Patents by Inventor Toshikazu Kushida

Toshikazu Kushida 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).

  • Work holding mechanism
    Patent number: 7748760
    Abstract: A work holding mechanism for horizontally holding a flat work is incorporated in work transport equipment. The holding mechanism includes a base member for supporting the work and a plurality of guide members provided at the base member. Each guide member includes a shaft, a contact portion and a limit portion. The shaft is pivotally supported by the base member. The contact portion comes into contact with part of the lower surface of the perimeter of the work and is pushed down, with the shaft as a fulcrum, when the work is placed on the base member. The limit portion is raised, with the shaft as a fulcrum, to face part of the side surface of the perimeter of the work when the contact portion is lowered.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: July 6, 2010
    Assignee: DAIHEN Corporation
    Inventors: Toshikazu Kushida, Yohei Oka
  • Work holding mechanism
    Publication number: 20080099970
    Abstract: A work holding mechanism for horizontally holding a flat work is incorporated in work transport equipment. The holding mechanism includes a base member for supporting the work and a plurality of guide members provided at the base member. Each guide member includes a shaft, a contact portion and a limit portion. The shaft is pivotally supported by the base member. The contact portion comes into contact with part of the lower surface of the perimeter of the work and is pushed down, with the shaft as a fulcrum, when the work is placed on the base member. The limit portion is raised, with the shaft as a fulcrum, to face part of the side surface of the perimeter of the work when the contact portion is lowered.
    Type: Application
    Filed: October 24, 2007
    Publication date: May 1, 2008
    Applicant: DAIHEN Corporation
    Inventors: Toshikazu Kushida, Yohei Oka