Patents by Inventor Shigeo Seko

Shigeo Seko 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).

  • Centralized control system for open end spinning machines
    Patent number: 4249369
    Abstract: A centralized control system for open end spinning machines comprises a group control unit essentially consisting of a first spinning control means composed of a plurality of sequentially operated logical elements connected in series, the first spinning control means producing from the respective logical elements parallel outputs each of which is fed to a plurality of spinning units so as to control the spinning operation thereof, and an individual control unit essentially consisting of a second spinning control means each of which constituent is the same as the first spinning control means. A spinning mechanism includes a yarn breakage sensor provided in the stream of spun yarn, a driving means for driving the spinning mechanism including a plurality of driving motors, controlled by the output from the group or individual control unit.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: February 10, 1981
    Assignees: Kabushiki Kaisha Toyoda Jidoh Shokki Seisakusho, Kabushiki Kaisha Meidensha
    Inventors: Kanemitsu Tsuzuki, Kozo Motobayashi, Kazuo Watanabe, Yastami Kito, Shigeo Seko