Patents by Inventor Syun Orihara

Syun Orihara 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).

  • Piston assembly in fluid pressure cylinder
    Patent number: 7874242
    Abstract: The piston 4 comprises a fixing ring 8 mounted on a piston rod 6, and a piston body 10 fixed to the fixing ring 8. The fixing ring 8 is comprised of two semi-circular plated members 8A, 8B having plural threaded holes 8a for bolt-fastening of the piston body 10. When they are abutted against each other and formed into a circular-annular shape, a hole portion 8c which is to be tightly fitted in a fixing groove 6a of the piston rod 6 is formed. The piston body 10 has a hole portion 10a which is to be fitted over the piston rod 6, and plural bolt holes 10c corresponding to the threaded holes 8a. Moreover, the piston body 10 has a concave portion 10d on a side of one surface thereof, in which the fixing ring 8 is fitted in an embedded state.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: January 25, 2011
    Assignee: SMC Corporation
    Inventors: Syun Orihara, Naoki Hoshi, Shinichiro Nemoto, Hiroyuki Asahara
  • Piston assembly in fluid pressure cylinder
    Publication number: 20080236387
    Abstract: The piston 4 comprises a fixing ring 8 mounted on a piston rod 6, and a piston body 10 fixed to the fixing ring 8. The fixing ring 8 is comprised of two semi-circular plated members 8A, 8B having plural threaded holes 8a for bolt-fastening of the piston body 10. When they are abutted against each other and formed into a circular-annular shape, a hole portion 8c which is to be tightly fitted in a fixing groove 6a of the piston rod 6 is formed. The piston body 10 has a hole portion 10a which is to be fitted over the piston rod 6, and plural bolt holes 10c corresponding to the threaded holes 8a. Moreover, the piston body 10 has a concave portion 10d on a side of one surface thereof, in which the fixing ring 8 is fitted in an embedded state.
    Type: Application
    Filed: March 13, 2008
    Publication date: October 2, 2008
    Applicant: SMC Corporation
    Inventors: Syun Orihara, Naoki Hoshi, Shinichiro Nemoto, Hiroyuki Asahara
  • Packing ring
    Patent number: D634604
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: March 22, 2011
    Assignee: SMC Corporation
    Inventors: Syun Orihara, Masahiro Okuma