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US3176646A Expired / Lapsed US ⏱️ 0.0 years remaining

Tow cable with minimum width fairings

Assignee: Individual
•
Filing: 1963-10-29
•
Granted: 1965-04-06
•
Expires: 1983-10-29
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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

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