Soil treatment liquid injection device

Planting – Liquid or gas soil treatment – Hand manipulated

Patent

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Details

13762511, 172427, 222 70, A01C 2302

Patent

active

041788605

ABSTRACT:
Disclosed herein is a device for introducing soil treatment liquids into the ground including a plurality of injection tines having a downwardly directed tip portion and connected to a rotatable crankshaft for reciprocative movement between a raised or non-injection position and an injection position wherein the tine portion is located beneath the ground surface. Flow of the treatment liquid to the tines is controlled by a rotary flow distribution valve which is connected directly to a chain drive sprocket mounted on the crankshaft and which is arranged to selectively supply the treatment liquid to the tines only when they are in the injection position. Each tine has a generally spherical tip made from a high aluminum ceramic material and an internal check valve located near the tip for minimizing the amount of residual liquid which can be shaken from the tine while it is in the non-injection position.

REFERENCES:
patent: 2087296 (1937-07-01), Parsons
patent: 3025806 (1962-03-01), Peck
patent: 3054393 (1962-09-01), Schmidt
patent: 3136274 (1964-06-01), Townsend
patent: 3467278 (1969-09-01), Williams
patent: 3469379 (1969-09-01), Hubbard
patent: 3586109 (1971-06-01), Eversole et al.
patent: 3614061 (1971-10-01), Fitzpatrick
patent: 3636897 (1972-01-01), Brink
patent: 3926131 (1975-12-01), Collins
patent: 4034686 (1977-07-01), Collins

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