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    PROBE SUPPORTING DEVICE FOR CIRCULARITY MEASURING APPARATUS
    2.
    发明专利
    PROBE SUPPORTING DEVICE FOR CIRCULARITY MEASURING APPARATUS 失效

    公开(公告)号：JPH06300505A

    公开(公告)日：1994-10-28

    申请号：JP10983193

    申请日：1993-04-14

    Applicant: KOSAKA LAB

    Inventor： TANAKA NOBUAKI

    IPC: G01B5/20 ,  G01B5/012 ,  G01B5/28

    Abstract: PURPOSE:To change a direction of a probe in a single operation and prevent position deviation of a probe tip before and after the direction change. CONSTITUTION:A support shaft 19 is freely rotatable at a tip of a connection arm 16, and inclined by 45 degrees with respect to a support pin 42 of an end of a support arm 8. In order to change a direction of a probe 13 of a displacement detector 11 the support shaft 19 is rotated. In spite of this rotation, a tip 13a of the probe 13 is never deviated from an intersection of a center line (b) of the support shaft 19 with a center line (c) of the support pin 42.

    ARTICLE POSITIONING METHOD
    5.
    发明专利
    ARTICLE POSITIONING METHOD 失效

    公开(公告)号：JPS6093306A

    公开(公告)日：1985-05-25

    申请号：JP19991783

    申请日：1983-10-27

    Applicant: KOSAKA LAB

    Inventor： MATSUMOTO FUMIO ,  OMINO TAKEHISA ,  TANAKA NOBUAKI

    IPC: B23Q17/20 ,  B23Q17/22 ,  G01B13/00

    Abstract: PURPOSE:To make precise measurement possible in case of measurement of the shape of an article such as out of roundness or the like, by jetting compressed air uniformly from a jetting member consisting of a porous material and fitting an object to be measured to this jetting member with a narrow gap between them to hold the objet to be measured in the stable state. CONSTITUTION:Compressed air is supplied to an air chamber 11 provided in a supporting plate 7, which is supported freely rotatably on a base plate 10 through a thrust bearing 9, through an air path 12. Compressed air is jetted uniformly from the outside face of a part projected from the supporting plate 7. The outside diameter of a jetting member 8 is so determined that the inside diameter of a cylindrical object 1 to be measured whose center should be obtained is slightly larger than the outside diameter of the jetting member 8 and the object 1 to be measured can be fitted easily to the jetting member 8. Even if the gap between the inside circumferential face of the object 1 to be measured and the outside circumferential face of the jetting member 8 is not uniform, this ununiformity is corrected immediately, and the width of the gap is made uniform throughout the circumference. Thus, the center of the object 1 to be measured coincides with the center of the jetting member 8.

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