Slide rail assembly
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Solution Overview
Problem
Existing slide rail systems for servers lack a reliable mechanism to maintain the movable member in a predetermined position, leading to potential displacement and failure to secure the bracket to the rack, especially under external impacts.
Innovation Solution
A slide rail assembly with a retaining member that restricts the movement of the movable member from a closed to an open position when the second rail is retracted relative to the first rail, using a connecting means to ensure the retaining member can face and prevent lateral displacement of the movable member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a movable member with a retaining portion is used to prevent the bracket from falling off the rack, then the bracket can be secured to the rack, but the movable member may displace from the predetermined position under external impacts
Solution Approach 1:
A retaining member is introduced as an intermediary component between the movable member and the second rail. This retaining member includes a retaining portion that engages with the movable member to prevent its displacement from the closed position to the opened position under external impacts, while allowing controlled movement during normal operation
Solution Approach 2:
The retaining member is designed to be movable along the second rail, allowing it to dynamically adjust its position. When the second rail is retracted, the retaining member can move to restrict the movable member; when the second rail is extended, the retaining member allows the movable member to move freely
2Adaptability or versatility
If the second rail is made longitudinally displaceable relative to the first rail to allow chassis movement, then the slide rail assembly provides flexible mounting, but the movable member may unintentionally open without restriction
Solution Approach 1:
The retaining member is designed with movable characteristics, allowing it to slide along the second rail. This dynamic design enables the retaining member to automatically engage with the movable member when the second rail is retracted, providing position control, while allowing free movement when the second rail is extended for chassis mounting operations
Data Source
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AI summary
A slide rail assembly (12) includes first and second rails (38, 40), a retaining member (42), and a bracket (16). The second rail (40) is movable to a retracted position relative to the first rail (38). The retaining member (42) is connected to the second rail (40). The bracket (16) includes a side plate (24) connected to the first rail (38), an end plate (26) bent from the side plate (24), and a movable member (30) movably connected to the side plate (24). The movable member (30) has at least one retaining portion (34) corresponding to the end plate (26). When the second rail (40) is in the retracted position, at least a portion of the retaining member (42) faces the movable member (30) so that the second rail (40) can, via the retaining member (42), restrict displacement of the movable member (30) relative to the retaining member (42).