Patents by Inventor Hiromasa Ubukata

Hiromasa Ubukata 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).

  • Linear guide bearing apparatus
    Patent number: 7387441
    Abstract: In a linear guide bearing apparatus in which a lubricant feeding member 20 attached to an axial end of a slider 2 and making sliding contact with the rolling body rolling grooves 3 of a guide rail 1 to feed a lubricant thereto is of a porous material containing the lubricant and is pressed outwardly along the width of the slider 2 by a pressing member 31 fitted in the lubricant feeding member 20 at an upper portion thereof to have its sliding contact portions 21 pressed against the rolling body rolling grooves 3 of the guide rail 1, the lubricant feeding member 20 is housed in the casing 30 formed integrally with the pressing member 31.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: June 17, 2008
    Assignee: NSK Ltd.
    Inventors: Hiromasa Ubukata, Yasushi Abe
  • Linear guide bearing apparatus
    Publication number: 20060029303
    Abstract: In a linear guide bearing apparatus in which a lubricant feeding member 20 attached to an axial end of a slider 2 and making sliding contact with the rolling body rolling grooves 3 of a guide rail 1 to feed a lubricant thereto is of a porous material containing the lubricant and is pressed outwardly along the width of the slider 2 by a pressing member 31 fitted in the lubricant feeding member 20 at an upper portion thereof to have its sliding contact portions 21 pressed against the rolling body rolling grooves 3 of the guide rail 1, the lubricant feeding member 20 is housed in the casing 30 formed integrally with the pressing member 31.
    Type: Application
    Filed: August 5, 2005
    Publication date: February 9, 2006
    Inventors: Hiromasa Ubukata, Yasushi Abe