SEAT FRAME OF A MOTOR VEHICLE SEAT WITH TWO SIDE PARTS AND A TRANSVERSE TUBE

摘要

The seat frame has a left and a right link, a left and a right side part and a transverse tube which connects the two side parts. The links are connected to the transverse tube for conjoint rotation. The transverse tube has a main tube located between the side parts, a left end piece assigned to the left side part and a right end piece assigned to the right side part. The main tube is connected to the two end pieces in respective overlapping regions. The main tube is manufactured from a material, preferably from steel, which has an at least 20% higher tensile strength than the material of the end pieces.

主权项

1. A seat frame of a motor vehicle seat comprising:
a left and a right rocker; a left and a right side part, each of which has a bearing; and a cross tube connecting the two side parts and having a left hearing region and a right bearing region, the left hearing region being supported in the left bearing and the right bearing region in the right bearing, and both rockers being non-rotatably connected to the cross tube, wherein the cross tube is composed of a main tube located between the side parts, a left end portion associated with the left side part and a right end portion associated with the right side part, the main tube is connected to the left end portion in a left overlapping region, the main tube is connected to the right end portion in a right overlapping region, and that the main tube is manufactured from a material which has a tensile strength that is greater by at least 20% than the material of the end portions.