US PATENT SUBCLASS 279 / 122
.~ External-cone actuated

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

110  DF  RADIALLY RECIPROCATING JAWS {9}
122.~ External-cone actuated

DEFINITION

Classification: 279/122

(under subclass 110) Devices provided with an external cone-sleeve adapted by its movement to wedge the jaws closed.