US PATENT SUBCLASS 29 / 266
.~.~.~.~ Plate or bar forms work-engager

Current as of: June, 1999
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29 /   HD   METAL WORKING

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
244  DF  .~ Puller or pusher means, contained force multiplying operator {11}
256  DF  .~.~ Having screw operator {2}
258  DF  .~.~.~ Central screw, work-engagers around screw {3}
266.~.~.~.~ Plate or bar forms work-engager

DEFINITION

Classification: 29/266

Plate or bar forms work-engager:

(under subclass 258) Apparatus in which the work engagers are in the form of a plate or bar, the screw extending through the center of the plate or bar.