Chromium Patents (Class 76/DIG4)
  • Patent number: 4363364
    Abstract: A plow chisel having an integrated chisel point and including an elongated, arcuate shank portion formed as a curved, flat metal plate having a top surface, bottom surface and two opposed side edges. At one end, the shank portion is pointed due to convergence of the side edges. A chisel cap of pointed configuration includes a base relieved to receive the pointed end of the shank portion in a recess of complementary shape. The cap is of hard metal construction and is secured to the shank portion by welding.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: December 14, 1982
    Assignee: Adams Hard-Facing Company, Inc.
    Inventor: Halsey J. Wetmore
  • Patent number: 4266587
    Abstract: An improvement in a manual tool having an end, a work engaging tip at the end, a handle spaced from the end and an elongated terminal portion extending from the work engaging tip wherein the elongated terminal portion has a peripheral surface also extending from the work engaging tip. The improvement comprises the application of a layer of light reflective material on the peripheral surface and adjacent the tip whereby light will be reflected into the actual work area which may in some instances be dark.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: May 12, 1981
    Inventor: Ray E. Wood