Patent US3608597A successfully refreshed from Google Patents.
US3608597A
Expired / Lapsed
US
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Sugar cane harvester with trash discharge assistant
Assignee: Case LLC
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Filing: 1970-03-03
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Granted: 1971-09-28
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Expires: 1990-03-03
Abstract
Abstract A cane harvester having a billet cutter and conveyor means to carry the billets issuing from the cutter, fan means disposed to project an air stream upwardly through the billets to separate trash therefrom, a trash discharge opening disposed to one side of the conveyor, a power-driven toothed roller positioned adjacent a lower edge of said opening to grip trash, unusual heavy trash in particular, and propel same outwardly through said opening.
Inventors
- 👤 Harry R Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:08
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
114 words
A cane harvester having a billet cutter and conveyor means to carry the cane billets issuing from the billet cutter, the combination of fan means disposed to direct a stream of air upwardly through the path of said cane billets to separate trash therefrom, deflector means disposed above the conveyor means to direct the air and entrained trash laterally beyond one side of the conveyor through a discharge opening, at least portion of the lower edge of said opening being defined by a roller having a tooth formation on the peripheral surface to grip the trash, and drive means to rotate the roller in a direction to discharge the trash outwardly through the opening.
Claim 2
Dependent Claim
114 words
A cane harvester having a billet cutter and conveyor means to carry the cane billets issuing from the billet cutter, the combination of fan means disposed to direct a stream of air upwardly through the path of said cane billets to separate trash therefrom, deflector means disposed above the conveyor means to direct the air and entrained trash laterally beyond one side of the conveyor through a discharge opening, at least portion of the lower edge of said opening being defined by a roller having a tooth formation on the peripheral surface to grip the trash, and drive means to rotate the roller in a direction to discharge the trash outwardly through the opening.
Claim 3
Dependent Claim
24 words
The combination claimed in claim 1, wherein the roller extends at least along the rear portion of the lower edge of the discharge opening.
Claim 4
Dependent Claim
21 words
The combination claimed in claim 1, wherein the roller reduces in cross section from the rear towards the forward end thereof.
Claim 5
Dependent Claim
26 words
The combination claimed in claim 1, wherein the roller is of square cross section with a serrated blade along each longitudinal edge constituting the tooth formation.
Claim 6
Dependent Claim
41 words
The combination claimed in claim 1, wherein the roller is of square cross section with the cross section reducing from the rear towards the forward end of the roller with a serrated blade along each longitudinal edge constituting the tooth formation.
Claim 7
Dependent Claim
58 words
The combination as claimed in claim 1, wherein the fan means is disposed to direct the air stream upwardly between the billet cutter and the conveyor, and the deflector means comprises a hood extending from one sidewall of the conveyor across the path of the billets and defines with the opposite sidewall of the conveyor the discharge opening.
References Cited (Backward Citations)
US2169522A
Cited
US3324860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |