US PATENT SUBCLASS 212 / 262
.~.~ Flexible cable

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

255  DF  HAVING VERTICALLY SWINGING BOOM {6}
260  DF  .~ Having means to swing boom vertically {2}
262.~.~ Flexible cable {1}
263  DF  .~.~.~> Human or animal powered

DEFINITION

Classification: 212/262

Flexible cable:

(under subclass 260) Apparatus wherein the means for swinging the boom* vertically includes a greatly elongated strand of flaccid material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

239, for corresponding structure for a horizontally and vertically swinging boom.