Patent ID: 8136878

Claim:
A vehicle seat comprising: a seat frame comprising: side frames separated from each other at least in a right-and-left direction and extending in an up-and-down direction; a lower frame connected to the side frames; and a seating frame connected to the lower frame; wherein the side frames are disposed to be rotatable relative to the seating frame; the vehicle seat further comprising: a connecting structure formed at a position remote from a rotate center of the side frames at end sides thereof, wherein the connecting structure comprises: an elongated hole formed in the applicable side frame and extending in an up-and-down direction; a convex portion formed on the lower frame; an energy absorbing plate; and a guide member for guiding the energy absorbing plate, wherein the convex portion and the elongated hole are configured to be relatively movable, while plastically deforming the energy absorbing plate which is supported, in an abutting manner, by a seating frame side of the convex portion and which is disposed, in a clamped manner, between the convex portion and the guide member.