Agricultural chemical applicator

Details Agricultural chemical applicator Agricultural chemical applicator

1994-06-03

1995-01-17

Raduazo, Henry E.

Plant husbandry

Material distributor with plant manipulating, cultivating or...

47 15, A01G 1300

Patent

active

053816242

ABSTRACT:
The present device relates to an agricultural chemical applicator for applying herbicides. The system is activated by a sensor bar having a plurality of conductive wire rod sensors. When a sensor contacts an unwanted plant, a detector and control circuit detects the current leakage and activates a time delay circuit which uses two timers in series and an opto-isolator to activate a solenoid valve. When a particular sensor is activated, a particular valve will be opened, thereby sending chemicals through a specific nozzle. Each sensor has its own circuit and its own nozzles.

REFERENCES:
patent: 3016653 (1962-01-01), Gardmer
patent: 3959924 (1976-06-01), Allen
patent: 4187638 (1980-02-01), Hardy et al.
patent: 4206569 (1980-06-01), Randolph
patent: 4257190 (1981-03-01), Dykes
patent: 4567689 (1986-02-01), Lemong
patent: 4709505 (1987-12-01), Lempa, Jr.
patent: 4991341 (1991-02-01), Douglas
patent: 5222324 (1993-06-01), O'Neall
Farm Journal, Dec., 1991, p. 184.

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