Patent US3121501A successfully refreshed from Google Patents.
US3121501A
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US
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Forage unloading mechanism for silos
Assignee: Individual
•
Filing: 1961-10-03
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Granted: 1964-02-18
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jonathan J Laidig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:08
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46; B65G65/466; A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN COMBINATION, A GENERALLY CYLINDRICAL SILO INCLUDING A FLOOR HAVING A CENTRALLY LOCATED OPENING THEREIN, AND AN UNLOADER FOR THE SILO COMPRISING AN INWARDLY OPENING ANNULAR, CHANNEL-SHAPED TRACK MOUNTED CIRCUMFERENTIALLY IN THE SILO FLUSH WITH THE INNER PERIPHERY THEREOF AND ADJACENT THE FLOOR, A PLOW INCLUDING AT LEAST ONE SUPPORTING WHEEL OPERABLE IN THE TRACK, A RADIAL SWEEP AUGER ADJACENT THE FLOOR AND INCLUDING AN INNER END PIVOTALLY SECURED THERETO OVER THE OPENING FOR DISCHARGING ENSILAGE THROUGH SAID OPENING, SAID SWEEP AUGER FURTHER INCLUDING AN OUTER END ROTATABLY SECURED TO THE PLOW AND CARRIED THEREBY, MEANS FOR PROPELLING THE PLOW AROUND THE TRACK FOR DISPLACING ENSILAGE THEREFROM INTO THE PATH OF THE SWEEP AUGER, AND MEANS FOR ROTATING SAID SWEEP AUGER FOR CONVEYING THE ENSILAGE TO THE OPENING.
Claim 2
Dependent Claim
128 words
IN COMBINATION, A GENERALLY CYLINDRICAL SILO INCLUDING A FLOOR HAVING A CENTRALLY LOCATED OPENING THEREIN, AND AN UNLOADER FOR THE SILO COMPRISING AN INWARDLY OPENING ANNULAR, CHANNEL-SHAPED TRACK MOUNTED CIRCUMFERENTIALLY IN THE SILO FLUSH WITH THE INNER PERIPHERY THEREOF AND ADJACENT THE FLOOR, A PLOW INCLUDING AT LEAST ONE SUPPORTING WHEEL OPERABLE IN THE TRACK, A RADIAL SWEEP AUGER ADJACENT THE FLOOR AND INCLUDING AN INNER END PIVOTALLY SECURED THERETO OVER THE OPENING FOR DISCHARGING ENSILAGE THROUGH SAID OPENING, SAID SWEEP AUGER FURTHER INCLUDING AN OUTER END ROTATABLY SECURED TO THE PLOW AND CARRIED THEREBY, MEANS FOR PROPELLING THE PLOW AROUND THE TRACK FOR DISPLACING ENSILAGE THEREFROM INTO THE PATH OF THE SWEEP AUGER, AND MEANS FOR ROTATING SAID SWEEP AUGER FOR CONVEYING THE ENSILAGE TO THE OPENING.
References Cited (Backward Citations)
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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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |