Patents by Inventor Kazunori Tada

Kazunori Tada 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).

  • Automatic drafting machine having air blower means for holding paper down
    Patent number: 4646109
    Abstract: An automatic drafting machine in which the paper is disposed on drive rollers and the paper is sandwiched by the drive rollers and pressure rollers in resilient contact with the drive rollers, and a writing implement is shiftably disposed in a right angle direction to the feeding direction of the paper along the horizontal surface of the paper, and guides for mounting the paper are disposed on both sides of the track along which the writing implement shifts, and an air blowing opening for supplying downward air pressure on the paper is disposed in the vicinity of the outer end portions of the guides in the feeding direction of the paper.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: February 24, 1987
    Assignee: Mutoh Industry Ltd.
    Inventors: Akio Toyama, Shuso Matsumoto, Kazunori Tada