Earth working apparatus

Details Earth working apparatus Earth working apparatus

1974-12-26

1976-03-30

Pellegrino, Stephen C.

Planting

Liquid or gas soil treatment

Hand manipulated

172438, 172491, 56 167, A01C 2302

Patent

active

039466817

ABSTRACT:
An earth working apparatus for use in agricultural pre-planting operations includes a first frame having laterally spaced ground engaging wheels and a second frame having a leading edge thereof pivotally mounted on the first frame adjacent a leading edge thereof and movable between a storage position and a working position. The second frame has a mower thereon for cutting vegetation extending above a ground surface and a first plurality of sweeps for opening a plurality of laterally spaced furrows to receive gaseous fertilizer therein and a second plurality of sweeps to close the furrows after introducing the gaseous fertilizer thereinto. The first plurality of sweeps each have a flow passage thereon for flow of gaseous fertilizer into the respective furrows from a storage and supply tank mounted on the first frame.

REFERENCES:
patent: 2764111 (1956-09-01), Collins
patent: 2782739 (1957-02-01), Freer
patent: 2853030 (1958-09-01), Dugan
patent: 3038424 (1962-06-01), Johnson
patent: 3745944 (1973-07-01), Yetter et al.
patent: 3854429 (1974-12-01), Blair

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