Patents by Inventor Ryoichi Shimomura

Ryoichi Shimomura 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).

  • Lubricant recovery device
    Patent number: 8397872
    Abstract: In a housing 13, an air discharge hole 41 and a suction pipe 51 are arranged vertically in parallel and are located outward with respect to a bearing 12 that supports a vertical main spindle 11. A communication hole 43 connects between a space formed below the bearing 12 and an intermediate portion of the air discharge hole 41 in a height direction. A bottom end of the air discharge hole 41 and that of the suction pipe 51 communicate with an oil reservoir 45. Lubricant in the oil reservoir 45 is sucked through the suction pipe 51 and is recovered at a position outside the housing 13.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: March 19, 2013
    Assignee: Okuma Corporation
    Inventor: Ryoichi Shimomura
  • Lubricant Recovery Device
    Publication number: 20090242330
    Abstract: In a housing 13, an air discharge hole 41 and a suction pipe 51 are arranged vertically in parallel and are located outward with respect to a bearing 12 that supports a vertical main spindle 11. A communication hole 43 connects between a space formed below the bearing 12 and an intermediate portion of the air discharge hole 41 in a height direction. A bottom end of the air discharge hole 41 and that of the suction pipe 51 communicate with an oil reservoir 45. Lubricant in the oil reservoir 45 is sucked through the suction pipe 51 and is recovered at a position outside the housing 13.
    Type: Application
    Filed: February 27, 2009
    Publication date: October 1, 2009
    Inventor: Ryoichi Shimomura