US PATENT SUBCLASS 212 / 120
.~.~.~ Carrier sheave-operated

Current as of: June, 1999
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212 /   HD   TRAVERSING HOISTS

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
117  DF  .~.~ Rope carriers {4}
120.~.~.~ Carrier sheave-operated

DEFINITION

Classification: 212/120

Carrier sheave operated:

(under subclass 117) Rope carriers which are placed in position by the coaction of a traveling rope and a sheave on the carrier.