US PATENT SUBCLASS 29 / 263
.~.~.~.~ Tubular or tube segment 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}
263.~.~.~.~ Tubular or tube segment forms work-engager {2}
264  DF  .~.~.~.~.~> Screw threaded work-engager
265  DF  .~.~.~.~.~> Movable grippers on screw

DEFINITION

Classification: 29/263

Tubular or tube segment forms work engager:

(under subclass 258) Apparatus in including a work engager in the form of a tube or the segments of a tube.

(1) Note. The tubular or tube segment work engager may be an integral portion of the nut.

SEE OR SEARCH THIS CLASS, SUBCLASS:

280, for other tubular work engager having article gripping detents.