Patents by Inventor Norimichi SEKIGUCHI

Norimichi SEKIGUCHI 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).

  • Driving tool
    Patent number: 10525574
    Abstract: A driving tool including a driver configured to drive out a fastener, a piston to which the driver is connected, a cylinder in which the piston is disposed so as to be reciprocated, a head valve which is slidably mounted to an outer circumferential side of the cylinder and controls a flow of compressed air into the cylinder, and a seal portion which is provided to face an opening edge of the head valve. The seal portion includes a lip portion protruding along an outer circumferential surface of the head valve.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: January 7, 2020
    Assignee: MAX CO., LTD.
    Inventors: Norimichi Sekiguchi, Hiroshi Tanaka, Michiaki Adachi, Takeshi Shiraishi
  • Driving tool
    Patent number: 10449661
    Abstract: A driving tool includes a driver configured to drive out a fastener, a piston to which the driver is connected, a cylinder in which the piston is disposed so as to be reciprocated, a head valve which is slidably mounted and controls flow of compressed air into the cylinder, and a foreign matter removing member provided with a protruding portion facing a circumferential surface of the head valve. When the head valve slides to move relatively with respect to the foreign matter removing member, a matter attached on the circumferential surface of the head valve can be removed by the protruding portion.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: October 22, 2019
    Assignee: MAX CO., LTD.
    Inventors: Norimichi Sekiguchi, Hiroshi Tanaka, Yasunori Aihara, Michiaki Adachi
  • DRIVING TOOL
    Publication number: 20170057068
    Abstract: A driving tool includes a driver configured to drive out a fastener, a piston to which the driver is connected, a cylinder in which the piston is disposed so as to be reciprocated, a head valve which is slidably mounted and controls flow of compressed air into the cylinder, and a foreign matter removing member provided with a protruding portion facing a circumferential surface of the head valve. When the head valve slides to move relatively with respect to the foreign matter removing member, a matter attached on the circumferential surface of the head valve can be removed by the protruding portion.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 2, 2017
    Inventors: Norimichi SEKIGUCHI, Hiroshi TANAKA, Yasunori AIHARA, Michiaki ADACHI
  • DRIVING TOOL
    Publication number: 20170057069
    Abstract: A driving tool including a driver configured to drive out a fastener, a piston to which the driver is connected, a cylinder in which the piston is disposed so as to be reciprocated, a head valve which is slidably mounted to an outer circumferential side of the cylinder and controls a flow of compressed air into the cylinder, and a seal portion which is provided to face an opening edge of the head valve. The seal portion includes a lip portion protruding along an outer circumferential surface of the head valve.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 2, 2017
    Inventors: Norimichi SEKIGUCHI, Hiroshi TANAKA, Michiaki ADACHI, Takeshi SHIRAISHI