Apparatus for performing plural operations on a common workpiece
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United States of America Patent
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Jul 12, 1988
Grant Date -
N/A
app pub date -
Dec 12, 1986
filing date -
Dec 12, 1986
priority date (Note) -
Expired
status (Latency Note)
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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.
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