US PATENT SUBCLASS 212 / 333
.~.~.~.~ With guide bar


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

71  DF  OVERHEAD {7}
328  DF  .~ Self-propelled trolley {2}
330  DF  .~.~ Load-handling {1}
331  DF  .~.~.~ Electric {2}
333.~.~.~.~ With guide bar {2}
334  DF  .~.~.~.~.~> With grab
335  DF  .~.~.~.~.~> With ladle


DEFINITION

Classification: 212/333

With guide bar:

(under subclass 331) Subject matter which comprises some form of rigid or semirigid linkage or similar device for connecting the hoisting trolley with the load.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318, for similar devices using a trolley on a traveling bridge.