Fixing device of workpieces for wire spark erosion machines

Details Fixing device of workpieces for wire spark erosion machines Fixing device of workpieces for wire spark erosion machines

1982-07-13

1985-05-21

Watson, Robert C.

Work holders

Holder mounted for movement

Including means to shift holder position

269101, 269236, 269283, 269309, B25B 102

Patent

active

045181551

ABSTRACT:
The device comprises a generally L-shaped angle plate or base plate bearing a first jaw on the shorter leg of the "L", fixing plates and a slider capable of being shifted along the base plate and bearing a second jaw. The base plate is fixed at three points to fixing plates and is adjustable with respect to the fixing plates by means of vertical adjusting screws mounted in the base plate and acting upon supports movably resting against the fixing plates. Side or lateral adjusting screws acting against a pin attached to one of the fixing plates permit the base plate to effect a limited angular displacement about a ball disposed in the region of the base plate defined by the intersection of the legs of the "L". The device permits an accurate positioning and orientation of a workpiece relative to the wire of a spark erosion machine and to the direction of this wire in its working position.

REFERENCES:
patent: 824000 (1906-06-01), Elmer
patent: 1393083 (1921-10-01), Campbell
patent: 1442633 (1923-01-01), Strand
patent: 1450940 (1923-04-01), Cobb
patent: 1825460 (1931-09-01), Kappner
patent: 1834294 (1931-12-01), Spahn
patent: 2190585 (1940-02-01), Rhinevault
patent: 3063707 (1962-11-01), Kelley
patent: 3849857 (1974-11-01), Murray
patent: 4012030 (1977-03-01), Hasselgren
patent: 4381105 (1983-04-01), Goff et al.
patent: 4390172 (1983-06-01), Gotman
patent: 4417843 (1983-11-01), Bonga

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