Motor vehicle seat adapted to receive a safety belt

(57) Summary book invention receives a safety belt, About the sheet for cars which has a seating portion (10) and a backrest portion (20) in the each side of a joint connection zone, Have the above-mentioned portion (10, 20), respectively, and the frame which equipped the joint connection zone with two arms (12, 13; 22, 23) which this 接 two arms (12, 13; 22, 23), The side component (12, 13) of a seating portion and the perpendicular component (22, 23) of a backrest portion are formed, respectively, On the other hand, inside it is the above-mentioned portion the end of two arms (22, 23) of (20), and the end of two arms (12, 13) of the portion (10) of another side, respectively, Rotate through a pivot (24, 25) within a bearing (14, 15), and a pivot (24, 25), It is supported by one portion (20), a bearing (14, 15) is supported by the portion (10) of another side, and the energy absorption means (40) is established between at least one pivot (25) and the bearing (15) which has the correspondence relation.