Patents by Inventor Tatsuji INOUE

Tatsuji INOUE 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).

  • Electric actuator
    Patent number: 11149829
    Abstract: Provided is an electric actuator including: a drive part (2); a motion conversion mechanism part (3) configured to convert a rotary motion from the drive part (2) into a linear motion a transmission gear mechanism (28) configured to transmit a driving force from the drive part (2) to the motion conversion mechanism part (3); and a lock mechanism part (7) configured to prevent the drive by the motion conversion mechanism part (3), wherein the transmission gear mechanism (28) includes a first gear (30) arranged on the drive part (2) side and a second gear (31) arranged on the motion conversion mechanism part (3) side, and wherein the lock mechanism part (7) is arranged on an opposite side of the drive part (2) with respect to the first gear (30), and on the motion conversion mechanism part (3) side with respect to a rotation center line of the first gear (30).
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: October 19, 2021
    Assignee: NTN CORPORATION
    Inventors: Takushi Matsuto, Shinsuke Hirano, Atsushi Ikeda, Tomomi Ishikawa, Yoshinori Ikeda, Tatsuji Inoue
  • ELECTRIC ACTUATOR
    Publication number: 20200300344
    Abstract: Provided is an electric actuator including: a drive part (2); a motion conversion mechanism part (3) configured to convert a rotary motion from the drive part (2) into a linear motion a transmission gear mechanism (28) configured to transmit a driving force from the drive part (2) to the motion conversion mechanism part (3); and a lock mechanism part (7) configured to prevent the drive by the motion conversion mechanism part (3), wherein the transmission gear mechanism (28) includes a first gear (30) arranged on the drive part (2) side and a second gear (31) arranged on the motion conversion mechanism part (3) side, and wherein the lock mechanism part (7) is arranged on an opposite side of the drive part (2) with respect to the first gear (30), and on the motion conversion mechanism part (3) side with respect to a rotation center line of the first gear (30).
    Type: Application
    Filed: March 24, 2017
    Publication date: September 24, 2020
    Inventors: Takushi MATSUTO, Shinsuke HIRANO, Atsushi IKEDA, Tomomi ISHIKAWA, Yoshinori IKEDA, Tatsuji INOUE