Patents by Inventor John S. Doller

John S. Doller 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).

  • Roller clutch energizing spring with protected pleats
    Patent number: 4850464
    Abstract: An accordion type roller clutch energizing spring protects its radially directed pleats from wear against the cage side rails by taking advantage of the side thrust that occurs when a spring of that type without squared off end leaves is tipped in order to fit it into the pocket. At least one end leaf is lengthened so as to hit one side rail as the side thrust shifts the spring to the side, thereby keeping the pleats on both sides of the spring away from the side rails.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: July 25, 1989
    Assignee: General Motors Corporation
    Inventors: John S. Doller, Frederick E. Lederman
  • Overrunning roller clutch with improved cage and bearing block
    Patent number: 4088211
    Abstract: An overrunning roller clutch is provided with a stamped and bent sheet metal cage which carries a number of molded bearing blocks. The bearing blocks center the clutch races with respect to each other and also cooperate in providing a unit handled subassembly of caged rollers for the clutch.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: May 9, 1978
    Assignee: General Motors Corporation
    Inventors: John S. Doller, Oscar G. Kitchin