Patents by Inventor Mitsuo Masugaki

Mitsuo Masugaki 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: 6494142
    Abstract: A conveyor comprises a plurality of carriages 2, each including a deck 7 having a friction surface 20a for a primary drive, which is formed on or near one side of the deck 7, and is parallel to the direction in which the carriages travel. Each carriage also includes a bar 10 fitted on the underside of the deck 7 and extending on the centerline of the deck. The bar 10 has a friction surface 21a for a secondary drive. The travel path includes a linear primary travel line 1 and a secondary travel line 5 for carriage return. A primary drive 3, is arranged for contact with the friction surfaces 20a. The secondary travel line 5 is fitted with a plurality of drives 6A and 6B at intervals, for secondary propulsion in the return direction.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: December 17, 2002
    Assignee: Daifuku Co., Ltd.
    Inventors: Mitsuo Masugaki, Takaharu Suzuki
  • Publication number: 20020108530
    Abstract: A conveyor includes friction drives provided on a travel path. The friction drives can propel carriages throughout the travel path.
    Type: Application
    Filed: November 30, 2001
    Publication date: August 15, 2002
    Inventors: Mitsuo Masugaki, Takaharu Suzuki