Patents by Inventor Tsuneto Sumida

Tsuneto Sumida 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).

  • Pallet exchange apparatus for machine tool
    Patent number: 6273236
    Abstract: A pallet exchange apparatus for a machine tool includes a horizontal rotary support for rotation about a vertical axis. A drive unit vertically moves and rotates the rotary support. The rotary support is flanked by a setup stand which is pivotable between a lying position for receiving a pallet and an upright position for transferring the received pallet onto the rotary support. Further, the rotary support has a plurality of pallet receivers each provided on the rotary support for receiving the pallet in an erect posture from the setup stand which has been pivoted to the upright position.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: August 14, 2001
    Assignee: Yasda Precision Tools K. K.
    Inventors: Yukihiko Yasuda, Tsuneto Sumida, Yoji Tanabe, Toshifumi Higuchi