CPC B62D 25/025 (2013.01) [B60J 5/0437 (2013.01); B62D 21/157 (2013.01)] | 18 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 having a first upper surface and a first lower surface located lower than the first upper surface, wherein the first upper surface and the first lower surface are alternately disposed in a longitudinal direction of the vehicle;
a lower member having a second upper surface and a second lower surface located lower than the second upper surface, wherein the second upper surface and the second lower surface are alternately disposed in the longitudinal direction of the vehicle; and
an intermediate member bonded to the upper member and the lower member, respectively, between the upper member and the lower member.
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