while providing adaptability through the insert variations.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3710725B1Chain slider
Publication Date: 2025.07.23 MOUNTAIN PRODUCTIONS INC
  • EP3710725B1 patent drawingFigure 1
  • EP3710725B1 patent drawingFigure 2
  • EP3710725B1 patent drawingFigure 3~4

AI summary

A chain slider is designed as a cable management device, and includes an interchangeable insert system to adapt different size chain, cable wire rope, synthetic rope or line used in hoisting devices. The chain slider may be manufactured of plastic and injection molded to shape.