Machine for the root-pruning of plants growing in rows

Details Machine for the root-pruning of plants growing in rows Machine for the root-pruning of plants growing in rows

1978-03-30

1980-06-17

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

With non-driven tool

172 60, 172118, A01B 3912

Patent

active

042079497

ABSTRACT:
A machine is provided for the root-pruning of plants growing in rows, such that the root system of the plants will be small in circumference but finely-branched. The machine has, for each plant row, a knife unit for forming a groove in the ground and root-pruning the plants. Each knife unit comprises a first and second knife, wherein the first knife is forward of the second knife and lies in a vertical plane parallel to the direction of travel of the machine. The second knife has a cutting blade comprising a substantially vertical blade portion and a substantially horizontal blade portion. The first and second knives are rigidly interconnected and arranged for reciprocatory movement in a direction parallel to the direction of travel of the machine. A compactor is disposed behind the second knife for reclosing the groove made in the ground by the knife unit.

REFERENCES:
patent: 774254 (1904-11-01), Klamfoth
patent: 801601 (1905-10-01), Morrow
patent: 1310569 (1919-07-01), Holforty
patent: 1360775 (1920-11-01), Moore
patent: 1633232 (1927-06-01), Sievers
patent: 2199674 (1940-05-01), Ronning
patent: 2438598 (1948-03-01), Bell
patent: 3747686 (1973-07-01), Beck
patent: 3799079 (1974-03-01), Dietrich
patent: 3967564 (1976-07-01), Emling
patent: 4102403 (1978-07-01), Steinberg

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