US PATENT SUBCLASS 279 / 115
.~.~ Worm

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

110  DF  RADIALLY RECIPROCATING JAWS {9}
114  DF  .~ Spiral cam or scroll actuated {2}
115.~.~ Worm

DEFINITION

Classification: 279/115

(under subclass 114) Devices wherein the spiral scroll has a gear engaged by a worm to rotate it.