Apparatus for performing plural operations on a common workpiece

Details Apparatus for performing plural operations on a common workpiece Apparatus for performing plural operations on a common workpiece

1986-12-12

1988-07-12

Garrett, Robert E.

Expansible chamber devices

Relatively movable working members

Rigid stem on first working member portion extends through...

92150, 92151, 219 7815, F01B 710, B23K 1100

Patent

active

047562382

ABSTRACT:
An actuator including a first cylinder chamber and a second cylinder chamber defined as separate entities in a cylinder for receiving a first piston and a second piston therein respectively. One of the first and second cylinder chambers is connected to an oil pressure source and the other cylinder chamber is connected to an air pressure source. A piston rod of the first piston and a piston rod of the second piston which move in relative sliding movement have at their forward ends separate operating portions for performing operations on a common workpiece.

REFERENCES:
patent: 3631760 (1972-01-01), Moran
patent: 4609805 (1986-09-01), Tobita et al.

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