Earth working – With drive means for tool or cleaner – Flails
Patent
1987-05-11
1989-09-05
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Flails
56 127, 56 152, 172 99, 172108, A01B 3300, A01D 5000, A01G 2306, B02C 1912
Patent
active
048629693
ABSTRACT:
A method for cultivating plantable soils, more particularly forest soils, by breaking-up and working-in plants and parts of plants lying upon the soil, for example leaves, needles, twigs and branches. To this end, a plurality of elements, flexible in all directions, tautened by centrifugal force, and secured to a shaft, are caused to rotate by the said shaft, the radius of rotation of the ends of the said elements being greater than the selected distance between the axis of rotation of the shaft and the surface of the ground. In order to be able to mechanically cultivate larger areas of substantially uneven and non-homogeneous forest soils, the horizontal axis of rotation of the shaft is also subjected to an oscillating pivoting motion about a vertical axis, the axis of rotation of the shaft being kept substantially radial to the pivot-axis and being moved in a circle which is parallel to the surface of the ground. Arranged upon the vehicle is a superstructure which is adapted to rotate in relation to the said chassis and upon which the shaft is mounted substantially radially to the pivot-axis. The superstructure and the shaft are motor-driven.
REFERENCES:
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patent: 3754603 (1973-08-01), Bogel
patent: 4328660 (1982-05-01), Simmons
patent: 4698925 (1987-10-01), Jones
Jobst Egon
Jobst Georg
G & E Jobst GmbH
Johnson Richard J.
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