Patent ID: 6517165
Filing Date: 2003-02-11
Classification: B60B,Y02T

Abstract:
A structure of a motor vehicle wheel made of an aluminum alloy, comprising:a rim; a disc attached to said rim, said disc having bolt holes formed therein and being formed from a single stamped plate, said disc including a hub mounting part formed around each of said bolt holes, said hub mounting part being formed by projections extending away from said bolt holes for engaging with a front surface of a hub of an axle, each of said projections being formed having a surface in the shape of a crescent for engaging with the front surface of the hub; said wheel is attachable to the hub by engaging said bolt holes in the disc with bolts provided on the hub and screwing nuts onto the bolts, or by matching the bolt holes on the disc with internal threads provided on the hub, inserting headed bolts into the bolt holes and screwing the headed bolts into the internal threads; and nut seats or bolt head seats having work hardened layers are provided around the bolt holes.