Patents by Inventor Siegfried Loffler

Siegfried Loffler 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).

  • Gearshift device
    Patent number: 4402235
    Abstract: A gearshift device for shifting gears to control pistons including a gearshift lever attached to a rocking shaft operated directly by a piston in a cylinder. The rocking shaft and cylinder are transverse each other, and a recess in the piston accommodates the rocking shaft. Through an engaging tooth and recess arrangement swivel action of the shaft and shift lever is effected. Alternative engaging formations may be provided. The casing for the gearshift may be integral the gearbox casing or a separate compact unit.
    Type: Grant
    Filed: May 16, 1980
    Date of Patent: September 6, 1983
    Assignee: Zahnradfabrik Friedrichshafen A.G.
    Inventors: Gunther Bendel, Siegfried Loffler