Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1985-11-19
1987-08-11
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 96, 172142, 172179, 172254, 172643, 172 68, A01B 4902, A01B 2302, A01B 2304
Patent
active
046855246
ABSTRACT:
A tine mounting arrangement for a harrow provides a transverse elongate support member with a plurality of stub shafts extending outwardly therefrom in the same horizontal plane at an angle of 45.degree.. Each stub shaft carries a pair of spring tines with the springs wrapped around the shaft and an inclined portion of the tine extending forwardly from the angled shaft and therefore at an angle to the transverse support member. Two such members can be mounted on pivot arms to provide a transverse reciprocating working action of the tines. This harrow element can be mounted upon support arms pivoted from a draw bar and carried on ground wheels which may be simple depth wheels or may form packer wheels. In an alternative arrangement the packer wheels and harrow element are mounted on a subframe which can be reversed so that the packers operate in advance of the harrow element.
REFERENCES:
patent: 308865 (1884-12-01), Alderson
patent: 2652760 (1953-09-01), Card
patent: 2764922 (1956-10-01), Carnall
patent: 3566974 (1971-03-01), Kopaska
patent: 3910019 (1975-10-01), Schlittler
patent: 4113024 (1978-09-01), Lely
patent: 4171021 (1979-10-01), Lely
patent: 4265186 (1981-05-01), Nichols
Vicon Power Harrow, Advertising Brochure of Vicon Farm Machinery Inc., Chesapeake, Va, Received 9/1979, 172/54.5.
Ade Stanley G.
Airmaster Sales Ltd.
Battison Adrian D.
Johnson Richard J.
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