US3358772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship's propeller mountings
Assignee: P & O Res & Dev Co
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Filing: 1966-10-28
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Granted: 1967-12-19
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bunyan Thomas Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:32
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/097; B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/067; F16B; F16B31/00; F16B31/04; F16B31/043; F16D1/0805; F16B2200/00; F16B2200/20; F16B2200/30; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1633; Y10T403/22; Y10T403/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A PROPELLER MOUNTING COMPRISING: A SHAFT HAVING A TAPERED END, A METAL SLEEVE ELEMENT TAPERED INTERNALLY AND OVER AT LEAST A REAR PART EXTERNALLY, BOTH TAPERS DECREASING IN DIAMETER TOWARDS THE REARWARD END, THE INTERNAL TAPER CORRESPONDING TO THAT OF THE TAPERED END OF THE SHAFT AND THE SAID METAL SLEEVE ELEMENT BEING FORCE-TAPER FITTED ON THE SHAFT, A PROPELLER INCLUDING A HUB INTERNALLY TAPERED AT ITS REARWARD END AND FORCE-TAPER FITTED ON A CIRCUMFERENTIAL ZONE ON THE EXTERNALLY TAPERED REAR END PART OF THE METAL SLEEVE ELEMENT OF AN AXIAL LENGTH CORRESPONDING TO A PART ONLY OF THE AXIAL LENGTH OF THE HUB, AND WITH AN AXIALLY ELONGATED ANNULAR CLEARANCE SPACE BETWEEN A PART OF THE SAID METAL SLEEVE ELEMENT FORWARD OF AND ADJACENT SAID CIRCUMFERENTIAL ZONE AND THE PART OF THE HUB SURROUNDING SAID PART OF THE METAL SLEEVE ELEMENT FORWARD OF AND ADJACENT SAID CIRCUMFERENTIAL ZONE, SAID CLEARANCE SPACE EXTENDING FROM SAID CIRCUMFERENTIAL ZONE THROUGH THE FORWARD END OF THE HUB, AND A FURTHER PART OF SAID METAL SLEEVE ELEMENT ON THE SHAFT EXTENDING FORWARDS BEYOND THE END OF THE HUB SURROUNDING SAID CLEARANCE SPACE TO EXTEND THROUGH THE STERN POST OF A SHIP AND FORM A JOURNAL IN THE REARMOST BEARING OF THE PROPELLER SHAFT.
Claim 2
Dependent Claim
209 words
A PROPELLER MOUNTING COMPRISING: A SHAFT HAVING A TAPERED END, A METAL SLEEVE ELEMENT TAPERED INTERNALLY AND OVER AT LEAST A REAR PART EXTERNALLY, BOTH TAPERS DECREASING IN DIAMETER TOWARDS THE REARWARD END, THE INTERNAL TAPER CORRESPONDING TO THAT OF THE TAPERED END OF THE SHAFT AND THE SAID METAL SLEEVE ELEMENT BEING FORCE-TAPER FITTED ON THE SHAFT, A PROPELLER INCLUDING A HUB INTERNALLY TAPERED AT ITS REARWARD END AND FORCE-TAPER FITTED ON A CIRCUMFERENTIAL ZONE ON THE EXTERNALLY TAPERED REAR END PART OF THE METAL SLEEVE ELEMENT OF AN AXIAL LENGTH CORRESPONDING TO A PART ONLY OF THE AXIAL LENGTH OF THE HUB, AND WITH AN AXIALLY ELONGATED ANNULAR CLEARANCE SPACE BETWEEN A PART OF THE SAID METAL SLEEVE ELEMENT FORWARD OF AND ADJACENT SAID CIRCUMFERENTIAL ZONE AND THE PART OF THE HUB SURROUNDING SAID PART OF THE METAL SLEEVE ELEMENT FORWARD OF AND ADJACENT SAID CIRCUMFERENTIAL ZONE, SAID CLEARANCE SPACE EXTENDING FROM SAID CIRCUMFERENTIAL ZONE THROUGH THE FORWARD END OF THE HUB, AND A FURTHER PART OF SAID METAL SLEEVE ELEMENT ON THE SHAFT EXTENDING FORWARDS BEYOND THE END OF THE HUB SURROUNDING SAID CLEARANCE SPACE TO EXTEND THROUGH THE STERN POST OF A SHIP AND FORM A JOURNAL IN THE REARMOST BEARING OF THE PROPELLER SHAFT.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |