Detachable Slide Rail Bracket With Elastic Two-Way Locking

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Solution Overview

Problem

Existing slide rail assemblies require two people for mounting and are limited in rack depth compatibility, lacking convenience and versatility.

Innovation Solution

A slide rail assembly with a detachable bracket device that can be mounted and detached by a single person, featuring an elastic member that blocks displacement in opposite directions and allows for bracket replacement to accommodate different rack depths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a blocking structure is provided to prevent displacement in both directions, then safety and reliability are improved, but device complexity increases

Engineering Contradiction:
ImprovesafetyVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by utilizing the elastic deformation characteristics of the elastic member. The elastic member changes its physical state between deformed and restored positions, enabling it to provide blocking forces in both directions without requiring complex mechanical structures. This resolves the contradiction by achieving enhanced reliability through material property utilization rather than structural complexity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The elastic member provides self-service by automatically generating blocking forces in both directions through its elastic restoration. When displaced in either direction, the elastic member naturally exerts a restoring force that prevents further displacement, eliminating the need for separate blocking mechanisms for each direction and reducing overall device complexity while maintaining safety

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If the rail is configured for extensible/retractable displacement, then adaptability to different rack depths is improved, but mounting strength decreases

Engineering Contradiction:
Improverack depth compatibilityVSAvoidmounting strength
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The patent applies dynamics by making the bracket device displaceable relative to the rail member along the rail's longitudinal direction. This dynamic configuration allows the bracket to adjust its position to accommodate different rack depths while maintaining secure mounting through the elastic blocking mechanism, thus resolving the contradiction between adaptability and mounting strength

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies segmentation by separating the bracket device from the rail member, allowing independent movement and adjustment. The bracket can be displaced to different positions on the rail, enabling adaptation to various rack depths while the elastic member provides secure blocking at each position, maintaining mounting strength across different configurations

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If a blocking mechanism is provided to prevent displacement in both directions, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improvesingle-person installationVSAvoidstructure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The elastic member provides self-service by automatically generating blocking forces in both directions through its elastic restoration. When displaced in either direction, the elastic member naturally exerts a restoring force that prevents further displacement, eliminating the need for separate blocking mechanisms for each direction and reducing overall device complexity while maintaining safety

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent applies parameter changes by utilizing the elastic deformation characteristics of the elastic member. The elastic member changes its physical state between deformed and restored positions, enabling it to provide blocking forces in both directions without requiring complex mechanical structures. This resolves the contradiction by achieving enhanced reliability through material property utilization rather than structural complexity

Inventive Principle:
Principle #35Parameter changes

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 single-person installation and adaptation to various rack depths through a detachable bracket system with an elastic blocking mechanism, enhancing convenience and versatility.

Implementation Method 1

One of the first structure and the second structure is an elastic member; When the first structure and the second structure are blocked by each other, and the external force applied to effect relative displacement between the first bracket device and the rail member is less than the force generated by the elastic member

Methodology Applied
Scientific EffectElastic force: Elasticity

Data Source

PatentEP4164347B1Slide rail assembly
Publication Date: 2025.08.20 KING SLIDE WORKS CO LTD
  • EP4164347B1 patent drawingFigure 1
  • EP4164347B1 patent drawingFigure 2
  • EP4164347B1 patent drawingFigure 3

AI summary

A slide rail assembly (22) includes a rail member (24) ad a bracket device (26). The bracket device (26) can be displaced with respect to the rail member (24) and is provided with a first structure (40). The rail member (24) is provided with a second structure (42). When the bracket device (26) is at a predetermined position (P2) with respect to the rail member (24), the first structure (40) and the second structure (42) are blocked by each other to prevent the bracket device (26) from being displaced with respect to the rail member (24) in either of a first direction (D1) and a second direction (D2).