Patent ID: 9381945
Filing Date: 2016-07-05
CPC Classification: B62D,Y10T

Claim Text:
1. A structure for coupling side structures and roof rails of a vehicle having a roof and a body with a front end and a rear end, the roof rails each having two opposing ends, the structure comprising: a floor which forms a bottom of the body of the vehicle, the floor having two opposing side surfaces extending from the front of the body to the rear of the body; side inner panels coupled to the side surfaces of the floor and extending from the side surfaces of the floor toward the roof of the vehicle in an upward direction; and roof rails coupled to upper portions of the side inner panels in a width direction of a vehicle, wherein the ends of the roof rails are coupled to and overlap outer surfaces of the upper portions of the side inner panels, respectively, wherein each of the side inner panels includes: a side inner arm having a central portion formed in an alternatingly concave-convex shape protruding in a longitudinal direction; a joint part which is formed in a cross shape so as to be coupled to an upper portion of the side inner arm, and has a lower surface coupled to an upper end of the side inner arm and formed in the alternatingly concave-convex shape protruding to have a shape identical to a cross section of the side inner arm, and an upper surface coupled to one of the ends of the roof rails and formed in the alternatingly concave-convex shape protruding to have a shape identical to the cross sections of the roof rails; and a side inner reinforcement part coupled to and overlapping outer surfaces of the side inner arm and the joint part and formed in the alternatingly concave-convex shape protruding to have a shape identical to cross sections of the side inner arm and the joint part.