Patent ID: 6807993
Filing Date: 2004-10-26
Classification: B60B,B60C

Abstract:
A wheel comprising:two rim seats having different diameters, inclined outwards and extended axially outwards by two humps of small height, said rim teats having an axial inner end and an axial outer end, wherein the axial inner end of the rim seat of smaller diameter is connected to a bearing surface by a truncated conical portion and wherein the axial inner end of the rim seat of larger diameter is connected to the said bearing surface by a rib of small height, whose axially interior wall has a generatrix forming with the rotation axis an angle &bgr; at most equal to 30Â° open radially and axially outwards, wherein said rib, which has an axially inside wall of axial width L6 at most equal to the axial width L12 of the said second seat, is provided circumferentially with at least two transverse grooves, each groove having a circumferential width smaller than 10 mm.