Patents by Inventor Giorgio Marchigiano

Giorgio Marchigiano 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 derailleur for bicycle gears
    Patent number: 4842568
    Abstract: A rear derailleur for bicycle gears, which is adapted to derail the bicycle chain on a series of sprockets of increasing diameter carried by the rear hub of the bicycle, comprises a support body for mounting on the bicycle frame and a rocker arm carrying idler wheels for the chain. The rocker arm is mounted on the support body for sliding movement along an axis parallel to the axis of the rear hub of the bicycle and is pivotable about that axis relative to the support body. An auxiliary member fixed to the bicycle frame supports the body for pivoting about an axis parallel to the axis of the hub.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: June 27, 1989
    Assignee: Marelmo S.n.c.
    Inventor: Giorgio Marchigiano