Chuck device for electrical discharge machine
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United States of America Patent
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Oct 20, 2009
Grant Date -
Oct 26, 2006
app pub date -
Mar 7, 2006
filing date -
Apr 20, 2005
priority date (Note) -
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Abstract
A chuck device for electrical discharge machine includes a mold fixed to the machine and a connector connected to the discharge head. The connector has a connection rod having a neck and the connection rod is connected to the mold. A plurality of protrusions extend from the top of the connector and each protrusion has a groove which is defined by two facing inclined surfaces. The mold has a plurality of positioning bars fixed to an underside thereof and each positioning bar has a taper-shaped body with two inclined sides. The positioning bars are engaged with the grooves and the two inclined sides of the positioning bar are in contact with the inclined surfaces of the groove. A distance is defined between the flanges and a top of the protrusion.
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