Patents by Inventor Ronald Keith Leonard

Ronald Keith Leonard 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).

  • Snowmobile drive assembly
    Patent number: 4069882
    Abstract: A snowmobile drive assembly includes an engine mounted on a frame by vibration isolation mounts and having an output shaft connected, by means of a flexible coupling, to a first shaft which is rotatably supported on the frame by a first pair of axially spaced bearings. A variable speed primary clutch is mounted on the first shaft between the first pair of bearings and is connected, via a drive belt, to a variable speed secondary clutch mounted on a second shaft disposed parallel to the first shaft and rotatably mounted on the frame by a second pair of bearings.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: January 24, 1978
    Assignee: Deere & Company
    Inventors: Ronald Keith Leonard, John E. Hoffman, Jr.