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Title:
SUPPORT MECHANISM FOR CHUCK TABLE AND CHUCK TABLE MECHANISM
Document Type and Number:
Japanese Patent JP2008279526
Kind Code:
A
Abstract:

To provide a support mechanism for a chuck table and a chuck table mechanism capable of achieving assembling so that the center of a rotating shaft of the chuck table corresponds to the rotation center of a bearing.

The support mechanism for the chuck table holding workpieces is equipped with a cylindrical fixation support member and with a cylindrical rotation support member rotatably externally fitted to the outer periphery of the cylindrical fixation support member via a bearing means and having a chuck table support part at the upper end. The bearing means comprises a first annular groove formed on the outer peripheral face of the cylindrical fixation support member, a second annular groove formed on the inner peripheral face of the cylindrical rotation support member so as to oppose to the first annular groove, and a plurality of steel balls arranged between the first and second annular grooves.


Inventors:
YOSHIDA KEIGO
YASUDA SHINYA
IZUMI KUNIHARU
Application Number:
JP2007123714A
Publication Date:
November 20, 2008
Filing Date:
May 08, 2007
Export Citation:
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Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B23Q1/52
Domestic Patent References:
JPS63174841A1988-07-19
JP2003020686A2003-01-24
JPH08320017A1996-12-03
JPS5526623U1980-02-21
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki