Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1975-10-17
1977-11-08
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 59, 172 63, 172 68, 172 70, 172103, 172713, 111 85, A01B 3306, A01B 3310, A01B 4906
Patent
active
040571106
ABSTRACT:
A harrow attachment has side-by-side rotary soil-working members mounted on upright axes journalled in a frame. A delivery mechanism with an elongated hopper and agitators and/or other feeding mechanisms can be connected to be rotatable and driven by the power take off of the prime mover or transmission connections from a rotary roller pivotably secured on arms to the frame to trail the working members. The working members are rotors with tines or earth working portions formed by a single metal sheet material which has been bent over to form two downwardly extending blades with lower parts that are inclined rearwardly. The blades are twisted so that leading cutting edges work overlapping paths and a horizontal portion of the rotors is secured by breakable bolts to upright shafts.
REFERENCES:
patent: 280751 (1883-07-01), Lux et al.
patent: 2205188 (1940-06-01), Coddigan et al.
patent: 2410273 (1946-10-01), Deubner
patent: 2670668 (1954-03-01), Konig
patent: 2750859 (1956-06-01), Smithburn
patent: 2751832 (1956-06-01), Briscoe
patent: 3347188 (1967-10-01), Richey
patent: 3616862 (1971-11-01), VAN DER Lely
patent: 3667551 (1972-06-01), VAN DER Lely et al.
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