Patents by Inventor Ralph E. Nemecek

Ralph E. Nemecek 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: 4328630
    Abstract: A pullyoke assembly for a scraper that includes a transverse torque tube having a central tubular member rigidly interconnecting the lower portions of a pair of drawbar members and being connected through each of the drawbar members to an outer tubular member which has a pair of outwardly flared ends, with one of the flared ends being rigidly secured to a pull-arm that extends rearwardly for pivotal connection with a scraper bowl, and the other of the flared ends being connected to one of the drawbar members in axial alignment with the central tubular member.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: May 11, 1982
    Assignee: General Motors Corporation
    Inventors: Richard A. Hood, Dale C. Greig, Ralph E. Nemecek
  • Patent number: 4243341
    Abstract: A pivot construction for connecting a pair of relatively movable members that include a stepped diameter pin one end of which is fastened to one of the members and the other end of which is received in an end cap member that serves to preload a tapered roller bearing assembly mounted on the other of the members.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: January 6, 1981
    Assignee: General Motors Corporation
    Inventors: Steve Kabay, Ralph E. Nemecek