US PATENT SUBCLASS 269 / 187
.~.~.~.~ With continuous screw thread

Current as of: June, 1999
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269 /   HD   WORK HOLDERS

86  DF  RELATIVELY MOVABLE JAWS {25}
165  DF  .~ Means for direct manual adjustment of jaw(s) {5}
172  DF  .~.~ With relative axial shift of screw-nut actuating means {4}
184  DF  .~.~.~ Interrupted thread type {3}
187.~.~.~.~ With continuous screw thread

DEFINITION

Classification: 269/187

(under subclass 184) Device including an unmutilated externally threaded element.