Slide rail assembly and bracket device thereof

The fastening member is divided into distinct functional segments: a side part, a fastening part bent at an angle, and a blocking feature. This segmentation allows each part to perform its specific function independently - the fastening part provides locking while the blocking feature prevents detachment, resolving the contradiction between mounting stability and fastening member stability.

The blocking feature is designed to preemptively counteract the harmful effect of external forces that could cause detachment. By positioning the blocking feature to abut against the post before detachment can occur, the design prevents the problematic deflection and detachment of the fastening member under load.

The blocking feature is positioned and dimensioned to make preliminary contact with the post during the rotation process. This preliminary action guides the rotation and prevents excessive movement that would cause the blocking feature to hit the post with damaging force, while still achieving the locking function.

The geometric parameters of the blocking feature and its relationship to the post are carefully designed. The blocking feature's position, size, and orientation are optimized to ensure it contacts the post at the correct moment during rotation, providing stability without causing deformation or damage through improper contact parameters.