Patents by Inventor Yoshio Oketani

Yoshio Oketani 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).

  • System for automatically correcting position of slide in press
    Patent number: 4621517
    Abstract: A system for automatically correcting the position of the slide of a press comprises a position adjusting assembly for adjusting the up-down relative position relationship between the slide and a bolster while the press is in operation, a distance detecting unit for directly or indirectly detecting the relative distance between the bolster and the slide at the bottom dead center, and a control unit for controlling the position adjusting assembly based on the output of the distance detecting unit so that the relative distance between the bolster and the slide at the bottom dead center will be within a predetermined range during the operation of the press.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: November 11, 1986
    Assignee: Fukui Machinery Co. Ltd
    Inventors: Norio Hatanaka, Tsutae Hata, Yoshio Oketani, Eiji Kimura