US PATENT SUBCLASS 414 / 315
.~.~.~.~ Condition responsive

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

288  DF  STATIC RECEPTACLE AND MEANS FOR CHARGING OR DISCHARGING, OR FACILITATING THE CHARGING OR DISCHARGING OF, THE RECEPTACLE {7}
304  DF  .~ Nongravity discharging means {4}
305  DF  .~.~ Including at least one discharge assistant of the compound motion type {2}
313  DF  .~.~.~ Having compound motion assistant operating on top of material {6}
315.~.~.~.~ Condition responsive {1}
316  DF  .~.~.~.~.~> To maintain material surface horizontal

DEFINITION

Classification: 414/315

Condition responsive:

(under subclass 313) Apparatus wherein means is provided to sense a condition of the receptacle, apparatus or material during a discharging operation, and additional means is provided to respond to the information obtained by the first means by initiating action on the part of a top-located assistant to correct or otherwise change the existing condition if it is other than the desired or intended one.