Patents by Inventor Robert E. Annis

Robert E. Annis 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).

  • Shift range selection mechanism for an automatic transmission
    Patent number: 5220985
    Abstract: A drive range selection employs both a movable shift actuating member that is operatively connected to a customary manual shift valve and a movable park lock actuating member that is operatively connected to a parking lock pawl mechanism. A force transfer device operatively connects the shift actuating member and the park lock actuating member to a selecting lever. Mechanism is provided to disengage the force transfer device from the shift actuating member when the force transfer device is operatively connected to the park actuating member, and to immobilize the shift actuating member in response to activation of the park lock actuating member when the force transfer device is disengaged from the shift actuating member.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: June 22, 1993
    Assignee: General Motors Corporation
    Inventors: Robert E. Annis, Theodore E. Demers