Unearthing plants or buried objects – Extractor – Opposed plant engagers
Patent
1978-03-24
1980-01-22
Mancene, Louis G.
Unearthing plants or buried objects
Extractor
Opposed plant engagers
172710, A01B 6100, A01D 1900
Patent
active
041845501
ABSTRACT:
A spring cushioning mounting for beet harvesting devices to permit upward movement of the harvester should the same engage a rock or the like including an attachment, L-shaped member mounted on the carrier for the harvester to engage a tool mounting bar and be received therearound and a pivot secured to the tool mounting bar with the upward leg of the L-shaped member pivotally received therein and spring loading elements connecting the other leg of the L-shaped member with the pivot member to normally bring the L-shaped member into position against the tool bar.
REFERENCES:
patent: 390812 (1888-10-01), Stimson
patent: 3084749 (1963-04-01), Anderson
patent: 3097705 (1963-07-01), Bopf
patent: 3314487 (1967-04-01), Kopaska et al.
patent: 3461967 (1969-08-01), Wills
patent: 3550865 (1970-12-01), Mackinnon
patent: 3744572 (1973-07-01), Zeltwanger et al.
patent: 3799079 (1974-03-01), Dietrich
patent: 3825073 (1974-07-01), Gardner et al.
patent: 3960220 (1976-06-01), Laitala
patent: 4005757 (1977-02-01), Hess
Cwayna James R.
Hirsch Paul J.
Mancene Louis G.
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