Cultivator with screening device

Details Cultivator with screening device Cultivator with screening device

1976-01-26

1977-09-27

Burr, Edgar S.

Earth working

With drive means for tool or cleaner

Plural driven tools

172112, A01B 3306

Patent

active

040505200

ABSTRACT:
A cultivator having rotatable soil-working tines on supports has a screening element pivotally connected to the front of the frame to extend downwardly near the supports. Springs bias the screening element to a position adjacent the tines to prevent damage by stones encountered during operation. Adjustment members permit the vertical adjustment of the screening element relative to the tines.

REFERENCES:
patent: 2582364 (1952-01-01), Tice
patent: 2599883 (1952-06-01), Aske
patent: 3066743 (1962-12-01), Hines
patent: 3542133 (1970-11-01), Lely
patent: 3557879 (1971-01-01), Lely
patent: 3661213 (1972-05-01), Taylor

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