Compensating and/or centralizing grip chuck
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 1, 1991
Grant Date -
N/A
app pub date -
Jun 4, 1990
filing date -
Jun 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chuck is disclosed which has article gripping member each having a pivot portion intermediate its ends about which the member pivots as the chuck is opened and closed. The members are each caused to pivot by a pin which passes through a slot in the member adjacent the inner end of the member remote from the workpiece gripping outer end thereof. Movement of the pin lengthwise of slot causes the member to pivot. The slot in which the pin is seated is elongated lengthwise of the member and is inclined to the central axis of the member at a very minor angle whereby the centrifugal forces generated by operation of the chuck cannot generate sufficient force to cause the pin to move lengthwise of the seat and thus permit the jaw to release the workpiece.
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