Seat attachment for fastening motor vehicle seat has oblong seat cross beams that are arranged as roll profile and are provided on end side of flange, with which beams are connected at tunnel or at door sill

摘要

The seat attachment has oblong seat cross beams (8,9) that are arranged as roll profile. The seat cross beam has specific predetermined yield strength. The seat cross beam has continuous holes. The seat cross beams are provided on end side of a flange (12), with which the beams are connected at a tunnel (2) or at a door sill. Independent claims are also included for the following: (1) an under body with a seat cross beam (2) a motor vehicle with an under body.