Patents by Inventor Saburo Nakai

Saburo Nakai 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).

  • Method and apparatus for feeding a cigarette tray transporting vehicle
    Patent number: 4029221
    Abstract: A method and apparatus for feeding a cigarette tray transporting vehicle using a feeding apparatus comprising means for coupling cigarette tray transporting vehicle to said feeding apparatus and releasing the same from said feeding apparatus is provided. With this method, it is possible to automatically guide and set a succeeding cigarette tray transporting vehicle to the feeding apparatus while a preceding cigarette tray transporting vehicle is set to the feeding apparatus, thereby reducing the amount of labor required.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: June 14, 1977
    Assignee: The Japan Tobacco & Salt Public Corporation
    Inventors: Saburo Nakai, Nobuyuki Koyama
  • Apparatus for recharging a self-running vehicle for loading and/or unloading a working machine, employing as a power source a storage battery
    Patent number: 3986095
    Abstract: An apparatus for recharging a storage battery employed in a self-running vehicle, for example, a cart, a carrier or the like for transporting loads. The recharging is carried out without interrupting the loading, unloading or transporting work. A plug means and a socket means are securely connected by some specific means and never disconnected from each other during the recharging process. According to the present invention, there can be obtained a high recharging effect and elimination of loss of time.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: October 12, 1976
    Assignee: The Japan Tobacco & Salt Public Corporation
    Inventors: Saburo Nakai, Nobuyuki Koyama