US3648710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop feeding means to an axial flow type threshing and separating combine
Assignee: Unisys Corp
•
Filing: 1970-06-30
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Granted: 1972-03-14
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Expires: 1990-06-30
Abstract
Abstract An axial flow threshing and separating unit of an agricultural combine has angled transport fins mounted on the inner side of the top of the casing to move crop material carried over the top of the auger flights on the rotor in the easing into the following threshing and separating means of the unit.
Inventors
- 👤 Edward William Rowland-Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:19
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/10; A01F7/00; A01F7/02; A01F7/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
107 words
In an axial threshing and separating unit having a casing with a top and side wall means and a rotor extending longitudinally therein with a threshing and separating means and preceding auger flights axially aligned therewith for feeding crop material to said threshing and separating unit; ramp means extending across said casing below said auger flights and extending upwardly and rearwardly to feed crop material upwardly intermediately between said auger flights and said ramp for movement into said threshing and separating means and vane flights mounted on the inner surface of said top wall to direct crop material axially on rotation into said threshing and separating means.
Claim 2
Dependent Claim
107 words
In an axial threshing and separating unit having a casing with a top and side wall means and a rotor extending longitudinally therein with a threshing and separating means and preceding auger flights axially aligned therewith for feeding crop material to said threshing and separating unit; ramp means extending across said casing below said auger flights and extending upwardly and rearwardly to feed crop material upwardly intermediately between said auger flights and said ramp for movement into said threshing and separating means and vane flights mounted on the inner surface of said top wall to direct crop material axially on rotation into said threshing and separating means.
Claim 3
Dependent Claim
46 words
In an axial flow threshing and separating unit as set forth in claim 1 wherein said casing has side plates and side vane flights are tilted in the same direction as said top vane flights to urge crop material rearwardly toward said threshing and separating means.
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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |