Patents by Inventor Rolf Pflughaupt

Rolf Pflughaupt 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: 4260177
    Abstract: An independent front wheel suspension for motor vehicles has a support strut which includes a telescopic shock absorber and an enclosed coil spring which serves as the wheel spring. The piston rod of the telescopic shock absorber either alone or together with an upper wheel spring plate is resiliently supported at the vehicle body by a mounting arrangement having an annular elastomeric element. Several coupled and decoupled designs of mounting arrangements are disclosed. Each of the arrangements is characterized by an annular elastomeric element having a substantially axially aligned recess means in at least one of its two end faces for improved cardanic movability.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: April 7, 1981
    Assignee: General Motors Corporation
    Inventors: Rolf Pflughaupt, Willi Arnold, Gerhard Hellener
  • Patent number: 4111456
    Abstract: An independent strut type suspension assembly for a vehicle including a hydraulic telescopic damper having a housing to the lower end of which is secured a wheel carrier for a road wheel of the vehicle. A lower transverse pivotal guide member is articulated to the wheel carrier and to part of the body of the vehicle. A piston rod of the damper projects from the housing and extends through an aperture in the vehicle body, and the upper end portion of the piston rod is rigidly connected to connector means including a bell-shaped member the open end portion which has a resilient connection, in the form of an annular rubber member, to the vehicle body.A helical wheel-suspension spring surrounds the damper, with the lower end of the spring seated on the damper housing.
    Type: Grant
    Filed: June 9, 1977
    Date of Patent: September 5, 1978
    Assignee: General Motors Corporation
    Inventors: Willi Arnold, Rolf Pflughaupt, Bertold Felzer