US3155247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering auger apparatus
Assignee: NEBRASKA ENGINEERING Co
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Filing: 1962-08-13
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Granted: 1964-11-03
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 William C Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:39
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/36; B65G65/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
SELF-CENTERING AUGER APPARATUS FOR SILOS COMPRISING: (A) A FLEXIBLE CABLE; (B) MEANS SUSPENDING SAID CABLE WITHIN A SILO; (C) A U-SHAPED SUPPORT MEMBER ATTACHED TO THE LOWER END OF SAID CABLE; (D) A DRIVE SHAFT EXTENDING BETWEEN THE SIDES OF SAID SUPPORT MEMBER; (E) A PAIR OF ADDITIONAL U-SHAPED MEMBERS PIVOTALLY MOUNTED AT ONE END ON SAID SHAFT TO THEREBY JOURNAL SAID SHAFT IN THE SIDES THEREOF AND PROJECTING IN GENERALLY OPPOSITE DIRECTIONS; (F) A PAIR OF OPPOSITELY DIRECTED SCREW MEMBERS JOURNALED AT ONE END IN THE ENDS OF SAID ADDITIONAL U-SHAPED MEMBERS; (G) A BEVEL GEAR ON THE ADJACENT END OF EACH SCREW MEMBER; AND (H) A BEVEL GEAR ON SAID DRIVE SHAFT IN MESH WITH SAID FIRST-MENTIONED BEVEL GEARS FOR ROTATING SAID SHAFTS IN THE SAME ROTATIVE DIRECTIONS WHEN VIEWED OUTWARDLY FROM A CENTRAL POINT TO AUGER FEED RADIALLY INWARDLY OR OUTWARDLY IN ACCORDANCE WITH THE DIRECTION IN WHICH SAID DRIVE SHAFT IS ROTATED.
Claim 2
Dependent Claim
156 words
SELF-CENTERING AUGER APPARATUS FOR SILOS COMPRISING: (A) A FLEXIBLE CABLE; (B) MEANS SUSPENDING SAID CABLE WITHIN A SILO; (C) A U-SHAPED SUPPORT MEMBER ATTACHED TO THE LOWER END OF SAID CABLE; (D) A DRIVE SHAFT EXTENDING BETWEEN THE SIDES OF SAID SUPPORT MEMBER; (E) A PAIR OF ADDITIONAL U-SHAPED MEMBERS PIVOTALLY MOUNTED AT ONE END ON SAID SHAFT TO THEREBY JOURNAL SAID SHAFT IN THE SIDES THEREOF AND PROJECTING IN GENERALLY OPPOSITE DIRECTIONS; (F) A PAIR OF OPPOSITELY DIRECTED SCREW MEMBERS JOURNALED AT ONE END IN THE ENDS OF SAID ADDITIONAL U-SHAPED MEMBERS; (G) A BEVEL GEAR ON THE ADJACENT END OF EACH SCREW MEMBER; AND (H) A BEVEL GEAR ON SAID DRIVE SHAFT IN MESH WITH SAID FIRST-MENTIONED BEVEL GEARS FOR ROTATING SAID SHAFTS IN THE SAME ROTATIVE DIRECTIONS WHEN VIEWED OUTWARDLY FROM A CENTRAL POINT TO AUGER FEED RADIALLY INWARDLY OR OUTWARDLY IN ACCORDANCE WITH THE DIRECTION IN WHICH SAID DRIVE SHAFT IS ROTATED.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |