US3176646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow cable with minimum width fairings
Assignee: Individual
•
Filing: 1963-10-29
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Granted: 1965-04-06
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Julius O Natwick
- 👤 Donald A Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:17
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/66; B63B21/663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
279 words
A TOW LINE BY WHICH A SUBMERGED OBJECT MAY BE TOWED FROM A SHIP, WHICH COMPRISES: (A) A FLEXIBLE TOW CABLE, (B) A PLURALITY OF FAIRING UNITS ARRANGED IN END TO END RELATIONSHIP ALONG AND FREELY AND INDIVIDUALLY PIVOTALLY AND SLIDABLY MOUNTED UPON SAID CABLE, (C) MEANS FOR COUPLING TOGETHER ADJACENT UNITS WITH LOST MOTION MOVEMENT ENABLING LIMITED SEPARATION OF THE UNITS UPON FLEXING OF THE CABLE, (D) MEANS CONNECTING ADJACENT UNITS FOR KEEPING ADJACENT UNITS APPROXIMATELY ALIGNED WITH ONE ANOTHER ON THE CABLE, (E) A PLURALITY OF CONDUCTORS FOR ESTABLISHING COMMUNICATION BETWEEN SAID OBJECT AND SAID SHIP EXTENDING ALONG SAID TOW CABLE THROUGH SAID UNITS FROM ADJACENT SAID OBJECT TO ADJACENT THE OPPOSITE END OF SAID CABLE AND HAVING OVERALL LENGTHS GREATER THAN THE COMBINED OVERALL LENGTHS OF SAID UNITS, (F) SAID UNITS HAVING SPACES THEREIN INTO WHICH SAID CONDUCTORS ARE FLEXED SIDEWISE WHEN ADJACENT UNITS ARE CLOSE TOGETHER AND OUT OF WHICH THE CONDUCTORS MAY BE PULLED AND STRAIGHTENED OUT WHEN SUCH ADJACENT UNITS SEPARATE SOMEWHAT AS PERMITTED BY SAID LOST MOTION MOVEMENT DURING FLEXING OF THE CABLE, ONE GROUP OF THE UNITS ON THE END PORTION NEAREST SAID OBJECT HAVING THE CONDUCTORS DISPOSED BETWEEN SAID COUPLING MEANS AND SAID CABLE, AND ANOTHER GROUP OF UNITS ON THE OPPOSITE END PORTION HAVING THE CONDUCTORS DISPOSED AT THE SIDE OF SAID COUPLING MEANS OPPOSITE FROM SAID CABLE, AND A TRANSITION UNIT BETWEEN SAID GROUPS IN WHICH THE CONDUCTORS AT THE END OF THIS UNIT ADJACENT SAID ONE GROUP PASS BETWEEN THE COUPLING MEANS AND THE CABLE, AND AT THE OTHER END ADJACENT SAID ANOTHER GROUP PASS THE SAID COUPLING MEANS AT THE SIDE THEREOF OPPOSITE FROM SAID CABLE.
Claim 2
Dependent Claim
279 words
A TOW LINE BY WHICH A SUBMERGED OBJECT MAY BE TOWED FROM A SHIP, WHICH COMPRISES: (A) A FLEXIBLE TOW CABLE, (B) A PLURALITY OF FAIRING UNITS ARRANGED IN END TO END RELATIONSHIP ALONG AND FREELY AND INDIVIDUALLY PIVOTALLY AND SLIDABLY MOUNTED UPON SAID CABLE, (C) MEANS FOR COUPLING TOGETHER ADJACENT UNITS WITH LOST MOTION MOVEMENT ENABLING LIMITED SEPARATION OF THE UNITS UPON FLEXING OF THE CABLE, (D) MEANS CONNECTING ADJACENT UNITS FOR KEEPING ADJACENT UNITS APPROXIMATELY ALIGNED WITH ONE ANOTHER ON THE CABLE, (E) A PLURALITY OF CONDUCTORS FOR ESTABLISHING COMMUNICATION BETWEEN SAID OBJECT AND SAID SHIP EXTENDING ALONG SAID TOW CABLE THROUGH SAID UNITS FROM ADJACENT SAID OBJECT TO ADJACENT THE OPPOSITE END OF SAID CABLE AND HAVING OVERALL LENGTHS GREATER THAN THE COMBINED OVERALL LENGTHS OF SAID UNITS, (F) SAID UNITS HAVING SPACES THEREIN INTO WHICH SAID CONDUCTORS ARE FLEXED SIDEWISE WHEN ADJACENT UNITS ARE CLOSE TOGETHER AND OUT OF WHICH THE CONDUCTORS MAY BE PULLED AND STRAIGHTENED OUT WHEN SUCH ADJACENT UNITS SEPARATE SOMEWHAT AS PERMITTED BY SAID LOST MOTION MOVEMENT DURING FLEXING OF THE CABLE, ONE GROUP OF THE UNITS ON THE END PORTION NEAREST SAID OBJECT HAVING THE CONDUCTORS DISPOSED BETWEEN SAID COUPLING MEANS AND SAID CABLE, AND ANOTHER GROUP OF UNITS ON THE OPPOSITE END PORTION HAVING THE CONDUCTORS DISPOSED AT THE SIDE OF SAID COUPLING MEANS OPPOSITE FROM SAID CABLE, AND A TRANSITION UNIT BETWEEN SAID GROUPS IN WHICH THE CONDUCTORS AT THE END OF THIS UNIT ADJACENT SAID ONE GROUP PASS BETWEEN THE COUPLING MEANS AND THE CABLE, AND AT THE OTHER END ADJACENT SAID ANOTHER GROUP PASS THE SAID COUPLING MEANS AT THE SIDE THEREOF OPPOSITE FROM SAID CABLE.
References Cited (Backward Citations)
GB108761A
Cited
US1977787A
Cited
US2401783A
Cited
GB699558A
Cited
US2891501A
Cited
US3060260A
Cited
US3060886A
Cited
US3086491A
Cited
US3172469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |