Patents by Inventor Gerhard Wehmeyer

Gerhard Wehmeyer 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).

  • Rear hub shell for bicycles and method of manufacturing same
    Patent number: 4595242
    Abstract: A hub shell is made in one piece out of plastic and a metal ring is positly connected externally to at least one of its hub heads in such a way that it can neither rotate nor be displaced axially. The metal ring has longitudinal grooves and a continuous annular groove and can easily be provided with fine threading on the outside for attaching a chain wheel. The ring is heated to plasticize the material of the hub head inserted in it until the material can be forced and vibrated into the grooves.
    Type: Grant
    Filed: August 23, 1984
    Date of Patent: June 17, 1986
    Assignee: Weco Wehmeyer & Co. Fahrzeug-Fahrzeugteile-Werke GmbH & Co.
    Inventor: Gerhard Wehmeyer