Patents by Inventor Gerhard Weigardt

Gerhard Weigardt 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).

  • Patent number: 5480274
    Abstract: An aircraft tug without draw tongue, with a chassis divided by means of an axially parallel buckling axle. The pickup device for the nose landing gear (nose wheels 27) of an aircraft is arranged within the fork-shaped recess of the chassis, which is formed by the lifting rockers. This pickup device includes a lifting platform, a pendulum tie-bar, telescopic arms with gripping arms, a push-out tie-bar, a crossbar, longitudinal swinging arms, and a pendulum pin. The pendulum tie-bar, the lifting platform with the telescopic arms, including the push-out tie-bar and the longitudinal swinging arms, are connected to the lifting rockers of the chassis rear part via coupling members. The pendulum tie-bar has a pendular mounting, and pendular movement of the lifting platform and of the pendulum tie-bar is guaranteed in conjunction with the pivotably mounted lifting platform.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: January 2, 1996
    Assignee: Man Gutehoffnungshutte
    Inventors: Wilhelm Franken, Gerhard Weigardt, Lars T. Michaelsen
  • Patent number: 5259572
    Abstract: A vehicle with its own traveling gear for towing an aircraft without draw tongue, has a U-shaped chassis frame recess that is open in the forward direction with a clamping and lifting device arranged therein for the nose wheels of an aircraft. The clamping and lifting device, which is oscillatingly suspended on the chassis frame 1, includes a pivoting and lifting ramp 8, as well as two parallel telescoping arms 10 arranged rigidly on the pivoting and lifting ramp 8, with telescoping cylinders 11 and with gripping arms 14, which can be pivoted in and whose nose wheel contact surfaces 18 are rigidly attached to the gripping arms 14, and of telescopingly adjustable holddown devices 12, 13, which are hinged to the support 7.FIG. 3 shows the clamping and lifting devices with the nose wheels 17 lifted.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: November 9, 1993
    Assignee: Man Gutehoffnungshutte Aktiengesellschaft
    Inventors: Wilhelm Franken, Ernest Kretschmann, Gerhard Weigardt, Heinrich Goris, Torsten L. Michaelsen, Dieter Pohe