Patents by Inventor Rudolf Siegrist

Rudolf Siegrist 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).

  • Grease fitting and grease fitting plug for wheel hub
    Patent number: 5232069
    Abstract: Grease fittings are disclosed for insertion in a bore extending through the wall of a wheel hub to direct grease into the interior of the wheel hub. The grease fitting is shaped for secure seating on the hub, for easy and rapid insertion into the boreand for securing it in the threadless bore. A second embodiment includes a grease fitting plug for insertion in a bore extending through the wall of a wheel hub wherein the grease fitting plug is shaped to be securely seated on the hub and securely mounted in the threadless bore.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: August 3, 1993
    Assignee: MTD Products Inc.
    Inventor: Rudolf Siegrist
  • Foot pedal operated positioning control
    Patent number: 5044478
    Abstract: A foot pedal operated control positioning device for a continuously variable transmission wherein a movable bushing is aligned with a preset stop in order to set the transmission into a known neutral condition.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: September 3, 1991
    Assignee: MTD Products Inc
    Inventors: Jurgen Kaesgen, Rudolf Siegrist
  • Mower deck height and angle control
    Patent number: 4869057
    Abstract: A mower deck height and angle adjustment means is disclosed which utilizes adjustment to the length of a bolt extending between a mower deck suspension mechanism part and an in-line located flange to vary the relationship between the mower deck and the mower frame.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: September 26, 1989
    Assignee: MTD Products Inc.
    Inventor: Rudolf Siegrist
  • Mower deck height and clutch control
    Patent number: 4760687
    Abstract: An improved mower clutch control is disclosed that transforms part of the upward height control movement of a mower deck into a forward declutching movement by angularly deflecting the mower deck in an arc through use of a pivotally connected lost motion lockout bolt.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: August 2, 1988
    Assignee: MTD Products Inc.
    Inventor: Rudolf Siegrist