Patents by Inventor Toru Inuzuka

Toru Inuzuka 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).

  • Cutting tool assembly having construction enabling cutting tool to have large diameter
    Patent number: 7165922
    Abstract: A cutting tool assembly including: (a) an arbor including a tapered shank portion which has a taper of 7/24 and a size of No. 30; (b) a cutting tool having at least one cutting blade and fastened to the arbor; (c) a fastener for fastening the cutting tool to the arbor; and (d) a relative-rotation preventing mechanism for preventing rotation of the cutting tool relative to the arbor. The cutting tool assembly has a weight of not larger than 3 kg. The arbor and the cutting tool have respective contact surfaces which are held in contact with each other. The relative-rotation preventing mechanism is provided by at least one receiving hole which is formed in one of the contact surfaces, and at least one protrusion which is formed on the other of the contact surfaces and which is received in the above-described at least one receiving hole.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: January 23, 2007
    Assignee: OSG Corporation
    Inventor: Toru Inuzuka
  • Cutting tool assembly having construction enabling cutting tool to have large diameter
    Publication number: 20040156691
    Abstract: A cutting tool assembly including: (a) an arbor including a tapered shank portion which has a taper of 7/24 and a size of No. 30; (b) a cutting tool having at least one cutting blade and fastened to the arbor; (c) a fastener for fastening the cutting tool to the arbor; and (d) a relative-rotation preventing mechanism for preventing rotation of the cutting tool relative to the arbor. The cutting tool assembly has a weight of not larger than 3 kg. The arbor and the cutting tool have respective contact surfaces which are held in contact with each other. The relative-rotation preventing mechanism is provided by at least one receiving hole which is formed in one of the contact surfaces, and at least one protrusion which is formed on the other of the contact surfaces and which is received in the above-described at least one receiving hole.
    Type: Application
    Filed: September 15, 2003
    Publication date: August 12, 2004
    Inventor: Toru Inuzuka