Two stage chuck
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United States of America Patent
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-
Jan 20, 1987
Grant Date -
N/A
app pub date -
Sep 4, 1984
filing date -
Sep 4, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chuck assembly having jaws to grip an annular work-piece on its outer periphery while machining other surfaces including a face and bore and an expansible element to grip the bore surface of the annular work-piece while machining the outer surfaces and a face, with mechanism for actuating the jaws and expansible element alternately, the parts supporting the jaws and expansible element comprising an assembly adapted for mounting on the headstock of a lathe to permit machining of the work-piece by tools carried on the tool holders normally present in a lathe.
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