Multiple rotary hoe and support arms

Details Multiple rotary hoe and support arms Multiple rotary hoe and support arms

1979-03-19

1980-03-25

Johnson, Richard J.

Earth working

Rolling, rotating or orbitally moving tool

Tool has circumferentially spaced teeth, tines, blades or...

172573, 172451, A01B 3908

Patent

active

041945751

ABSTRACT:
A multiple rotary hoe including individual hoe wheels mounted in front and rear rows with an individual support arm for each wheel and all of the support arms having a common axis mounted on a single pivot shaft for independent pivoting action in response to upward and downward movements of the hoe wheels with such movements counteracted by spring means exerting downward pressure on each support arm independently of all of the remaining arms.

REFERENCES:
patent: 1062660 (1913-05-01), Nugent
patent: 2177026 (1939-10-01), Nightenhelser
patent: 2477229 (1949-07-01), Bean
patent: 2700926 (1955-02-01), Goit
patent: 2701512 (1955-02-01), Haynes
patent: 3608646 (1971-09-01), Ryan
patent: 3627063 (1971-12-01), Ryan
patent: 3635291 (1972-01-01), Tomanek
patent: 3734201 (1973-05-01), Zaun

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