Plant dauber

Details Plant dauber Plant dauber

1979-10-15

1984-04-24

Feyrer, James R.

Plant husbandry

Plant surface contact material applicator

A01M 2100

Patent

active

044439709

ABSTRACT:
A contact bar of permeable, absorbant, exudative material such as a paint roller is attached by a spring bar to a mounting bracket. The contact bar is moistened with a treatment liquid such as a herbicide. Each time the contact bar rubs against a plant, additional herbicide is applied to the contact bar, e.g., a spring arm, carrying the contact bar, can be pushed back by the plant against a microswitch, which will open a solenoid valve. The opening of the solenoid valve may apply liquid to the contact bar by spraying the liquid from a nozzle onto the bar or by feeding liquid through a perforated tube under the surface of the material on the contact bar.

REFERENCES:
patent: 2979757 (1961-04-01), Smith
patent: 3728817 (1973-04-01), Huey et al.
patent: 3959924 (1976-06-01), Allen
patent: 4206569 (1980-06-01), Randolph
patent: 4208835 (1980-06-01), Roll et al.

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