Harrows

Details Harrows Harrows

1976-10-13

1977-08-23

Pellegrino, Stephen C.

Earth working

With drive means for tool or cleaner

Guided by walking attendant

172 59, 172111, 172532, A01B 3306, A01B 4902, A01B 3308

Patent

active

040434001

ABSTRACT:
This invention relates to harrows, such harrows being of the kind comprising a frame portion that is movable over the ground and that is provided with a plurality of soil working members or rotors arranged to turn about corresponding upwardly extending axes, the frame portion being sustained from the ground during the use of the harrow by a rotary supporting member.

REFERENCES:
patent: 763324 (1904-06-01), Roberts
patent: 1645115 (1927-10-01), Richardson
patent: 3032121 (1962-05-01), Carter
patent: 3220488 (1965-11-01), Becker
patent: 3774687 (1973-11-01), VAN DER Lely
patent: 3774688 (1971-07-01), VAN DER Lely et al.

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