Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent
1982-07-30
1984-08-28
Hafer, Robert A.
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
172556, A01B 3310
Patent
active
044678746
ABSTRACT:
An improved tine has a bevel on the outer side and a smooth hard surface on the inner side and, together with an improved split tine hub, provides an improved multiple tine and hub assembly with increased durability and power efficiency.
REFERENCES:
patent: 1415663 (1922-05-01), Lilleberg
patent: 2012434 (1935-08-01), Pedersen
patent: 2903077 (1959-09-01), Kamlukin
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patent: 3199609 (1965-08-01), Robinson
patent: 3233686 (1966-02-01), Stedman
patent: 3362482 (1968-01-01), Riddle
patent: 3702638 (1972-11-01), Takata
patent: 3783952 (1974-01-01), Gemert
patent: 4133390 (1979-01-01), Reaume
Hafer Robert A.
Lewis, Jr. Ancel W.
The Eversman Mfg. Company
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