Rotary harrows

Details Rotary harrows Rotary harrows

1975-06-26

1977-04-19

Bagwill, Robert E.

Planting

Liquid or gas soil treatment

Hand manipulated

172 59, 172 68, A01C 2302

Patent

active

040181707

ABSTRACT:
A soil cultivating implement or rotary harrow has a row of soil-working members rotatably mounted on upwardly extending shafts. Driving means rotates the shafts and tools, preferably tines, are moved through the soil to work same. Fluid material from a container on a supporting structure is passed in the worked soil through injectors located adjacent the soil-working members. The injectors can be tubes arranged on a support in staggered formation across the working width of the implement, or each soil-working implement can comprise one or more injectors. The injectors extend into the ground and conduct fluid through ducts and passages from the container into the ground. A roller at the rear of the injectors smooths the worked soil.

REFERENCES:
patent: 617112 (1899-01-01), Mackay
patent: 1725190 (1929-08-01), Hicks
patent: 2827005 (1958-03-01), Calkins
patent: 2912944 (1959-11-01), Snow et al.
patent: 3111917 (1963-11-01), Dawrs
patent: 3143090 (1964-08-01), Cecil et al.
patent: 3310011 (1967-03-01), Miller
patent: 3602166 (1971-08-01), Peterson
patent: 3610184 (1971-10-01), Carroll
patent: 3799079 (1974-03-01), Dietrich
patent: 3885633 (1975-05-01), VAN DER Lely

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