Patent ID: 9238428
Filing Date: 2016-01-19
CPC Classification: B60N

Claim Text:
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.