Patents by Inventor Chieo Urata

Chieo Urata 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).

  • Mold lubricant exhausting apparatus for knocking-out mechanism
    Patent number: 4898225
    Abstract: In a mold lubricant exhausting apparatus for a knocking-out mechanism to be installed in a press machine, etc., to prevent the knocking-out mechanism from being damaged due to mold lubricant, overflowed a mold, the apparatus has a nozzle (11) disposed at an end thereof in a reserving chamber (2), and an air pump connected to the base end of the nozzle (11) for supplying air to the nozzle (11) for forcibly exhausting the mold lubricant accumulated in the reserving chamber (2).
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: February 6, 1990
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventor: Chieo Urata
  • Die assembly for use in general type mechanical press machine
    Patent number: 4653310
    Abstract: A die assembly for use in a general type mechanical press machine has opposite upper and lower dies adapted to be fitted in upper and lower die sets, respectively, so as to be slidable freely by a predetermined stroke, and a differential mechanism interposed between the upper and lower dies so as to transmit a predetermined rate of displacement to the lower die in accordance with the movement or displacement of the upper die set. The differential mechanism comprises a rack and pinion mechanism or linkage having two pair of link mechanisms.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: March 31, 1987
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Chieo Urata, Yasuo Suzuki