Patents by Inventor Yuuji Osawa

Yuuji Osawa 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).

  • Machining apparatus having means for changing radial position of cutting tools
    Patent number: 5030042
    Abstract: A machining apparatus including a rotating shaft disposed rotatably about an axis thereof, an eccentric rotating member supported by the rotating shaft rotatably about an axis thereof which is offset from the axis of the rotating shaft, at least one cutting tool which is supported by the eccentric rotating member such that each cutting tool is rotated with the eccentric rotating member and such that the cutting edge of each cutting tool is offset from the axis of the eccentric rotating member, and a rotating device supported by the rotating shaft, for rotating the eccentric rotating member relative to the rotating shaft, and thereby changing the cutting edge position of each cutting tool in the radial direction of the rotating shaft.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: July 9, 1991
    Assignee: Fuji Seiko Limited
    Inventors: Katutoshi Haga, Hajime Mizutani, Yuuji Osawa, Akiomi Ryuu, Yutaka Matsushita, Shinobu Kaneko