CPC B62D 25/025 (2013.01) [B62D 21/157 (2013.01); B62D 27/023 (2013.01)] | 17 Claims |
1. A side sill assembly of a vehicle with reinforced stiffness, the side sill assembly comprising:
a side sill inner, a side sill outer, and a reinforcement unit provided between the side sill inner and the side sill outer,
wherein the reinforcement unit includes:
an upper member provided in a longitudinal direction of the vehicle;
a lower member provided in the longitudinal direction of the vehicle, and located to be spaced from the upper member under the upper member; and
an intermediate member having an upper surface bonded to a bottom portion of the upper member and a lower surface bonded to an upper surface of the lower member alternately formed thereon, and
wherein the lower member is formed so that a width of the lower member in a width direction of the vehicle is narrower than a width of the intermediate member.
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