Patents by Inventor Masayuki Tsuneta

Masayuki Tsuneta 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: 4841869
    Abstract: A conveyor system utilizing the linear motor, comprising a conveyor cart and a guide rail for movably supporting the conveyor cart. The guide rail includes primary coils, and the conveyor cart includes a flexible secondary conductor extending longitudinally of the cart so as to follow the guide rail. The primary coils comprise a station primary coil disposed at each loading and unloading station for stopping and starting the converyor cart, two primary coils adjacent opposite ends of the station primary coil for decelerating the conveyor cart that is to be stopped at the station by the station primary coil and for accelerating the conveyor cart having started from the station to a target running speed, and a plurality of intermediate accelerating primary coils disposed between two adjacent stations for accelerating the conveyor cart to maintain the latter at the target running speed.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: June 27, 1989
    Assignee: Daifuki, Co., Ltd.
    Inventors: Toshiyuki Takeuchi, Masayuki Tsuneta