Patents by Inventor Eigo Bandou

Eigo Bandou 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).

  • Die clamp mechanism for press machine
    Patent number: 7823435
    Abstract: A die clamp mechanism includes: a plunger that protrudes from a lower side of a carrier when the carrier on which a bolster is mounted is separated from a bed of a press machine and plunges into the lower side of the carrier when the carrier is grounded on the bed; a biasing member that biases the plunger downward; and an engaging member that engages a die with the bolster in accordance with an axial movement of the plunger when the plunger plunges into the lower side of the carrier.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: November 2, 2010
    Assignee: Komatsu Ltd
    Inventors: Eigo Bandou, Katsuhiro Takano
  • DIE CLAMP MECHANISM FOR PRESS MACHINE
    Publication number: 20090031780
    Abstract: A die clamp mechanism includes: a plunger that protrudes from a lower side of a carrier when the carrier on which a bolster is mounted is separated from a bed of a press machine and plunges into the lower side of the carrier when the carrier is grounded on the bed; a biasing member that biases the plunger downward: and an engaging member that engages a die with the bolster in accordance with an axial movement of the plunger when the plunger plunges into the lower side of the carrier.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 5, 2009
    Applicant: KOMATSU LTD.
    Inventors: Eigo Bandou, Katsuhiro Takano