US PATENT SUBCLASS 212 / 321
.~ Trolley mounted motor for trolley traversal via cable means

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

312  DF  TRAVELING BRIDGE {13}
321.~ Trolley mounted motor for trolley traversal via cable means

DEFINITION

Classification: 212/321

Trolley mounted motor for trolley traversal via cable means:

(under subclass 312) Subject matter wherein the traveling bridge* carries a trolley* on which is mounted a power means employed to pull an elongated flexible member, thereby moving the trolley along the bridge.