Method of driving ejector pins to eject formed parts
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United States of America Patent
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-
May 28, 2002
Grant Date -
Apr 11, 2002
app pub date -
Sep 27, 2001
filing date -
Sep 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of driving part ejector pins at a high cycle rate by a reversible servo motor rotating a crank unidirectionally to advance a pin mounting structure from a retracted position to an advanced eject position, and back to the retracted position, and reversing the motor to repeat the cycle with only a single motor reversal.
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