Patents by Inventor Masayuki Tsuneda

Masayuki Tsuneda 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).

  • Conveyor apparatus using automotive cart
    Patent number: 4944230
    Abstract: A conveyor apparatus comprising a rail device and automotive carts supported and guided by the rail device to be travelled. The rail device comprises an automotive cart guiding member having a C letter-shaped section provided with an opened portion for travelling the cart therethrough and a duct member communicating with the guiding member through a slit. The cleaning of the inside of the duct member, the installation of various kinds of instrument and the wiring operation within the duct member, the maintenance and inspection after the wiring operation and the like can be carried out through the opened portion and the slit.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: July 31, 1990
    Assignee: Daifuku Co., Ltd.
    Inventors: Hajime Maeda, Masayuki Tsuneda