Universal jig fixture for castings

Details Universal jig fixture for castings Universal jig fixture for castings

1978-06-12

1980-05-20

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means in series with additional positioning...

269 94, 269296, 269321W, B23Q 308

Patent

active

042035821

ABSTRACT:
A universal jig fixture for tree castings includes longitudinally spaced port blocks mounted on a base structure, the support blocks having top openings with converging, sloping sides that engage similarly shaped sides on the runner of the casting, and hold down clamps for pressing the runner down on the support blocks. The casting is longitudinally located by a stop engaging a sprue cup of the casting or an end stop on the support block. The sprue cup includes a spring finger cup, and the hold down clamp can be fluid actuated. Lateral and vertical location of the casting by the support blocks; longitudinal location of the casting is by the sprue cup stop or the end stop.

REFERENCES:
patent: 1973238 (1934-09-01), Walter
patent: 2421957 (1947-06-01), Mead
patent: 3970296 (1976-07-01), Rameson

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