Patent US1627151A successfully refreshed from Google Patents.
Patent US3126931A successfully refreshed from Google Patents.
US3126931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife support structure
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:35
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/09; A01F29/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A DEVICE FOR CHOPPING AND THROWING FORAGE MATERIAL COMPRISING A HOUSING HAVING A FORWARDLY LOCATED INLET, A REARWARDLY LOCATED OUTLET AND A PAIR OF VERTICAL SIDE WALLS AT OPPOSITE SIDES RESPECTIVELY OF THE INLET AND OUTLET, A SHAFT ROTATABLY SUPPORTED ON SAID SIDE WALLS AND HAVING AN AXIS PERPENDICULAR TO THE WALLS, A PLURALITY OF DISCS CARRIED ON SAID SHAFT AND SPACED FROM EACH OTHER ALONG THE AXIS OF THE SHAFT, SAID DISCS PROJECTING RADIALLY FROM SAID SHAFT AND PARALLEL TO SAID SIDE WALLS, A PLURALITY OF KNIVES ANGULARLY SPACED AROUND SAID SHAFT AXIS AND SUPPORTED ON RADIAL OUTER ENDS OF SAID DISCS, SAID SHAFT BEING ROTATABLE IN SUCH DIRECTION THAT THE KNIVES MOVE PAST SAID INLET AND THEN ALONG SAID HOUSING TO SAID OUTLET, THE PORTION OF SAID HOUSING BETWEEN SAID INLET AND OUTLET BEING GENERALLY CONCENTRIC TO SAID SHAFT AXIS, EACH KNIFE HAVING A LONGITUDINAL AXIS DIAGONAL TO SAID SHAFT AXIS AND BEING SO CURVED ABOUT THE LONGITUDINAL AXIS THAT EACH KNIFE AS A WHOLE IS IN THE FORM OF A SEGMENT OF A TRUE CYLINDER, EACH KNIFE HAVING A CONCAVE FACE IN THE DIRECTION OF TRAVEL OF THE KNIVES AND A CONVEX FACE AWAY FROM THE TRAVEL DIRECTION, THE SPACE IN FRONT OF EACH CONCAVE KNIFE FACE FROM ONE KNIFE TO THE CONVEX FACE OF THE NEXT BEING SUBSTANTIALLY UNOBSTRUCTED AND EACH KNIFE EXERTING A THROWING ACTION ON MATERIAL, AND MOUNTING MEANS FOR EACH KNIFE COMPRIS-
Claim 2
Independent Claim
239 words
A DEVICE FOR CHOPPING AND THROWING FORAGE MATERIAL COMPRISING A HOUSING HAVING A FORWARDLY LOCATED INLET, A REARWARDLY LOCATED OUTLET AND A PAIR OF VERTICAL SIDE WALLS AT OPPOSITE SIDES RESPECTIVELY OF THE INLET AND OUTLET, A SHAFT ROTATABLY SUPPORTED ON SAID SIDE WALLS AND HAVING AN AXIS PERPENDICULAR TO THE WALLS, A PLURALITY OF DISCS CARRIED ON SAID SHAFT AND SPACED FROM EACH OTHER ALONG THE AXIS OF THE SHAFT, SAID DISCS PROJECTING RADIALLY FROM SAID SHAFT AND PARALLEL TO SAID SIDE WALLS, A PLURALITY OF KNIVES ANGULARLY SPACED AROUND SAID SHAFT AXIS AND SUPPORTED ON RADIAL OUTER ENDS OF SAID DISCS, SAID SHAFT BEING ROTATABLE IN SUCH DIRECTION THAT THE KNIVES MOVE PAST SAID INLET AND THEN ALONG SAID HOUSING TO SAID OUTLET, THE PORTION OF SAID HOUSING BETWEEN SAID INLET AND OUTLET BEING GENERALLY CONCENTRIC TO SAID SHAFT AXIS, EACH KNIFE HAVING A LONGITUDINAL AXIS DIAGONAL TO SAID SHAFT AXIS AND BEING SO CURVED ABOUT THE LONGITUDINAL AXIS THAT EACH KNIFE AS A WHOLE IS IN THE FORM OF A SEGMENT OF A TRUE CYLINDER, EACH KNIFE HAVING A CONCAVE FACE IN THE DIRECTION OF TRAVEL OF THE KNIVES AND A CONVEX FACE AWAY FROM THE TRAVEL DIRECTION, THE SPACE IN FRONT OF EACH CONCAVE KNIFE FACE FROM ONE KNIFE TO THE CONVEX FACE OF THE NEXT BEING SUBSTANTIALLY UNOBSTRUCTED AND EACH KNIFE EXERTING A THROWING ACTION ON MATERIAL, AND MOUNTING MEANS FOR EACH KNIFE COMPRIS-
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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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |