US PATENT SUBCLASS 212 / 198
.~.~.~ On wheeled carriage

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

195  DF  HAVING COUNTERWEIGHT OR COUNTERBALANCING MEANS {1}
196  DF  .~ Counterweight movable relative to load support {1}
197  DF  .~.~ Along rectilinear path {1}
198.~.~.~ On wheeled carriage

DEFINITION

Classification: 212/198

On wheeled carriage:

(under subclass 197) Apparatus wherein the mass is either provided with wheels or is carried by a wheeled vehicle, and is adapted to travel along a guideway provided with the apparatus.