Patents Assigned to Pro Sharp Corporation
  • Saw chain sharpening fixture
    Patent number: 4173908
    Abstract: A saw chain sharpening fixture is disclosed featuring an inverted U-shaped frame adapted to be installed on a cutter bar of a chain saw and having a sharpening opening in a frame. A pair of sharpening tool adaptor guides are mounted on sidewalls of the frame and diverge outwardly from the sharpening opening, the adaptor guides each having an elongated bearing surface the lowermost portion of which is adapted to be disposed below the top of the cutter bar for supporting a sharpening tool adaptor on a selected one of the guides.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: November 13, 1979
    Assignee: Pro Sharp Corporation
    Inventor: Frank J. Aksamit
  • Saw chain sharpening fixture
    Patent number: D256426
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: August 19, 1980
    Assignee: Pro Sharp Corporation
    Inventor: Frank J. Aksamit
  • Saw chain sharpening assembly
    Patent number: D257527
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: November 18, 1980
    Assignee: Pro Sharp Corporation
    Inventor: Frank J. Aksamit
  • Saw chain sharpening fixture
    Patent number: RE31504
    Abstract: A saw chain sharpening fixture is disclosed featuring an inverted U-shaped frame adapted to be installed on a cutter bar of a chain saw and having a sharpening opening in a frame. A pair of sharpening tool adaptor guides are mounted on sidewalls of the frame and diverge outwardly from the sharpening opening, the adaptor guides each having an elongated bearing surface the lowermost portion of which is adapted to be disposed below the top of the cutter bar for supporting a sharpening tool adaptor on a selected one of the guides.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: January 24, 1984
    Assignee: Pro Sharp Corporation
    Inventor: Frank J. Aksamit