Metal working – Method of mechanical manufacture – Work holding
Patent
1999-04-27
2000-02-08
Scherbel, David A.
Metal working
Method of mechanical manufacture
Work holding
269 71, B23Q 700
Patent
active
060215607
ABSTRACT:
This invention relates to a table operating device for a machine tool having a table on which a work is mounted and a table lifting means for supporting the table and for vertically moving the table. The table operating device according to this invention has a vertically extended clamping member disposed underneath the table, a first reference plane provided on a side to the clamping member for positioning the table in a first direction on a horizontal plane; a second reference plane provided on a side to the clamping member for positioning the table in a second direction on the horizontal plane; a first pressing member for pressing the clamping member to the first reference plane; and a second pressing member for pressing the clamping member to the second reference plane.
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patent: 2771821 (1956-11-01), Beusch
patent: 4409860 (1983-10-01), Moriyama et al.
patent: 5239160 (1993-08-01), Sakura et al.
patent: 5408750 (1995-04-01), Teng et al.
patent: 5609332 (1997-03-01), Hassell
patent: 5685060 (1997-11-01), Tibbet
patent: 5921533 (1999-07-01), Miyamoto et al.
Miyamoto Nobuharu
Nakano Shinji
Scherbel David A.
Shanley Daniel G.
Shinnippon Koki Kabushiki Kaisha (Shinnippon Koki Co., Ltd.)
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