Patents Assigned to Vorwerk & Sohn GmbH & Co. KG.
  • Patent number: 6523843
    Abstract: A bearing has an elastic bearing element and envelops a vehicle wheel suspension stabilizer. The elastic bearing element with an inner sleeve is disposed on the stabilizer. The bearing element can be connected in a rotationally secure manner to the stabilizer by corresponding locking elements between the inner sleeve and the stabilizer.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: February 25, 2003
    Assignees: Dr. Ing. h.c.F. Porsche AG, Vorwerk & Sohn GmbH & Co. KG
    Inventors: Stefan Wiesemann, Norbert Schote, Hartwig Naploszek, Thomas Geisler
  • Patent number: 4592403
    Abstract: An emergency operation ring for tubeless pneumatic tires on motor vehicles made of an elastomeric material and mounted on a rim by means of axial clamping pressure. Two support sections extend diagonally upwards and outwards from the base section and define a circumferential channel. The support sections have step shaped outer flanks set back with respect to the base section. At least one circumferential groove is provided contiguous the circumferential channel, and slipping agent is positioned in the groove or grooves. Sealing lips close off the groove and slipping agent when the tire is intact. The wheel load working on the support sections at the beginning of an emergency operation brings the sealing lips into an open position, whereby the slipping agent is released and lubricates the surfaces of the pneumatic tire and the emergency operation ring in contact with each other.
    Type: Grant
    Filed: August 28, 1984
    Date of Patent: June 3, 1986
    Assignee: Vorwerk & Sohn GmbH & Co. KG
    Inventors: Hermann Stein, Ulrich Piepenbrink
  • Patent number: 4371024
    Abstract: The invention relates to an emergency running ring for pneumatic tires mounted on vehicle rims. A lubricant is contained in cavities formed by virtue of the shape of the ring, or is contained in auxiliary members mounted in openings in the ring or mounted on the surface of the ring. In all instances, the loss of tire pressure due to emergency conditions causes the lubricant to be released so as to reduce the friction between the inner face of the tire cover and the ring.
    Type: Grant
    Filed: February 10, 1981
    Date of Patent: February 1, 1983
    Assignee: Vorwerk & Sohn GmbH & Co. KG
    Inventors: Hermann Stein, Ulrich Piepenbrink
  • Patent number: 4295509
    Abstract: An emergency track ring for a tubeless pneumatic tire comprising a bottom reinforced flange for mounting the ring on such a tire rim. At least one opening is formed in the ring to permit air to be admitted to the interior of the tire. Groove means are formed in the ring for filling with a lubricating material, and sealing lips close the groove means and seal the lubricant therein when the tire is mounted on said rim and under pressure. Flange means are integrally formed with the sealing lips and extend upwardly for engagement by the inside of the tire cover during loss of air, the depressing of the flange means effecting a lever action which causes the sealing lips to move so as to open the grooves and permit and lubricating material to be released to reduce friction between the tire cover and the track ring.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: October 20, 1981
    Assignee: Vorwerk & Sohn GmbH & Co. KG.
    Inventor: Hermann Stein