Patents by Inventor Katsuya Onishi

Katsuya Onishi 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).

  • Patent number: 4037715
    Abstract: A chain conveyor which includes a main chain and an auxiliary chain having the same pitch and total length, a plurality of carriages each having a shaft extending through midway points of links on the main chain and rotatable relative thereto, arms coupling a pivot of each main chain with a pivot on the auxiliary chain and arms coupling each carriage shaft to a midway point of a link on the auxiliary chain. With such an arrangement the carriages will all maintain a predetermined angular relationship notwithstanding the movement of the chain through various paths in a vertical plane.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: July 26, 1977
    Assignee: Yamato Scale Company
    Inventors: Katsuya Onishi, Katsuyoshi Yoshida