US PATENT SUBCLASS 414 / 548
.~.~.~ Unloader actuated by gravity-influenced load

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

467  DF  SELF-LOADING OR UNLOADING VEHICLES {8}
539  DF  .~ Loading or unloading by other carrier or mover means, and the load movement thereof {3}
546  DF  .~.~ Raising or lowering of load or load holder includes curvilinear movement {8}
548.~.~.~ Unloader actuated by gravity-influenced load

DEFINITION

Classification: 414/548

Unloader actuated by gravity-influenced load:

(under subclass 546) Apparatus wherein the carrier or mover receives a load at a first elevation and is caused, by the weight of the load, to descend with the load to a second elevation.