Patent US3713446A successfully refreshed from Google Patents.
US3134491A
Expired / Lapsed
US
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Storage bin unloading apparatus
Assignee: Butler Manufacturing Co
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Filing: 1962-09-14
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Granted: 1964-05-26
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Richard L Glenn
- 👤 Richard A O'dell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:50
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46; B65G65/466
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A SWEEP AUGER ADAPTED TO SWING ABOUT A CENTRAL PIVOT AXIS IN A STORAGE BIN, STARTING FROM A REST POSITION ON A GRAIN MASS, THE COMBINATION THEREWITH OF A SLED MEMBER CONNECTED WITH THE AUGER FOR FREE TURNING OF THE AUGER ABOUT ITS OWN AXIS WITH RESPECT THERETO, SAID SLED MEMBER INCLUDING GRAIN MASS ENGAGING AUGER SUPPORTING SECTIONS SPACED LATERALLY FROM THE AUGER AND SEPARATED FROM ONE ANOTHER IN A DIRECTION TRANSVERSE TO THE AUGER AXIS AND OF SUCH AREA AS TO PREVENT THE AUGER, WHEN OPERATING ON THE UPPER SURFACE OF A GRAIN MASS, FROM PROGRESSIVELY AND COMPLETELY SUBMERGING ITSELF IN SAID GRAIN MASS.
Claim 2
Dependent Claim
106 words
IN A SWEEP AUGER ADAPTED TO SWING ABOUT A CENTRAL PIVOT AXIS IN A STORAGE BIN, STARTING FROM A REST POSITION ON A GRAIN MASS, THE COMBINATION THEREWITH OF A SLED MEMBER CONNECTED WITH THE AUGER FOR FREE TURNING OF THE AUGER ABOUT ITS OWN AXIS WITH RESPECT THERETO, SAID SLED MEMBER INCLUDING GRAIN MASS ENGAGING AUGER SUPPORTING SECTIONS SPACED LATERALLY FROM THE AUGER AND SEPARATED FROM ONE ANOTHER IN A DIRECTION TRANSVERSE TO THE AUGER AXIS AND OF SUCH AREA AS TO PREVENT THE AUGER, WHEN OPERATING ON THE UPPER SURFACE OF A GRAIN MASS, FROM PROGRESSIVELY AND COMPLETELY SUBMERGING ITSELF IN SAID GRAIN MASS.
References Cited (Backward Citations)
US2711814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |