Coated center disk wheel for a motor vehicle
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United States of America Patent
Stats
-
Feb 14, 2006
Grant Date -
Dec 25, 2003
app pub date -
Apr 23, 2003
filing date -
Apr 24, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coated center disk wheel produced from sheet metal for a motor vehicle, which has a wheel-center disk (1) provided with a plurality of connecting eyes (3) which are distributed over a hole circle (2) and have in each case a through-hole (4). Around the hole is a countersink (7) against which rests, in the mounted state of the center disk wheel, the head (9) of a wheel bolt (6) projecting through the respective through-hole (4). Fastened to the wheel hub, at least a part (10) of the surface of each countersink (7) is structured by elevations (11) and indentations (12) located side by side. In the mounted state of the center disk wheel, the wheel bolt heads (9) are in contact only with the elevations (11) on those surfaces (13) which are substantially free of paint (14) with which the remaining surface of the center disk wheel is coated. The paint is removed from the contact surfaces (13) of the elevations (11) on tightening the wheel bolts (6). Loosening of the wheel bolts (6) or wheel nuts during driving is reliably prevented. The wheel bolts or wheel nuts are suitable in the same design also for the mounting of cast aluminum wheels.
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