Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1976-03-03
1978-03-07
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 56, 172 59, 172 68, 172713, A01B 3306, A01B 3312
Patent
active
040774767
ABSTRACT:
A cultivating implement has an elongated frame portion and soil working members journalled in the frame portion to rotate about upwardly extending axes. Each soil working member has a single downwardly extending tine that is spaced from a shaft that defines the corresponding axis of rotation. The upper ends of the shafts of the members are secured to pinion gears and the gears of neighboring shafts are meshed with one another so that a power take off connection to a central pinion drives all of the pinions and adjacent soil working members rotate in relatively opposite directions. The members are staggered in two straight transverse rows so that their axes of rotation are arranged at the corners of an imaginary zig-zag line when the implement is viewed in plan and the members of a leading row are rotated in common in a direction opposite from those members of a rear row. The tines of the members in each row are preferably orientated in the same direction. A supporting open roller is adjustably interconnected to the frame to regulate the working depths of the tines.
REFERENCES:
patent: 30871 (1860-12-01), Crofoot
patent: D237527 (1975-11-01), VAN DER Lely
patent: 605631 (1898-06-01), Dallmann
patent: 1149126 (1915-08-01), Gerhard
patent: 2489204 (1949-11-01), Sprick et al.
patent: 3810434 (1974-05-01), VAN DER Lely et al.
patent: 3821989 (1974-07-01), VAN DER Lely et al.
patent: 3943999 (1976-03-01), VAN DER Lely et al.
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