Provided is a seat frame 9 for a framework structure of a vehicle seat. The seat frame 9 is formed by performing necessary additional machining on a single frame body 12 formed by bending a single cylindrical member 54. All or a portion of the single cylindrical member 54 is formed in a closed cross-sectional shape by bending (1st, 2nd, 3rd) a single long flat member 51 in a direction that is at a right angle with respect to the lengthwise direction of the long flat member to thereby join together by welding Y1, Y2 the end edges that have come to face each other. At least a portion of the cross-sectional shape of the frame body 12 is rectangular. A low-weight and low-cost seat frame having high strength is provided.
SEAT FRAME, AND METHOD FOR MANUFACTURING SEAT FRAME
2019-05-23
Patent
Elektronische Ressource
Englisch
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |