Patents by Inventor Timothy V. Schafer

Timothy V. Schafer 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).

  • Piston and bearing assemblies
    Patent number: 4644853
    Abstract: In a preferred embodiment, a crosshead piston assembly for four-stroke cycle engines includes a novel piston pin bearing assembly having opposed less than semicylindrical insert bearings retained by engagement of arcuately opposite coplanar edge surfaces with like mating surfaces of respective recesses to provide an assembly capable of being practically manufactured to close dimensional tolerances. Broad potential application of the bearing concept is suggested.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: February 24, 1987
    Assignee: General Motors Corporation
    Inventors: Robert A. Russell, Trevor J. Moore, Timothy V. Schafer