Back frame for vehicle seat

摘要

There is provided a back frame of a vehicle seat, which includes a frame body formed by extrusion molding and including a press-fitting portion into which a part attachment bracket is press-fitted for attaching a part to the frame body. The press-fitting portion of the frame body and an abutment surface of the bracket are formed with an engagement portion where one of the frame body and the bracket is brought into engagement with the other in a direction in which the part attachment bracket is press-fitted into the press-fitting portion.

主权项

1. A back frame of a vehicle seat, the back frame comprising:
a frame body including a press-fitting groove into which a projection of a part attachment bracket is press-fit for attaching a part to the frame body, wherein a lower part of the frame body has a rear branch frame and a front branch frame, both of which include the press-fitting groove, the projection of the part attachment bracket is press-fit into the press-fitting groove of the rear branch frame and the press-fitting groove of the front branch frame to be held between the rear branch frame and the front branch frame, and the press-fitting groove of the frame body and an abutment surface of the bracket define an engagement portion where the frame body and the bracket engage each other in a direction in which the projection is press-fit into the press-fitting groove.