Patent ID: 7018000
Filing Date: 2006-03-28
Classification: B60B

Abstract:
1. Wheel disc formed from a single piece of embossed sheet metal and comprising: a radially outer circular mounting part adapted to be connected to a rim; a radially inner part spaced radially inwardly from the outer part for fixing and centering to a wheel hub, the inner part including: generally radially extending spokes interconnecting the inner part with a radially inner edge of the outer part, the spokes being circumferentially spaced apart to define perforations between adjacent spokes, each spoke being generally radially aligned with a respective yoke, and extending generally radially outwardly from adjacent a radially outer end of such yoke to a location at least as far as the radially inner edge of the outer part, each spoke including lateral portions spaced circumferentially apart by an axially outwardly swelling, wherein an axial dimension of the swelling recedes from its radial inner end to its radial outer end.