B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
B60B7/06—Fastening arrangements therefor
B60B7/14—Fastening arrangements therefor comprising screw-threaded means
Dispositif permettant de monter sur une tige lisse ou filetée un organe élastique susceptible de se bloquer sur cette tige en vertu de sa propre élasticité.