US3702649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-way clutch having tiltable sprags
Assignee: Ringspann Albrecht Maurer KG
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Filing: 1970-12-22
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Granted: 1972-11-14
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Expires: 1990-12-22
Abstract
Abstract BETWEEN THE TWO RACES OF A ONE-WAY CLUTCH ARE TILTABLE SPRAGS MOUNTED SO AS TO BE ROTATABLE IN SYNCHRONISM WITH THE INNER RACE. THE SPRAGS ARE PROVIDED WITH EDGES OR STUDS WHICH SERVE AS TILTING BEARINGS BY MEANS OF WHICH THE SPRAGS ABUT AGAINST THE INNER SURFACE OF AT LEAST ONE SUPPORTING RING. THE RING ROTATES ALSO SYNCHRONOUSLY WITH THE INNER RACE AND THE SPRAGS ARE ARRANGED ON THE RING IN SUCH A MANNER THAT THE CENTRIFUGAL FORCE DURING ROTATION TILTS THE SPRAGS SO THAT THE SURFACE PORTION IN CONTACT WITH THE OUTER RACE IS LIFTED THEREFROM, THEREBY UNCOUPLING THE CLUTCH.
Inventors
- 👤 Emil Giese
- 👤 Ruprecht Maurer
- 👤 Karlheinz Timtner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |