US Patent 11352064 Side sill structure for vehicle

A side sill structure for a vehicle includes: a side sill which is connected to an edge of a center floor and has a first cavity and a second cavity which are divided by a partition; a reinforcing member which is received in the first cavity of the side sill and is deformable by an impact load; and a component which is accommodated in the second cavity of the side sill. In particular, the second cavity is located above the first cavity.