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1. 发明专利

JPS5548549A CENTERING HOLDER FOR ROUND SHAPE OBJECT 失效
公开(公告)号：JPS5548549A
公开(公告)日：1980-04-07
申请号：JP12298478
申请日：1978-10-05
申请人： OKUDA KOKI KK
发明人： KUSAKARI YOSHISUKE , TAMURA TOSHIAKI
IPC分类号： B23Q3/18
摘要： PURPOSE:A holder, whereby a round shape object, with a different diameter, can be made holding without changing its center position, and made centering at low cost with ease. CONSTITUTION:A small holding disk 1-3, having the same diameter, is assembled in place between disks 13, 14, having holes 11 of diameter enough bigger than an expected diameter range of a round shape object 10 to be made holding. And each center of the above described small disks 1-3 is located, from center of the hole 11, on the same circuference, in a position with its circumference equally divided into three, simultaneously to each small disk 1-3, on the line connecting the each center to the hole 11 center, is installed a rotatory axis in a direction of the disk 13 with a point 4-6, ecdentrically located from center of the hole 11 in the same direction by the same dimension, being the core axis, and a rotsation is made capable around the bearing on a point corresponding to the disk 13. Moreover, a position of each vertex of each small disk 1-3, when parallel shifting a congruent triangle to the regular triangle produced when connecting each point of the above described rotary axis 4-6, is made for the numeral 7-9, and linked to the corresponding point on the disk 14.

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