Patents by Inventor Yasunari BABA

Yasunari BABA 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).

  • Publication number: 20220371209
    Abstract: A workpiece gripping device (10) for securing a workpiece (90) on a table 114 of a machine tool (100) is provided with a workpiece gripping unit (20) having at least three claws (12) which are disposed at equal intervals around a central axis (Oc) to secure an outer peripheral part of the workpiece, a bar gripping member (38) which is mounted on the central axis (Oc), and grips a bar (260) inserted into the workpiece (90) along the central axis (Oc), and a retraction mechanism (64) for retracting the bar gripping member (38) along a central axis (O) toward a table side.
    Type: Application
    Filed: October 28, 2020
    Publication date: November 24, 2022
    Applicant: MAKINO MILLING MACHINE CO., LTD.
    Inventors: Yasunari BABA, Kouji ONO, Masato ISHII, Junichi MAEDA, Hiroshi UENO