VEHICLE SEAT

PURPOSE: To prevent breaking of the connection of a seat or of a backrest due to large working forces by constructing a fixed-point connection and a sliding connection from a connecting bolt between one connecting metal fitting and a lower seat part or backrest. CONSTITUTION: A vehicle seat includes a lower seat part 1 and a backrest 2, which are connected together by use of a joint mounting bracket 3. The joint mounting bracket 3 is provided with two connecting metal fittings 4, 5, the connecting metal fitting 4 being related to the lower seat part, the connecting metal fitting 5 related to the backrest 2. The connecting metal fitting 4 is connected to the frame 8 of the lower seat part 1 via two fixed-point connections 6, 7. The connecting metal fitting 5 includes a slot type designated deforming part 18 and forms a fixed-point connection 20 and a sliding connection 21, together with the frame 19 of the backrest 2. The sliding connection 21 includes a connecting bolt 26 and a cast threaded sleeve 28, and a slot 29 is provided in the connecting metal fitting 5 in place of a simple hole adjusted to the diameter of the connecting bolt 26.