Patents by Inventor Haruo Sano

Haruo Sano 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).

  • Split thrust bearing for outboard engine
    Patent number: 5072707
    Abstract: A four cycle outboard engine having a crankshaft substantially vertically oriented when running A cylindrical block supporting the crankshaft. A thrust metal composed of a pair of semi-circular plates of different thicknesses are mounted in semi-circular grooves of differing depth formed on the bearing portions of the cylinder block and mounted in such a way that the semi-circular plate having the greater thickness contacts the end surface of the semi-circular groove having the shallower depth.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: December 17, 1991
    Assignee: Aichi Kikai Kogyo Kabushiki Kaisha
    Inventors: Kiichiro Takai, Haruo Sano