US PATENT SUBCLASS 414 / 279
.~.~.~ Device includes self-powered, track-guided car

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

266  DF  PLURAL, STATIC STRUCTURES FOR SUPPORTING DISCRETE LOADS AND CHARGING OR DISCHARGING MEANS THEREFOR {1}
267  DF  .~ Load-underlying members (e.g., racks, receptacles (or a compartmented receptacle), shelves, troughs, etc.) {7}
277  DF  .~.~ Charging or discharging means includes load sustaining surface and device to transfer load, with horizontal component of movement, from or to surface or member {3}
279.~.~.~ Device includes self-powered, track-guided car

DEFINITION

Classification: 414/279

Device includes self-powered, track-guided car:

(under subclass 277) Apparatus in which the transfer device includes a self-powered vehicle which travels on and is guided by tracks which are located on the surface and the member.