Patent US3242691A successfully refreshed from Google Patents.
US3242691A
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US
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Flexible shaft casing
Assignee: Stewart Warner Corp
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Filing: 1963-11-29
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Granted: 1966-03-29
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Wendell W Robinson
- 👤 Schmid Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/26; F16C1/02; F16C1/06; F16L; F16L11/00; F16L11/04; F16L11/08; F16L11/081; F16L11/082; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A FLEXIBLE SHAFT ASSEMBLY COMPRISING A METALLIC CORE ROTATABLY MOVABLE BY A LONGITUDINAL FIXED ELEMENT ADJACENT ONE END OF SAID CORE TO IMPART ROTATABLE MOVEMENT TO ANOTHER LONGITUDINALLY FIXED ELEMENT ADJACENT THE OTHER END OF SAID CORE, AN INNER TUBING OF PLASTIC HAVING A LOW COEFFICIENT OF FRICTION AND CARRYING SAID METALLIC CORE FOR ROTATION THEREIN, A PLURALITY OF SEPARATE WIRES WOUND IN OPPOSING HELICES ABOUT SAID TUBING AT A PITCH OF SUBSTANTIALLY 1" SO AS TO PROVIDE SPACES BETWEEN SAID WIRES COMMUNICATING WITH SAID TUBING, AND AN OUTER PROTECTIVE COATING OF EXTRUDED PLASTIC OVER BOTH THE TUBING AND SAID WIRES FOR PENETRATING SAID SPACES AND BINDING SAID WIRES, TUBING AND COVERING INTO A COMPOSITE UNIT HAVING A TEMPERATURE COEFFICIENT OF EXPANSION APPROXIMATING THE TEMPERATURE COEFFICIENT OF SAID METALLIC CORE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |