Patents by Inventor Jerry M. Roethlisberger

Jerry M. Roethlisberger 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: 4358211
    Abstract: A preloaded pivot joint subject to wear in normal use has a protuberance on its internal movable bearing seat which protrudes through the pivot joint cover. As the joint wears, the degree of protrusion progressively diminishes. Indicia are provided on the protrusion and cover cooperatively to identify to the observer whether wear justifying replacement does or does not exist. Wear giving rise to loss in preload sufficient to warrant replacement of the pivot joint is indicated when the top surface of the protuberance recedes to a position having a predetermined observable relationship with the top surface of the cover. The elastomeric ring which provides the preload also provides a seal for an internal grease chamber which is accessible from a fitting in the protuberance.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: November 9, 1982
    Assignee: General Motors Corporation
    Inventors: Stanley R. Goodrich, Jr., Jerry M. Roethlisberger
  • Patent number: 4057120
    Abstract: A front wheel drive and suspension arrangement wherein drive train and independent suspension components are integrally mounted on a cross-member structure and adapted for mounting as a subassembly on the front portion of a vehicular frame.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: November 8, 1977
    Assignee: General Motors Corporation
    Inventor: Jerry M. Roethlisberger