Article dispensing – With recorder – register – indicator – signal or exhibitor – Dispenser operated display device
Patent
1977-08-03
1979-06-26
Tollberg, Stanley H.
Article dispensing
With recorder, register, indicator, signal or exhibitor
Dispenser operated display device
111 1, A01C 718
Patent
active
041590643
ABSTRACT:
A monitor for use with a multiple row seed planter including a hopper for holding a supply of seeds, a plurality of conduits for carrying seeds to corresponding planting rows, a variable speed rotatable drum for receiving seeds from the hopper and delivering seeds to the conduits, a variable pressure air blower for supplying pressurized air to the hopper and drum to facilitate the seed delivery and a voltage supply source from a tractor or other vehicle pulling the planter. The monitor includes a plurality of sensors for providing a plurality of electrical signals corresponding to the above-mentioned planter functions. The monitor also includes an electronic circuit connected with selected sensors for receiving the electrical signals and for producing a display, as selected by an operator, of the values of the aforementioned functions including a count of the seeds passing through each of the conduits, the value of the air pressure applied to the drum, a rotation count of the drum, and the number of seeds passing through each conduit per drum revolution. The circuits also include circuits connected to selected sensors for producing an alarm signal in response to predetermined conditions of the functions associated therewith, including the level of seeds contained in the hopper, the value of the voltage supplied to the monitor, the rate of passage of seeds through the conduits, and the rotational speed of the drum.
REFERENCES:
patent: 3927400 (1975-12-01), Knepler
Dickey-john Corporation
Tollberg Stanley H.
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