Sliding member for motor vehicle seat adjuster has seat support laser welded to flat upper wall of inverted U-section slider

摘要

The seat adjuster, comprising a rail and a slider made from sheet metal with an inverted U-shaped cross-section and a flat upper wall (15), has the core (13) of the seat support made with at least one part (19) that is fixed to the upper wall by a slot weld using a YAG or CO2 laser beam applied from the underside of the wall. The weld zone (32) is made with at least one continuous portion running from one side of the support core to the other in a loop, wavy line or straight or oblique lines.