Patent ID: 7204561
Filing Date: 2007-04-17
Classification: B60B

Abstract:
1. A cap capable of being attached to a center hole of a wheel; the center hole of the wheel including a first wheel annular surface which is an axially extending inner surface, the first wheel annular surface including a first wheel annular groove which opens radially inwardly; said cap being a roughly disk shape and comprising: a first cap annular surface which is an axially extending outer surface, said first cap annular surface including a first cap annular groove that is adapted for opposing the first wheel groove, the first cap annular groove being of a semicircular cross sectional shape that opens radially outwardly; opposing second and third cap annular surfaces respectively defining radially extending inner and outer surfaces; said second cap annular surface including a second cap annular groove which opens axially outwardly; an axially extending central hole in a central portion of said cap, said central hole extending through said second and third cap annular surface; and said cap being without a hook axially extending from said cap for connecting said cap to the wheel.