Centering and self-adjusting chuck
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United States of America Patent
Stats
-
Nov 17, 1981
Grant Date -
N/A
app pub date -
Oct 12, 1979
filing date -
Oct 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A centering and self-adjusting chuck for clamping stock includes at least three circumferentially spaced dependent jaws that initially are displaced by being simultaneously radially inwardly driven equal distances under low pressure to center the stock positioned therebetween and further includes at least three other circumferentially spaced independent jaws that are then independently displaced by being radially inwardly driven under low pressure any distance required to have each such independent jaw engage the centered stock, the dependent and independent jaws finally being displaced by being simultaneously radially inwardly driven under higher pressure tightly and uniformly to clamp the stock therebetween for subsequent machining.
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