Patent attributes
A back frame of a vehicle seat including: a pair of side frames; an upper frame; and a reinforcing member attached to at least one of the pair of side frames, wherein the at least one of the pair of side frames has a pair of side surface portions and a rear surface portion, wherein the reinforcing member has a pair of side wall portions and a rear wall portion, wherein the rear wall portion is thicker than the pair of side wall portions, and wherein in a state where the reinforcing member is put on the at least one of the pair of side frames, the pair of side wall portions is in contact with and connected to the pair of side surface portions, and the rear wall portion is in contact with and connected to the rear surface portion by bonding or adhesion.
