Patent ID: 7665768
Filing Date: 2010-02-23
Classification: B62D

Abstract:
1. A road trailer intended to be towed by a motor vehicle and comprising at least one cross axle ( 2 ) connected to two wheels ( 3 ) by two side suspension arms 19 , a tongue ( 4 ) to hitch it to the vehicle, a body ( 6 ) mounted on the axle and the tongue and having a rectangular frame ( 7 ) supporting a floor ( 8 ) and sidewalls ( 10 ), said frame having two parallel side members ( 11 a , 11 b ), a front cross bar ( 12 ) and a rear cross bar ( 13 ), characterized by the fact that the side members ( 11 a , 11 b ) and cross bars ( 12 , 13 ) are made from metal profiles ( 14 ) and are joined at their adjacent ends by means of corner pieces ( 30 ) having two perpendicular arms ( 31 a , 31 b ) which respectively fit into said adjacent ends and which also have through orifice ( 35 ) perpendicular to the plane of said arms, said side members ( 11 a , 11 b ) and said cross bars ( 12 , 13 ) comprising on their inner face a fin ( 20 ) which extends inwardly towards the inside of the frame ( 7 ) and which is intended to support the floor ( 8 ), and on their lower and upper faces a groove ( 15 a , 15 b ) leading into a channel ( 16 a , 16 b ) and able to receive and immobilize in rotation bolt heads ( 17 ) and the lower edges of the sidewalls, and by the fact that it also comprises four tubular corner posts ( 9 ) whose lower ends fit into the orifices ( 35 ) of the corner pieces ( 30 ), said posts ( 9 ) having two vertical grooves ( 51 a , 51 b ), in orthogonal planes, intended to receive the side edges of sidewalls ( 10 ), and wherein said posts ( 9 ) are made from a profile ( 50 ) having two orthogonal grooves ( 51 a , 51 b ) and are equipped at their lower end with an assembly piece ( 40 ) for assembling onto a corner piece ( 30 ), the assembly piece ( 40 ) having a lower part ( 40 a ) which fits into the orifice ( 35 ) of a corner piece ( 30 ) and an upper part ( 40 b ) which fits into the lower end of a profile ( 50 ) of a post ( 9 ), and wherein the assembly piece ( 40 ) comprises angle positioning means ( 41 , 47 ) and clipping means ( 43 a , 43 b , 48 a , 48 b ) which respectively cooperate with conjugate angle positioning means ( 42 , 55 ) and clipping means ( 57 a , 57 b ) provided on the corner pieces ( 30 ) and the lower ends of the post profiles ( 9 ).