Implements for injecting substances below the surface of the soi

Details Implements for injecting substances below the surface of the soi Implements for injecting substances below the surface of the soi

1982-01-11

1984-01-24

Hafer, Robert A.

Planting

Liquid or gas soil treatment

Hand manipulated

111 52, 111 85, 111 86, 172619, 172633, 172657, 172180, A01C 2302

Patent

active

044269404

ABSTRACT:
A machine for burying slurry, sewage, or other soil-improving fluids has a hollow straight forward-leaning tine which carries at its bottom end an arched, forward-sloping delta-shaped shoe for lifting the soil into the form of a tunnel. The hollow interior of the tine opens through the roof of this shoe, and slurry is delivered through the tine into the cavity under the shoe. A free-running vibrator on the tine vibrates it and the shoe vertically. The tine is resiliently loaded by a spring to its working position, and the reaction of the spring is applied directly to a reaction lever separately pivoted on a subframe carrying the tine. The spring reaction biases the lever downwards, and the lever is supported at its rearward end behind the tine by a roller which closes the slit formed by the tapered leading edge of the tine.

REFERENCES:
patent: Re25307 (1954-04-01), Johnston
patent: 3231025 (1966-01-01), Bodine
patent: 3793967 (1974-02-01), van der Berg
patent: 3799079 (1974-03-01), Dietrich
patent: 3842764 (1974-10-01), Baur
patent: 3863721 (1975-02-01), Scerbo et al.
patent: 3865056 (1975-02-01), Danford
patent: 4014271 (1977-03-01), Rohlf et al.
patent: 4056226 (1977-11-01), Hodgson
patent: 4079593 (1978-03-01), Flippin
patent: 4232616 (1980-11-01), van der Lely

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