US3570074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rope end fitting
Assignee: Westinghouse Electric Corp
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Filing: 1968-11-12
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Granted: 1971-03-16
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Expires: 1988-11-12
Abstract
Abstract TAPERING OIN IS INSERTED IN THE END OF THE ROPE, THEREBY PROVIDING AN ARRANGEMENT IN WHICH THE SLEEVE AND THE EMBEDDED ROPE END HAVE A MAXIMUM TENSILE STRENGTH AT LEAST EQUAL TO THE MAXIMUM TENSILE STRENGTH OF THE ROPE. AN IMPROVED ROPE END FITTING STRUCTURE, ATTACHED TO THE END PORTION OF A ROPE FOR ASSUMING THE TENSILE LOAD ON THE ROPE IN USE, COMPRISES A TUBULAR SLEEVE HAVING A CONVOLUTED FRUSTO-CONICAL INNER SURFACE ENCOMPASSING AN END PORTION OF THE ROPE AND FILLED WITH A POTTING RESIN. THE ROPE END PORTION IS FRAYED OR UNRAVELED AND SPLAYED TO A LARGER DIAMETER AND EMBEDDED IN THE RESIN, AND A CONVOLUTED
Inventors
- 👤 Werner K Schimmeyer
- 👤 Paul G Bettinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:44
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/04; F16G11/05; F16G11/044; F16G11/048; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3909; Y10T403/00; Y10T403/47; Y10T403/472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |