Slide rail arrangement for vehicle seat, comprising two locks (26) of slide rails, actuated by a crossmember (9), pivotably mounted with respect to the two slide rails by bearings (14). The bearings each have a recess (16) and the ends (18) of the crossmember each contain a tooth (19), allowing an engagement of the crossmember in the bearing parallel to the pivot axis. The tooth (19) retains the end of the traverse in the bearing.
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