Scroll chuck device
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United States of America Patent
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-
Aug 30, 1983
Grant Date -
N/A
app pub date -
May 4, 1981
filing date -
Feb 13, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A scroll chuck device comprising an annular body, a ring plate which is rotatably fitted in the annular body and which has scroll grooves, jaw holders on the ring plate which have clamping jaws and which are engaged in the corresponding scroll grooves so that the relative rotational movement between the ring plate and the jaw holders causes the latter to radially move, and clutch means between the annular body and the ring plate.
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