Patents by Inventor Takashi Ominami

Takashi Ominami 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).

  • Cylinder unit
    Patent number: 9221315
    Abstract: A cylinder unit includes a cylinder, a rod guide, a piston, a piston rod, and a rebound member provided between the rod guide and the piston to absorb impact generated when the cylinder unit is fully extended. The rebound member includes a coil spring arranged around an outer circumference of the piston rod and a pair of upper and lower holder members fitted to the fixing portions formed in both ends of the coil spring so that the piston rod is inserted into a shaft center hole. The center portion formed between the fixing portions of the coil spring has a diameter smaller than that of the fixing portion.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: December 29, 2015
    Assignees: KAYABA INDUSTRY CO., LTD., CHITA KOGYO CO., LTD.
    Inventors: Hisato Shii, Akira Naito, Tatsuya Sukegawa, Kazuhiro Hayashi, Takashi Ominami
  • CYLINDER UNIT
    Publication number: 20140001690
    Abstract: A cylinder unit includes a cylinder, a rod guide, a piston, a piston rod, and a rebound member provided between the rod guide and the piston to absorb impact generated when the cylinder unit is fully extended. The rebound member includes a coil spring arranged around an outer circumference of the piston rod and a pair of upper and lower holder members fitted to the fixing portions formed in both ends of the coil spring so that the piston rod is inserted into a shaft center hole. The center portion formed between the fixing portions of the coil spring has a diameter smaller than that of the fixing portion.
    Type: Application
    Filed: February 24, 2012
    Publication date: January 2, 2014
    Applicants: CHITA KOGYO CO., LTD., KAYABA INDUSTRY CO., LTD.
    Inventors: Hisato Shii, Akira Naito, Tatsuya Sukegawa, Kazuhiro Hayashi, Takashi Ominami