US PATENT SUBCLASS 104 / 223
.~.~.~ Screw

Current as of: June, 1999
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104 /   HD   RAILWAYS

165  DF  TRACTION {8}
173.1  DF  .~ Cable {22}
202  DF  .~.~ Grippers {19}
223.~.~.~ Screw

DEFINITION

Classification: 104/223

(under subclass 202) Grippers having screw devices for operating one or both of the gripping-jaws.