Patent US3443672A successfully refreshed from Google Patents.
US3750211A
Expired / Lapsed
US
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Beet-cleaning and conveying apparatus
Assignee: Deere and Co
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Filing: 1971-08-16
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Granted: 1973-08-07
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Expires: 1991-08-16
Abstract
Abstract A plurality of rollers are mounted on a frame in parallel relation to form troughs therebetween and the adjacent rollers are driven in opposite directions. A helical flighting is mounted on each of the rollers for rotation thereon and is driven in the same direction as its associated roller but at a slightly less angular velocity. The rotating rollers provide a scrubbing action on beets deposited thereon to remove dirt and other foreign substances from the beets and the helical flightings move the beets axially of the rollers to deposit the beets over one end of the rollers. By having the helical flighting rotate at a slightly less angular velocity than their associated rollers, they provide a cleaning action on the rollers to prevent any mud buildup on the rollers.
Inventors
- 👤 R Zaun
- 👤 H Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:52
CPC Classifications
A; A01; A01D; A01D33/00; A01D33/08; B; B07; B07B; B07B1/00; B07B1/12; B07B1/14; B07B1/15
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
139 words
A root crop cleaning mechanism comprising: a frame; a plurality of elongated rollers rotatably mounted on the frame in parallel relation and positioned sufficiently close to each other to prevent roots deposited thereon from passing therebetween; means for driving the rollers to provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling at least alternate ones of the rollers for rotation thereabout; and means for driving the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign material on the rollers.
Claim 2
Dependent Claim
139 words
A root crop cleaning mechanism comprising: a frame; a plurality of elongated rollers rotatably mounted on the frame in parallel relation and positioned sufficiently close to each other to prevent roots deposited thereon from passing therebetween; means for driving the rollers to provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling at least alternate ones of the rollers for rotation thereabout; and means for driving the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign material on the rollers.
Claim 3
Dependent Claim
23 words
The cleaning mechanism set forth in claim 1 wherein the helical flight means are driven in the same direction as their associated rollers.
Claim 4
Dependent Claim
16 words
The cleaning mechanism set forth in claim 2 wherein adjacent rollers are driven in opposite directions.
Claim 5
Dependent Claim
18 words
The cleaning mechanism set forth in claim 3 wherein there is a helical flight means for each roller.
Claim 6
Dependent Claim
18 words
The cleaning mechanism set forth in claim 4 wherein the helical flights on adjacent rollers are oppositely pitched.
Claim 7
Dependent Claim
139 words
A root crop cleaning mechanism comprising: a frame; a plurality of elongated rollers rotatably mounted on the frame in generally parallel relation and spaced from each other a distance sufficiently small to prevent roots deposited thereon from passing therebetween; means for driving the rollers to provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling each of the rollers for rotation thereon; and means for drivIng the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign material on the rollers.
Claim 8
Dependent Claim
139 words
A root crop cleaning mechanism comprising: a frame; a plurality of elongated rollers rotatably mounted on the frame in generally parallel relation and spaced from each other a distance sufficiently small to prevent roots deposited thereon from passing therebetween; means for driving the rollers to provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling each of the rollers for rotation thereon; and means for drivIng the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign material on the rollers.
Claim 9
Dependent Claim
25 words
The cleaning mechanism set forth in claim 6 wherein each of the helical flight means is driven in the same direction as its associated roller.
Claim 10
Dependent Claim
27 words
The cleaning mechanism set forth in claim 7 wherein adjacent rollers are driven in opposite directions and the helical flight means on adjacent rollers are oppositely pitched.
Claim 11
Dependent Claim
28 words
The cleaning mechanism set forth in claim 8 wherein the helical flight means are driven at an angular velocity less than the angular velocity of their associated rollers.
Claim 12
Dependent Claim
146 words
A root crop cleaning mechanism comprising: a frame; a plurality of equally spaced closely adjacent rollers mounted on the frame in coplanar and parallel relation; drive means; means coupling the drive means with the rollers to rotate the rollers and provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling at least alternate ones of the rollers for rotation thereon; and means coupling the drive means with the helical flight means to rotate the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign materail on the rollers.
Claim 13
Dependent Claim
146 words
A root crop cleaning mechanism comprising: a frame; a plurality of equally spaced closely adjacent rollers mounted on the frame in coplanar and parallel relation; drive means; means coupling the drive means with the rollers to rotate the rollers and provide a scrubbing action on roots deposited thereon to remove foreign material clinging thereto; helical flight means loosely encircling at least alternate ones of the rollers for rotation thereon; and means coupling the drive means with the helical flight means to rotate the helical flight means at a different angular velocity than the rollers so that the helical flight means will move roots axially along the rollers to deposit the roots over one end of the rollers and the helical flight means will move relative to the rollers to provide a cleaning action on the rollers which prevents a buildup of foreign materail on the rollers.
Claim 14
Dependent Claim
48 words
The cleaning mechanism set forth in claim 10 wherein there is a helical flight means loosely encircling each roller and the coupling means drives the helical flight means in the same direction as the rollers and at an angular velocity less than the angular velocity of the rollers.
Claim 15
Dependent Claim
26 words
The cleaning mechanism set forth in claim 11 wherein the coupling means interconnects the drive means with the rollers to drive adjacent rollers in opposite directions.
References Cited (Backward Citations)
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US3217346A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |