Corner bead for receiving walls of a body shell and collapsible body shell that can be assembled and taken apart

Abstract

A corner bead for receiving walls of a body shell, having an outer outgrowth, is provided with a rim for hooking a tensile element thereon, and possibly a projection is provided with a transverse retaining area suitable for being inserted into a groove parallel to one edge of a wall of the body shell. Such a corner bead and a tensile element make it possible, at the same time, to assemble a body shell and ensure the transport and storage thereof when same is taken apart.

1 - 17 . (canceled) 
     
     
         18 . A polygonal body shell having several of sides and comprising:
 lateral walls each having, near at least one upper or lower edge of each side, an extreme portion which comprises a batten and an adjacent riser arranged substantially perpendicularly to said batten,
 a plurality of pairs of corner beads comprising, in each corner of the body shell, an upper corner bead and a lower corner bead, each having spaces oriented according to two directions, each space being delimited by at least one exterior lateral partition and one interior lateral partition, and receiving, along each of two exterior lateral partitions, respectively the risers and the adjacent battens; and tensile elements, each of which brings closer together the corner beads of each pair, for pulling the corner beads towards one another. 
   
     
     
         19 . The polygonal body shell of  claim 18 , wherein each said corner bead further has an outer outgrowth provided with a rim which is hooked to one of said tensile elements to make possible the bringing closer together of two of said corner beads. 
     
     
         20 . The polygonal body shell according to  claim 18 , wherein each corner bead further comprises a projection provided with a transverse retaining area, said projection being adapted to engage in a groove parallel to an edge of one of said lateral walls of the body shell and be retained therein via abutment of said transverse retaining area. 
     
     
         21 . The polygonal body shell according to  claim 20 , wherein the transverse retaining area of one of the projections has an asymmetrical shape. 
     
     
         22 . The polygonal body shell according to  claim 20 , wherein at least one of the projections of each corner bead has a hooking area. 
     
     
         23 . The polygonal body shell according to  claim 20 , wherein each space oriented has a transverse reinforcement at least one of the interior and exterior lateral partitions able to cooperate with an orthogonal groove at an edge of the lateral wall facing it, and able to be passed through in order to provide for the relative positioning of said lateral wall facing it and of the corner bead. 
     
     
         24 . The polygonal body shell according to  claim 18 , wherein the tensile elements comprises at least one elastic element. 
     
     
         25 . The polygonal body shell, according to  claim 18 , which is assembled and can be taken apart, further comprising a pallet, forming a bottom wall with the body shell, and wherein the corner beads comprise a first, a second, a third and a fourth corner beads, wherein the first and second corner beads define lower corner beads fixed to the pallet on two adjacent corners of the pallet, the third and the fourth corner beads define upper corner beads, the lateral wall facing it being assembled with the two lower corner beads and the two upper corner beads, and the tensile element connecting together the first, the second, the third and the fourth corner beads. 
     
     
         26 . The polygonal body shell, according to  claim 18 , wherein at least one of the lateral walls has at least one groove orthogonal to the edge of said lateral wall and which can be passed through. 
     
     
         27 . The polygonal body shell, according to  claim 18 , which is assembled and can be taken apart, further comprising a pallet, forming a bottom wall with the body shell, and wherein the corner beads comprise a first, a second, a third and a fourth corner beads, the first and second corner beads defining lower corner beads fixed to the pallet, the third and the fourth corner beads defining upper corner beads, at least one of said lateral walls intended to form the body shell once mounted being placed laying down on the pallet, and one of the tensile elements connecting together the first and second corner beads. 
     
     
         28 . The polygonal body shell, according to  claim 27 , wherein the two lower corner beads fixed to the pallet are fixed on two diagonally-opposite corners of the pallet.