Slide rail assembly

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Solution Overview

Problem

Conventional slide rail assemblies have limited mounting tolerance, restricting the size of objects that can be carried due to fixed mounting positions, which do not accommodate objects with varying dimensions.

Innovation Solution

A slide rail assembly with a rail member and a mounting structure featuring blocking features that allow transverse movement within a limited range, enabling the rail member to adjust its position relative to the mounting structure, accommodating objects of different widths by positioning the rail member between predetermined blocking features.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the mounting position of the slide rail assembly is fixed, then the mounting structure is simple and stable, but the mounting tolerance is limited and cannot accommodate objects with varying dimensions

Engineering Contradiction:
Improvemounting toleranceVSAvoidmounting structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by enabling the rail member to move transversely relative to the mounting structure within a limited range. The blocking features (protrusions and recesses) allow the rail member to be positioned at different transverse locations, transforming the fixed mounting position into an adjustable one. This resolves the contradiction by providing adaptability for objects of different widths while maintaining a relatively simple mounting structure through guided movement constraints.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the slide rail assembly is designed for a specific width, then the structure is optimized for that dimension, but it cannot accommodate objects with different widths without changing the assembly's position or dimension

Engineering Contradiction:
Improvewidth accommodationVSAvoidadjustment requirement
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The blocking features enable the rail member to be adjusted to different transverse positions to accommodate objects of different widths. The guided movement mechanism allows operators to position the rail member at appropriate locations without requiring complete disassembly or redesign, thus improving width accommodation while limiting the complexity of adjustment operations.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the rail member is allowed to move freely, then the adaptability is maximized, but the stability and positioning precision are compromised

Engineering Contradiction:
Improvetransverse movement capabilityVSAvoidmounting stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The blocking features (protrusions and recesses) create a guided movement system that allows the rail member to move transversely within a limited range while maintaining stability. The interaction between blocking features provides discrete positioning points, ensuring the rail member remains securely positioned once adjusted, thus balancing adaptability with mounting stability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The blocking features act as intermediaries between the rail member and mounting structure, controlling the transverse movement. These features mediate the interaction by allowing movement within desired limits while preventing excessive displacement, thus maintaining both adaptability and stability through the intermediary blocking mechanism.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11805899B2Slide rail assembly
Publication Date: 2023.11.07 KING SLIDE WORKS CO LTD
  • US11805899B2 patent drawing
  • US11805899B2 patent drawing
  • US11805899B2 patent drawing

AI summary

A slide rail assembly includes a rail member and a mounting structure. The rail member has an installation feature arranged in a transverse direction relative to a longitudinal direction of the rail member. The mounting structure is mounted to the installation feature of the rail member. The rail member and the mounting structure are transversely movable relative to each other.