US PATENT SUBCLASS 269 / 244
.~.~.~ Screw held at ends for rotation only

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

86  DF  RELATIVELY MOVABLE JAWS {25}
216  DF  .~ Means to actuate jaw(s) (i.e., apply holding force) {10}
240  DF  .~.~ Screw-nut type {6}
244.~.~.~ Screw held at ends for rotation only

DEFINITION

Classification: 269/244

(under subclass 240) Device including means to support a threaded cylindrical element at both ends so that said element can be rotated without axial movement.

(1) Note. The rotation of the threaded cylindrical element causes a mating nut and its associated jaw to move axially of said element.