Earth working – With drive means for tool or cleaner – With specific relationship of mast-type hitch to implement
Patent
1975-05-29
1977-11-22
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
With specific relationship of mast-type hitch to implement
172 59, 172 68, 172 71, 172776, 111 63, A01B 4906
Patent
active
040591603
ABSTRACT:
A rotary harrow has a transverse frame, including an elongated hollow beam, and rotatable soil working tined members are mounted on upwardly extending shafts journalled in the beam. A supporting elongated roller has arms that adjustably connect to the frame and the roller also extends transverse to the direction of travel, at the rear of the beam. Vertical plate supports on the top of the beam extend upwardly and rearwardly and a tool bar is interconnected to the rearmost extremities of the supports so that seed drills, etc. can be secured in place to the rear of the soil working members. The tool bar also extends transverse and across the width of the frame.
REFERENCES:
patent: 40403 (1863-10-01), Gray
patent: 89791 (1869-05-01), Quick
patent: 3316865 (1967-05-01), Williams
patent: 3465828 (1969-09-01), Harris
patent: 3627059 (1971-12-01), Jackson et al.
patent: 3661213 (1972-05-01), Taylor
patent: 3698489 (1972-10-01), Norrell et al.
Bom Cornelis Johannes Gerardus
van der Lely Ary
C. van der Lely N. V.
Shapiro Paul E.
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