Patents Assigned to International Patent Transactions Company Limited
  • Tool holder
    Patent number: 4111587
    Abstract: A tool holder including a holder body having a retaining bore for slidably accommodating a bar-type tip. A tapered bore is provided in concentric relationship with the retaining bore, and wedge means is inserted within the tapered bore. The wedge means is movable in the axial direction thereof; whereby the wedge means is adapted to be brought into clamping engagement with the outer periphery of the bar-type tip.
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: September 5, 1978
    Assignee: International Patent Transactions Company Limited
    Inventor: Takefumi Hatanaka