A seat back frame 1 for automobile includes a first side frame 2 and a second side frame 3 that are arranged apart from each other in a vehicle width direction, an upper frame 4 that connects an upper end portion of the first side frame 2 and an upper end portion of the second side frame 3, and an upper bracket 6 that is attached to the upper end portion of the first side frame 2 and guides a seat belt. The first side frame 2 includes a columnar member 10 made of an aluminum alloy extruded material and having a closed cross-section portion 14 in a cross-section perpendicular to a vehicle vertical direction, and a plate-shaped reinforcing member 20 made of high-tension steel, joined to the columnar member 10, and extending to a vehicle rear side of the columnar member 10.
SEAT BACK FRAME FOR AUTOMOBILE
SITZLEHNENRAHMEN FÜR EIN AUTOMOBIL
ARMATURE DE DOSSIER DE SIÈGE POUR AUTOMOBILE
2023-03-29
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |