US PATENT SUBCLASS 406 / 22
.~.~.~ With timer to terminate current


Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

10  DF  WITH MEANS TO CONTROL CONVEYING FLUID OR MOVEMENT OF LOAD IN RESPONSE TO SENSED CONDITION {3}
12  DF  .~ Control of conveying fluid {4}
19  DF  .~.~ Responsive to presence or absence or quantity of load {4}
22.~.~.~ With timer to terminate current


DEFINITION

Classification: 406/22

With timer to terminate current:

(under subclass 19) Subject matter wherein a sensor which detects the presence or absence of the load activates a timing mechanism which in turn causes a controller to stop the conveying fluid current after a predetermined time interval.