Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1976-07-21
1978-08-29
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 68, 172552, A01B 3306, A01B 4902, A01B 2700
Patent
active
041097319
ABSTRACT:
A cultivating implement has a row of soil working members that are driven about upwardly extending axes to work overlapping strips of soil. At the rear of the soil working members, a soil crumbling roller is positioned and the periphery of the roller is formed by groups of elongated elements. Each group has bends orientated to the rear, relative to the roller's direction of rotation and the bends are located between adjacent soil working members to receive worked soil and distribute the further crumbled soil. Each soil working member has arms and at the ends of the arms, tined soil working tools are mounted for free rotation about respective upwardly extending axes. Drive to the members is accomplished via coaxial shafts one of which is geared to bevel gears and the shafts extend transverse to the direction of travel. The two shafts include an upper input shaft and a lower drive shaft that are interconnected via a change speed gear. A forward levelling roller or bar is pivoted to the frame and the forward roller, or bar, and rear roller pivot connections are at the sides of the frame, in general alignment with the working members' axes of rotation.
REFERENCES:
patent: 25736 (1859-10-01), Hogle
patent: 1782593 (1930-11-01), Zeilinger
patent: 2968355 (1961-01-01), Davis
patent: 3892278 (1975-07-01), Smith
patent: 3945441 (1976-03-01), Lely et al.
patent: 4006781 (1977-02-01), Lely
patent: 4018288 (1977-04-01), Lely
patent: 4044839 (1977-08-01), Lely
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