Patents by Inventor Takeaki Tamabuchi

Takeaki Tamabuchi 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).

  • Oil-retaining bearing structure for rotary machine
    Patent number: 5984525
    Abstract: The present invention relates to an oil-retaining bearing for a rotary machine. In the oil-retaining bearing for a rotary machine according to the present invention, a first lock section is provided in a bearing housing; a first thrust spacer is relatively rotatably mounted in the vicinity of the end face of the oil-retaining bearing for a rotary machine; the first thrust spacer is provided with a second lock section, in engagement with the first lock section; a second thrust spacer is relatively non-rotatably mounted on the rotating shaft; and a third thrust spacer having elasticity is relatively rotatably mounted on the rotating shaft; the third thrust spacer being interposed between the first thrust spacer and the second thrust spacer.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: November 16, 1999
    Assignee: Japan Servo Co., Ltd.
    Inventors: Junichi Ikeda, Naoya Ito, Masahiro Mimura, Takeaki Tamabuchi
  • Oil-retaining bearing structure for rotary machine
    Patent number: 5833370
    Abstract: The present invention relates to an oil-retaining bearing for a rotary machine. In the oil-retaining bearing for a rotary machine according to the present invention, a first lock section is provided in a bearing housing; a first thrust spacer is relatively rotatably mounted in the vicinity of the end face of the oil-retaining bearing for a rotary machine; the first thrust spacer is provided with a second lock section, in engagement with the first lock section; a second thrust spacer is relatively non-rotatably mounted on the rotating shaft; and a third thrust spacer having elasticity is relatively rotatably mounted on the rotating shaft; the third thrust spacer being interposed between the first thrust spacer and the second thrust spacer.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: November 10, 1998
    Assignee: Japan Servo Co., Ltd.
    Inventors: Junichi Ikeda, Naoya Ito, Masahiro Mimura, Takeaki Tamabuchi