Patent ID: 6575539
Filing Date: 2003-06-10
Classification: A61G,B60B,B62K,Y10S,Y10T

Abstract:
A wheel and axle system, the system comprising:a. an axle having a rotational axis and an indentation at a wheel-coupling end for a wheel hub; b. a lug stud, extending from the wheel-coupling end of the axle, concentric with and parallel to the rotational axis of the axle, the lug stud not cylindrically symmetrical about the rotational axis of the axle; c. a wheel having a rotational axis through a center and a clearance hole to admit the lug stud, the clearance hole parallel to and concentric with the rotational axis of the wheel; d. a wheel hub, the wheel hub connected to the wheel and disposed within the indentation of the axle; and e. a fastener for attaching the wheel to the lug stud.