Patents by Inventor Shun Michiura

Shun Michiura 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).

  • Hydraulic chuck device
    Patent number: 10589358
    Abstract: A hydraulic chuck device includes a cylinder portion operated by pressure oil, a chuck opened and closed by operation of the cylinder portion, a pressure oil supply controlling pressure of pressure oil supplied to the cylinder portion, and a chuck controller controlling the pressure oil supply. When controlling the pressure oil supply to cause a jaw portion to perform a clamping operation, during movement of the jaw portion from an unclamping position to a preliminary position situated before a clamping position, the chuck controller supplies pressure oil set at a first pressure into a cylinder chamber for clamping to move the jaw portion quickly, and during movement of the jaw portion from the preliminary position to the clamping positon, the chuck controller supplies pressure oil set at a second pressure lower than the first pressure into the cylinder chamber for clamping to move the jaw portion slowly.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 17, 2020
    Assignee: DMG MORI CO., LTD.
    Inventors: Masahiro Yamane, Kimiyuki Nishimura, Masakazu Takayama, Shun Michiura
  • Hydraulic Chuck Device
    Publication number: 20170291226
    Abstract: A hydraulic chuck device includes a cylinder portion operated by pressure oil, a chuck opened and closed by operation of the cylinder portion, a pressure oil supply controlling pressure of pressure oil supplied to the cylinder portion, and a chuck controller controlling the pressure oil supply. When controlling the pressure oil supply to cause a jaw portion to perform a clamping operation, during movement of the jaw portion from an unclamping position to a preliminary position situated before a clamping position, the chuck controller supplies pressure oil set at a first pressure into a cylinder chamber for clamping to move the jaw portion quickly, and during movement of the jaw portion from the preliminary position to the clamping positon, the chuck controller supplies pressure oil set at a second pressure lower than the first pressure into the cylinder chamber for clamping to move the jaw portion slowly.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 12, 2017
    Applicant: DMG MORI CO., LTD.
    Inventors: Masahiro Yamane, Kimiyuki Nishimura, Masakazu Takayama, Shun Michiura