US PATENT SUBCLASS 269 / 279
.~.~.~ Selective

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

86  DF  RELATIVELY MOVABLE JAWS {25}
257  DF  .~ Jaw features {3}
271  DF  .~.~ Attachment(s) and/or insert(s) {6}
279.~.~.~ Selective {1}
280  DF  .~.~.~.~> By substitution {4}

DEFINITION

Classification: 269/279

(under subclass 271) Device including attachment or insert fastening means (or mounting means) providing for the choice of one of plural available work-contacting portions.

(1) Note. Included here, for example, are patents to a device with a swivel mounted attachment so that as desired one of several faces may be presented to engage work.