Title:
ANGLE INDEXING DEVICE FOR MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2008/050747
Kind Code:
A1
Abstract:
Provided is an angle indexing device for a machine tool, which comprises a housing having
a through hole, a rotary shaft having a rotating object member fixed at one end
and borne rotatably in the through hole of the housing by a bearing, and a drive
motor for driving the rotary shaft rotationally thereby to index the angular position
of the rotary shaft. The angle indexing device is characterized in that the bearing
is a double-row type roller bearing for bearing loads in an axial direction and
in a radial direction, and in that the rotary shaft is supported by two or more of
the bearings arranged at a spacing in the rotating axial direction.
Inventors:
TATSUDA YOSHINORI (JP)
Application Number:
PCT/JP2007/070616
Publication Date:
May 02, 2008
Filing Date:
October 23, 2007
Export Citation:
Assignee:
TSUDAKOMA KOGYO KABUSHIKIKAISH (JP)
TATSUDA YOSHINORI (JP)
TATSUDA YOSHINORI (JP)
International Classes:
B23Q1/52; B23Q1/40; F16C19/38
Foreign References:
| JP2000145794A | 2000-05-26 | |||
| JPH08105438A | 1996-04-23 | |||
| JPH02116137A | 1990-04-27 | |||
| JPH0810504A | 1996-01-16 |
Other References:
See also references of EP 2082829A4
Attorney, Agent or Firm:
NAKAGAWA, Kunio (Famille ShinjukuGrand-suite Tower 1303,21-8, Yoyogi 2-chome, Shibuya-ku Tokyo 53, JP)
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