Patents by Inventor Wilhelm K. Beirlein

Wilhelm K. Beirlein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5503244
    Abstract: A motorcycle having a stub-axle steering for the front wheel (16) of the motorcycle, said front wheel (16) being suspended on the frame (2) of the motorcycle by at least one swinging arm (1) linked to a stub-axle bearer (21) journalling a stub-axle pin (3) rotatable about its longitudinal pin axis constituting the steering axis (12) about which the front wheel (16) can be pivoted, the stub-axle pin (3) being arranged in the front wheel hub (5) of the front wheel (16), the longitudinal pin axis being offset from the front wheel axis (14) towards the rear of the motorcycle and extending in the center plane of the front wheel (16) at such an angle (.alpha. alpha!) of the steering axis with respect to the ground (15) that a positive trail (n) results. The stub-axle pin (3) is longitudinally divided and the pin sections are screwed into the front wheel hub (5) and clamped to the stub-axle bearer (21) through taper roller bearings (24).
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: April 2, 1996
    Inventor: Wilhelm K. Beirlein