Seat frame of a motor vehicle seat with two side parts and a transverse tube
AssigneeC. Rob. Hammerstein GmbH & Co. KG
InventorsSascha Eckhoff, Joerg Woelfel, Juergen Kill
Life of this patent
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Abstract
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.
Claims10
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.
Dependencies are inferred from the claim text.