Die-head of cutting machines
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United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
May 7, 1979
filing date -
May 9, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A die-head of a cutting machine having a pair of relatively rotatable annular plates which retractably hold therebetween cutting tools extending in radial directions, one of the plates being provided with a tool retracting lever which is pivotably mounted thereto and which is engaged by a slide which is slidably arranged on one plate and which tends to rotate together with the other plate by a spring force, the slide being slide to cause relative rotation between the two plates when the lever is pivotally moved by a workpiece which extends axially in the plates.
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