Patent US3190422A successfully refreshed from Google Patents.
US3190422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal clutch with vibration damper
Assignee: Daimler Benz AG
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Filing: 1961-04-07
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Granted: 1965-06-22
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Expires: 1981-04-07
Abstract
No abstract record available.
Inventors
- 👤 Manfred H Burckhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:01
CPC Classifications
F; F16; F16D; F16D37/00; F16D43/00; F16D43/02; F16D43/04; F16D43/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A CENTRIFUGALLY OPERATED FRICTION CLUTCH, ESPECIALLY FOR MOTOR VEHICLES, COMPRISING DRIVING CLUTCH MEANS, DRIVEN CLUTCH MEANS SURROUNDING SAID DRIVING CLUTCH MEANS, SAID DRIVING CLUTCH MEANS COMPRISING A DRIVE SHAFT AND ENTRAINMENT MEANS SECURED TO SAID DRIVE SHAFT AND INCLUDING A RING MEMBER AND AT LEAST ONE RADIALLY SECURED ENTRAINMENT DISK CONNECTED TO SAID RING MEMBER, SAID ENTRAINMENT DISK TOGETHER WITH SAID RING MEMBER EFFECTIVELY PROVIDING CHAMBERS DISPOSED BETWEEN SAID DRIVING AND DRIVEN CLUTCH MEANS, AND OPERATING MEANS OPERATIVE TO PROVIDE A FORCELOCKING ENGAGEMENT BETWEEN SAID DRIVING AND SAID DRIVEN CLUTCH MEANS DURING THE OCCURRENCE OF A CENTRIFUGAL FORCE ACTING ON SAID OPERATING MEANS, SAID OPERATING MEANS CONSISTING OF A PLURALITY OF ESSENTIALLY GLOBULAR CLUTCH BODIES WITHIN SAID CHAMBERS, SAID DRIVEN CLUTCH MEANS COMPRISING A DRIVEN SHAFT AND A DOUBLE-WALLED HOUSING SECURED THERETO AND ENCLOSING SAID DRIVING CLUTCH MEANS, SAID HOUDING CONSISTING OF AN OUTER DRUM-SHAPED HOUSING PART, AN INNER DRUM-SHAPED HOUSING PART NESTED WITHIN AND SPACED FROM SAID OUTER DRUM-SHAPED HOUSING PART, AND VIBRATION DAMPING AND SEALING MEANS CONNECTING SAID HOUSING PARTS TOGETHER TO FORM A SEALED HOLLOW SPACED THEREBETWEEN AND A SOUND ABSORBING MATERIAL ARRANGED IN SAID HOLLOW SPACE.
Claim 2
Dependent Claim
190 words
A CENTRIFUGALLY OPERATED FRICTION CLUTCH, ESPECIALLY FOR MOTOR VEHICLES, COMPRISING DRIVING CLUTCH MEANS, DRIVEN CLUTCH MEANS SURROUNDING SAID DRIVING CLUTCH MEANS, SAID DRIVING CLUTCH MEANS COMPRISING A DRIVE SHAFT AND ENTRAINMENT MEANS SECURED TO SAID DRIVE SHAFT AND INCLUDING A RING MEMBER AND AT LEAST ONE RADIALLY SECURED ENTRAINMENT DISK CONNECTED TO SAID RING MEMBER, SAID ENTRAINMENT DISK TOGETHER WITH SAID RING MEMBER EFFECTIVELY PROVIDING CHAMBERS DISPOSED BETWEEN SAID DRIVING AND DRIVEN CLUTCH MEANS, AND OPERATING MEANS OPERATIVE TO PROVIDE A FORCELOCKING ENGAGEMENT BETWEEN SAID DRIVING AND SAID DRIVEN CLUTCH MEANS DURING THE OCCURRENCE OF A CENTRIFUGAL FORCE ACTING ON SAID OPERATING MEANS, SAID OPERATING MEANS CONSISTING OF A PLURALITY OF ESSENTIALLY GLOBULAR CLUTCH BODIES WITHIN SAID CHAMBERS, SAID DRIVEN CLUTCH MEANS COMPRISING A DRIVEN SHAFT AND A DOUBLE-WALLED HOUSING SECURED THERETO AND ENCLOSING SAID DRIVING CLUTCH MEANS, SAID HOUDING CONSISTING OF AN OUTER DRUM-SHAPED HOUSING PART, AN INNER DRUM-SHAPED HOUSING PART NESTED WITHIN AND SPACED FROM SAID OUTER DRUM-SHAPED HOUSING PART, AND VIBRATION DAMPING AND SEALING MEANS CONNECTING SAID HOUSING PARTS TOGETHER TO FORM A SEALED HOLLOW SPACED THEREBETWEEN AND A SOUND ABSORBING MATERIAL ARRANGED IN SAID HOLLOW SPACE.
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |