Rack Fitting Assembly with Tool-Free Locking for Narrow-Space Mounting

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Solution Overview

Problem

Existing rack systems face challenges in accommodating different market requirements due to limited adaptability and space constraints, particularly in mounting slide rail assemblies within narrower spaces.

Innovation Solution

A fitting assembly comprising first and second fitting devices, each with a main body part, engaging structure, locking member, mounting feature, and operating member, allowing for the mounting of slide rail assemblies within a narrower space than the initial width between rack sides, while providing tool-free mounting and detachment capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If slide rail assemblies are mounted within a narrower space using adapter mechanisms, then the adaptability to different market requirements is improved, but the device complexity increases due to additional mounting components

Engineering Contradiction:
Improveadaptability to different market requirementsVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The fitting device is designed with a universal structure that can be mounted on rack side frames of different widths. The engaging structure can connect to mounting features at various positions, allowing the same fitting device to adapt to different rack configurations and market requirements without requiring multiple specialized components.

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

Solution Approach 2:

The fitting device incorporates a nested structure where the engaging structure is integrated within the main body. The engaging structure with mounting features can be positioned at different locations along the fitting device, allowing compact integration while maintaining adaptability to different mounting scenarios.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If a locking mechanism is added to secure the fitting device to the rack, then the reliability of mounting is improved, but the ease of operation deteriorates due to additional locking steps

Engineering Contradiction:
Improvereliability of mountingVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The locking member is designed to automatically engage with the engaging structure when the fitting device is mounted on the rack. The spring-loaded mounting feature automatically locks into position, providing self-locking functionality that secures the device reliably without requiring manual locking operations, thus maintaining ease of operation while ensuring reliable mounting.

Inventive Principle:
Principle #25Self-service

3Ease of repair

If the fitting device is designed with a detachable mounting feature, then the ease of repair is improved, but the stability of the object's composition worsens due to potential disengagement

Engineering Contradiction:
Improveease of repairVSAvoidstability of mounting
Core Design Contradiction:
Ease of repairVSStability of the object's composition

Solution Approach 1:

The detachable mounting feature incorporates a self-locking mechanism where the spring-loaded mounting feature automatically engages and locks with the engaging structure on the rack. This self-locking action provides stable and reliable mounting that resists accidental disengagement, while still allowing intentional detachment when needed for repair or reconfiguration.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250160515A1Fitting assembly and fitting device thereof
Publication Date: 2025.05.22 KING SLIDE WORKS CO LTD
  • US20250160515A1 patent drawing
  • US20250160515A1 patent drawing
  • US20250160515A1 patent drawing

AI summary

A fitting device of a fitting assembly is configured to be mounted to a rack. The fitting device includes a first end part, a second end part and a main body part connected between the first end part and the second end part. The fitting device further includes a locking member and an operating member. The locking member is arranged on the main body part and configured to lock the fitting device to the rack. The operating member is configured to drive the locking member to move.