Patent US3605510A successfully refreshed from Google Patents.
US3605510A
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Centrifugal clutch
Assignee: First National Bank of Minneapolis
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Filing: 1969-10-24
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Granted: 1971-09-20
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Expires: 1989-10-24
Abstract
Abstract THE DISCLOSURE IS DIRECTED TO A VARIABLE RATIO CENTRIFUGAL CLUTCH HAVING DRIVING AND DRIVEN ASSEMBLIES CONNECTED BY AN ENDLESS BELT. THE DRIVING ASSEMBLY CONSISTS OF A PAR OF SHEAVES AFFIXED TO A DRIVE SHAFT, ONE BEING AXIALLY STATIONARY AND THE OTHER BEING AXIALLY MOVABLE WITH RESPECT THERETO. THE MOVABLE SHEAVE FORMS PART OF A CLOSED HOUSING WHICH FULLY ENCLOSES A PLURALITY OF FLYWEIGHTS PIVOTALLY MOUNTED ON THE SHAFT FOR ROTATION THEREWITH. IN RESPONSE TO INCREASES IN DRIVE SHAFT SPEED, THE FLYWEIGHTS SWING OUTWARD AND ENGAGE THE HOUSING, MOVING IT IN ITS ENTIRETY ALONG THE SHAFT TO BRING THE SHEAVES TOGETHER.
Inventors
- 👤 Eugene W Laughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:20
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H61/66231; F16H61/66245; F16H55/00; F16H55/32; F16H55/52; F16H55/56; F16H55/563
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |