Patents by Inventor Hans Bech

Hans Bech 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).

  • Adjustable roller dynamo with torsion spring
    Patent number: 4839548
    Abstract: An external-rotor dynamo for the rear wheel of a bicycle is pivotable about an axis parallel to its axis of rotation. The rotor is pressed toward the wheel rim by a helicoidal torsion spring secured along the axis of rotation in separate bearings. One of these bearings is angularly adjustable via a quick-acting but releasable ratchet.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: June 13, 1989
    Assignee: Union Sils, Van de Loo & Co.
    Inventor: Hans Bech