Workpiece securing apparatus for a machine tool

Work holders – Relatively movable jaws – Clamp couple element with fastening means

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Details

269100, 269137, 269228, 269303, 269900, B23Q 306

Patent

active

047114371

ABSTRACT:
A workpiece is clamped to the table of a machine tool by a toggle clamp or edge clamp supported for rotation by the head portion of a stud threaded into a hole within a member secured to the table. The member may comprise a column or a column extender each having a frame with precisionly attached plates having X-Y grid patterns of alternating threaded holes and precision bores. A grid or base plate with an X-Y pattern of holes and bores may also receive an angle plate which also has an X-Y grid pattern of threaded holes and precision bores in addition to counterbores and precision angle positioning bores which receive pins for precisely locating the angle plate at a selected predetermined angle relative to the grid or base plate. The workpiece may also be secured to T-slot plates which are retained in precision locations on a base plate to define precision T-slots for receiving T-nuts.

REFERENCES:
patent: 4073215 (1978-02-01), Coope et al.
patent: 4286778 (1981-09-01), Follmeyer
patent: 4310963 (1982-01-01), Blumle
patent: 4335873 (1982-06-01), Kiefer
patent: 4429862 (1984-02-01), Niedecker
patent: 4489927 (1984-12-01), Yamada et al.
patent: 4549727 (1985-10-01), Kozar
patent: 4585217 (1986-04-01), Erickson
patent: 4630811 (1986-12-01), Rudisill

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