Patent US3654997A successfully refreshed from Google Patents.
US3654997A
Expired / Lapsed
US
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Root harvester
Assignee: Individual
•
Filing: 1970-11-04
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Granted: 1972-04-11
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Expires: 1990-11-04
Abstract
Abstract A root harvester having separating tools located directly following dig-out tools and consisting of two rows installed one above the other, the separating tools of the first row being in the form of two pairs of coaxial rotating auger screws, each pair being threaded in different directions.
Inventors
- 👤 Andrei Ivanovich Partyanko
- 👤 Ivan Mikhailovich Ruzin
- 👤 Valentin Andreevich Lastovenko
- 👤 Viktor Vasilievich Dudka
- 👤 Fedor Leontievich Rodenko
- 👤 Grigory Ivanovich Onischenko
- 👤 Adolf Senenovich Vatkin
- 👤 Alexei Alexandrovich Pokusa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
A; A01; A01D; A01D19/00; A01D17/00; A01D17/06; B; B07; B07B; B07B1/00; B07B1/12; B07B1/14; B07B1/15; B07B1/155
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
111 words
A root harvester comprising: dig-out tools adapted for the digging out of a root mass including roots, dirt and vegetable trash; two rows of separating tools for cleaning the roots and separating the dirt and trash therefrom, said rows being arranged one above the other and frontally with relation tO said dig-out tools; said separating tools of the first row containing two pairs of coaxial rotating auger screws with opposite spiralling to insure separation and conveyance of the roots in two counteropposed flows; an intermediate conveyor interconnecting the first and second rows of the separating tools; and conveying devices adjacent the separating tools of the second row to receive roots therefrom.
Claim 2
Dependent Claim
111 words
A root harvester comprising: dig-out tools adapted for the digging out of a root mass including roots, dirt and vegetable trash; two rows of separating tools for cleaning the roots and separating the dirt and trash therefrom, said rows being arranged one above the other and frontally with relation tO said dig-out tools; said separating tools of the first row containing two pairs of coaxial rotating auger screws with opposite spiralling to insure separation and conveyance of the roots in two counteropposed flows; an intermediate conveyor interconnecting the first and second rows of the separating tools; and conveying devices adjacent the separating tools of the second row to receive roots therefrom.
Claim 3
Dependent Claim
53 words
A root harvester according to claim 1 in which the second row includes a plain roll and a threaded roll whose diameter is smaller than that of the auger screws and which are installed above the last of the auger screws in the direction of mass flow and arranged one above the other.
Claim 4
Dependent Claim
23 words
A root harvester according to claim 1 wherein the intermediate conveyors have discharge sections located above the separating tools of the second row.
Claim 5
Dependent Claim
41 words
A root harvester as claimed in claim 1 wherein the tools of said second row include lobed cams arranged in groups having parallel axes and adapted for feeding roots towards one of said conveying devices which is arranged between the groups.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |