Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent
1977-04-18
1978-09-19
Johnson, Richard J.
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
56377, 172556, A01B 2104, A01B 3526
Patent
active
041146972
ABSTRACT:
A finger wheel for use in an agricultural implement having a substantially circular unitary backing plate with a plurality of bosses disposed in a circle concentric to the backing plate adjacent to the periphery thereof and projecting axially therefrom and with a plurality of anchors disposed in a circle concentric to the backing plate centrally of the bosses and spaced between alternate pairs of bosses; a plurality of bifurcated substantially identical finger elements each of continuous wire material individually related to the anchors, each having a pair of helical coils individually slidably fitted in circumscribing relation to the bosses adjacent to their respective anchor, a return bend connecting the pair of coils, and a pair of fingers individually extending from the coils radially outwardly from the backing plate; and arcuate clamping plates releasably mounted on the backing plate overlaying the bosses and the anchors and capturing the finger elements thereon.
REFERENCES:
patent: 3151431 (1964-10-01), Daugherty
patent: 3175347 (1965-03-01), Scheidenhelm
patent: 3314486 (1967-04-01), Remy
patent: 3401753 (1968-09-01), Bezzerides
patent: 3796269 (1974-03-01), Carlucci
Netherlands App. No. 6,510,486, Mulder 10/1965.
Netherlands App. No. 6,414,969, Mulder 6/1966.
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