Patent ID: 8979206
Filing Date: 2015-03-17
Classification: B60N

Abstract:
1. A seat back frame of a vehicle seat, the vehicle seat having a seat back main body configured to support a back of an occupant and an extension portion extending from a side of the seat back main body, the seat back frame comprising: a main body frame mounted on a base, the main body frame defining the seat back main body; an extension frame that defines the extension portion; and a connection member for connecting the extension frame to a side of the main body frame, the connection member including: a rear support portion contacting the main body frame and the extension frame from a rear side of the vehicle seat in order to couple the main body frame to the extension frame; and a front support portion contacting the main body frame and the extension frame from a front side of the vehicle seat in order to couple the main body frame to the extension frame, wherein the extension frame has a connection portion connected to the main body at one lateral side, an extending portion extending laterally from the connection portion in a cantilever manner, and a free lateral side opposite to the one lateral side.