Patent US3290871A successfully refreshed from Google Patents.
US3290871A
Expired / Lapsed
US
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Emergency brake for internal combustion engine
Assignee: CLINTON ENGINES CORP
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Filing: 1964-07-20
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Granted: 1966-12-13
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Lowell E Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:20
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; A01D34/6812; F; F02; F02D; F02D17/00; F02D17/04; A01D2034/6843; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT AND A DRIVEN ELEMENT DIRECTLY SECURED TO SAID CRANKSHAFT SO AS TO ROTATE WITH SAID CRANKSHAFT AT ALL TIMES, AND EMERGENCY BRAKE FOR STOPPING ROTATION OF BOTH THE CRANKSHAFT AND THE DRIVEN ELEMENT, COMPRISING A PART ROTATABLE WITH THE CRANKSHAFT OF THE ENGINE AND HAVING A BRAKING SURFACE THEREON, A BRAKE ELEMENT MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID BRAKING SURFACE, SPRING MEANS URGING SAID BRAKE ELEMENT INTO ENGAGEMENT WITH SAID BRAKING SURFACE, A COCKING LEVER ENGAGEABLE WITH SAID BRAKE ELEMENT AND MOVABLE TO A COCKED POSITION FOR RETAINING SAID BRAKE ELEMENT OUT OF ENGAGEMENT WITH SAID BRAKING SURFACE, CATCH MEANS RELEASABLY HOLDING SAID
Claim 2
Dependent Claim
113 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT AND A DRIVEN ELEMENT DIRECTLY SECURED TO SAID CRANKSHAFT SO AS TO ROTATE WITH SAID CRANKSHAFT AT ALL TIMES, AND EMERGENCY BRAKE FOR STOPPING ROTATION OF BOTH THE CRANKSHAFT AND THE DRIVEN ELEMENT, COMPRISING A PART ROTATABLE WITH THE CRANKSHAFT OF THE ENGINE AND HAVING A BRAKING SURFACE THEREON, A BRAKE ELEMENT MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID BRAKING SURFACE, SPRING MEANS URGING SAID BRAKE ELEMENT INTO ENGAGEMENT WITH SAID BRAKING SURFACE, A COCKING LEVER ENGAGEABLE WITH SAID BRAKE ELEMENT AND MOVABLE TO A COCKED POSITION FOR RETAINING SAID BRAKE ELEMENT OUT OF ENGAGEMENT WITH SAID BRAKING SURFACE, CATCH MEANS RELEASABLY HOLDING SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |