Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1978-06-09
1981-02-10
Knowles, Allen N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209934, 209651, 198367, 198372, B65G 4730
Patent
active
042496616
ABSTRACT:
The invention comprises one or more feed conveyors in communication with a sorting conveyor, so that items placed on the feed conveyors can be transferred to the sorting conveyor. Where more than one feed conveyor is used, their outputs are first run through a merge conveyor so that the outputs are compatible with use of a single sorting conveyor. A device for reading a code that has been placed on the item to be sorted is provided and a computing device to which such reader is connected is programmed to determine which diverter is to be activated by a particular code read by the reader. A timing device is provided that, when used in conjunction with the computing device, integrates the travel time of an item along the sorting conveyor to determine when the item has reached the particular diverter required to be activated to cause the item to be properly sorted. A control signal emanates from the computing device when the timer has completed its cycle and is used to switch on the pertinent diverter. Each diverter has two deflectors and an endless drive system to which the deflectors are attached in such a way as to cause them to move in a direction transverse to that of the sorting conveyor. The deflectors are mounted 180.degree. away from each other on the endless drive system so that when one deflector has been used to cause a diversion in a particular direction, the other deflector is in place to be used for the next diversion.
REFERENCES:
patent: 3170572 (1965-02-01), Harrison
patent: 3955678 (1976-05-01), Moyer
Knowles Allen N.
Nitkin William
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