CHUCK DEVICE

WIPO Patent Application WO/2017/022118

A1

The present invention addresses the problem of providing a chuck device (1) wherein a structure is simple, and a replaceable member (3) can be easily replaced. The chuck device (1) is provided with a chuck main body (2), the replaceable member (3), an axis direction regulation mechanism (4), and a circumferential direction regulation mechanism (5). The axis direction regulation mechanism (4) has: a circumferential direction trench section (40), which is provided by being recessed in one of the chuck main body (2) and the replaceable member (3), and which extends in the circumferential direction; and a diameter direction protruding section (41), which is disposed on the other one of the chuck main body (2) and the replaceable member (3), and which can protrude in the diameter direction. The circumferential direction regulation mechanism (5) has: an axis direction recessed section (50), which is disposed in one of the chuck main body (2) and the replaceable member (3), and which is provided by being recessed in the axis direction; and an axis direction protruding section (51), which is disposed on the other one of the chuck main body (2) and the replaceable member (3), and which can protrude in the axis direction.

MIURA TAKUYA (JP)
KIMURA TOSHITAKA (JP)
IMAMICHI TAKENOBU (JP)
ANDO MASATO (JP)

PCT/JP2015/072339

February 09, 2017

August 06, 2015

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FUJI MACHINE MFG (JP)

B23B31/10; B23B31/02; B23Q3/12

WO2014027466A1

2014-02-20

JP2007152451A	2007-06-21
JPH03121706A	1991-05-23
US5971682A	1999-10-26
EP0418041A2	1991-03-20
US4812091A	1989-03-14

HIGASHIGUCHI Michiaki et al. (JP)

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