Patents by Inventor Kohachi Tsuji

Kohachi Tsuji 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).

  • Bush bearing
    Patent number: 8267589
    Abstract: A bush bearing (1) is a wrapped bush bearing which has a cylindrical inner peripheral surface (2) serving as a sliding surface as well as an outer peripheral surface (3), and whose abutting faces (4) are abutted against each other. The outer peripheral surface (3) includes a cylindrical surface (11); a tapered surface (13) interposed between the cylindrical surface (11) and one annular end face (12) in an axial direction X and formed by roll forming; a smooth circular arc surface (14) interposed between the tapered surface (13) and the cylindrical surface (11); and a smooth circular arc surface (15) interposed between the tapered surface (13) and the end face (12).
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: September 18, 2012
    Assignee: Oiles Corporation
    Inventors: Kohachi Tsuji, Yuzo Makinae, Shigeru Kajiwara
  • BUSH BEARING
    Publication number: 20120070109
    Abstract: A bush bearing (1) is a wrapped bush bearing which has a cylindrical inner peripheral surface (2) serving as a sliding surface as well as an outer peripheral surface (3), and whose abutting faces (4) are abutted against each other. The outer peripheral surface (3) includes a cylindrical surface (11); a tapered surface (13) interposed between the cylindrical surface (11) and one annular end face (12) in an axial direction X and formed by roll forming; a smooth circular arc surface (14) interposed between the tapered surface (13) and the cylindrical surface (11); and a smooth circular arc surface (15) interposed between the tapered surface (13) and the end face (12).
    Type: Application
    Filed: November 23, 2011
    Publication date: March 22, 2012
    Applicant: OILES CORPORATION
    Inventors: Kohachi Tsuji, Yuzo Makinae, Shigeru Kajiwara
  • Bush bearing
    Patent number: 8083414
    Abstract: A bush bearing (1) is a wrapped bush bearing which has a cylindrical inner peripheral surface (2) serving as a sliding surface as well as an outer peripheral surface (3), and whose abutting faces (4) are abutted against each other. The outer peripheral surface (3) includes a cylindrical surface (11); a tapered surface (13) interposed between the cylindrical surface (11) and one annular end face (12) in an axial direction X and formed by roll forming; a smooth circular arc surface (14) interposed between the tapered surface (13) and the cylindrical surface (11); and a smooth circular arc surface (15) interposed between the tapered surface (13) and the end face (12).
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: December 27, 2011
    Assignee: Oiles Corporation
    Inventors: Kohachi Tsuji, Yuzo Makinae, Shigeru Kajiwara
  • Bush bearing
    Publication number: 20070092173
    Abstract: A bush bearing (1) is a wrapped bush bearing which has a cylindrical inner peripheral surface (2) serving as a sliding surface as well as an outer peripheral surface (3), and whose abutting faces (4) are abutted against each other. The outer peripheral surface (3) includes a cylindrical surface (11); a tapered surface (13) interposed between the cylindrical surface (11) and one annular end face (12) in an axial direction X and formed by roll forming; a smooth circular arc surface (14) interposed between the tapered surface (13) and the cylindrical surface (11); and a smooth circular arc surface (15) interposed between the tapered surface (13) and the end face (12).
    Type: Application
    Filed: November 25, 2003
    Publication date: April 26, 2007
    Inventors: Kohachi Tsuji, Yuzo Makinae, Shigeru Kajiwara