Soil treating device

Earth working – With drive means for tool or cleaner – Plural driven tools

Patent

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Details

172 59, 172111, 15 28, 15 501, 15 87, A01B 4502

Patent

active

056670192

ABSTRACT:
The invention relates to a soil treating device comprising at least one working element rotatably driven by a rotation shaft and a frame accommodating the working element and displaceable practically parallel to the ground, characterized in that the rotatable working element consists of a plurality of contact elements intended for ground working and fixed in a holder, wherein at least a part of the contact elements lies at different distances from the rotation shaft.

REFERENCES:
patent: 1691351 (1928-11-01), Hicks
patent: 2050120 (1936-08-01), Pizarro
patent: 2193157 (1940-09-01), Ayo
patent: 2531557 (1950-11-01), Dayton
patent: 2805612 (1957-09-01), Beard
patent: 3135985 (1964-06-01), Hulst
patent: 3781937 (1974-01-01), Jacobs
patent: 5054559 (1991-10-01), Paul
patent: 5228521 (1993-07-01), Sing
patent: 5477927 (1995-12-01), Figura

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