US PATENT SUBCLASS 279 / 130
.~ To counterbalance jaws

Current as of: June, 1999
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279 /   HD   CHUCKS OR SOCKETS

129  DF  BY CENTRIFUGAL FORCE {2}
130.~ To counterbalance jaws

DEFINITION

Classification: 279/130

To counterbalance jaws:

(under subclass 129) A device wherein the resultant force is used to maintain a constant gripping force by the means for making the connection on the object.