Rotary pneumo-hydraulic clamp

Details Rotary pneumo-hydraulic clamp Rotary pneumo-hydraulic clamp

1990-07-30

1991-09-03

Bilinsky, Z. R.

Metal founding

Stripper or ejector

279 1S, 279 4, 279 38, 279107, B22D 2900

Patent

active

050444212

ABSTRACT:
A rotary clamping device is used to clamp an investment casting within a cleaning center to permit cutting and cleaning of the investment from the casting. The clamping device includes a piston and cylinder unit which is advanced to shift a clamping assembly into clamping relation with an investment casting, and is retracted to release the clamping assembly. Hydraulic pressure is used to advance piston rod of the piston and cylinder unit, and pneumatic pressure is used to retract the piston rod. Rotary drive means are connected to the clamping device for selectively rotating the same in clockwise and counterclockwise directions.

REFERENCES:
patent: 895438 (1908-08-01), Delany

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