Three-Section Slide Rail Unlocking Mechanism to Prevent Pinching
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Solution Overview
Problem
Existing slide rail assemblies face issues with pinching risks when releasing the stop state, particularly due to the design requiring fixation of positioning members, which complicates the thin design and safe operation.
Innovation Solution
A three-section slide rail assembly with an unlocking mechanism featuring a sliding member that transitions between states to safely release and re-engage the catch pieces, allowing for safe displacement and folding of the rails without pinching, utilizing a second slot portion with a smaller width to accommodate an actuating member for controlled movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a positioning member is fixed on the outer rail and a stopper member is fixed on the inner rail to achieve positioning, then positioning accuracy is improved, but the risk of pinching increases and the thin design is compromised
Solution Approach 1:
The patent extracts the stopper member from the inner rail design and replaces it with a positioning groove formed directly on the inner rail surface. This eliminates the need for a separate stopper member that could cause pinching, while maintaining positioning accuracy through the groove structure that guides the outer rail's positioning member.
Solution Approach 2:
The positioning groove on the inner rail serves multiple functions: it provides positioning guidance for the outer rail, maintains the thin design profile, and eliminates the need for separate stopper components. The groove structure universally handles both positioning and safety requirements.
2Reliability
If a stopper member is fixed on the inner rail to provide positioning, then positioning function is improved, but the device complexity increases
Solution Approach 1:
The patent merges the positioning function into the inner rail structure itself by forming a positioning groove directly on the inner rail. This combines what were previously separate components (inner rail and stopper member) into a single integrated structure, reducing device complexity while maintaining positioning reliability.
Solution Approach 2:
The patent removes the separate stopper member component from the design, extracting its positioning function and integrating it directly into the inner rail through the positioning groove structure. This reduces the total number of components while preserving the positioning function.
Data Source
AI summary
The present invention provides a slide rail assembly with an easy-to-position and safe unlocking mechanism to avoid the risk of injury when operating the slide rail assembly of a server case.