US3261338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve timing mechanism
Assignee: Automobile Racing Club of Oklahoma Inc
•
Filing: 1964-07-13
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Granted: 1966-07-19
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Anatoly A Arutunoff
- 👤 Crow H Bryon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:34
CPC Classifications
F; F01; F01L; F01L13/00; F01L13/0015; F01L13/0021; F01L1/00; F01L1/02; F01L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A VALVE TIMING MECHANISM FOR INTERNAL COMBUSTION ENGINES INCLUDING A SERIES OF VALVE RESPECTIVELY PROVIDED WITH PROJECTING VALVE TAPPETS; SAID TIMING MECHANISM COMPRISING A SERIES OF CAM ELEMENTS ROTATABLY SUSPENDED FOR INDEPENDENT OSCILLATING MOVEMENT ON A COMMON OVERHEAD SUPPORTING SHAFT, SAID SHAFT BEING CARRIED BY A PIVOTALLY MOUNTED PARALLELOGRAM FRAME, SAID CAM ELEMENTS BEING POSITIONED ON SAID SHAFT TO PRESENT THEIR RESPECTIVE LOBES IN SLIDING CONTACT WITH SAID VALVE TAPPETS, AN ECCENTRIC CRANKSHAFT PARALLEL WITH AND LATERALLY SPACED FROM SAID SUPPORTING SHAFT, CONNECTING RODS BETWEEN RESPECTIVE CAM ELEMENTS AND SAID CRANKSHAFT, DRIVE MEANS FOR SAID CRANKSHAFT OPERATIVELY CONNECTED WITH THE DRIVE SHAFT OF SAID ENGINE, AND MEANS FOR LATERALLY ADJUSTING THE POSITION OF SAID SUPPORTING SHAFT FOR VARYING THE SPACING OF THE
Claim 2
Dependent Claim
122 words
A VALVE TIMING MECHANISM FOR INTERNAL COMBUSTION ENGINES INCLUDING A SERIES OF VALVE RESPECTIVELY PROVIDED WITH PROJECTING VALVE TAPPETS; SAID TIMING MECHANISM COMPRISING A SERIES OF CAM ELEMENTS ROTATABLY SUSPENDED FOR INDEPENDENT OSCILLATING MOVEMENT ON A COMMON OVERHEAD SUPPORTING SHAFT, SAID SHAFT BEING CARRIED BY A PIVOTALLY MOUNTED PARALLELOGRAM FRAME, SAID CAM ELEMENTS BEING POSITIONED ON SAID SHAFT TO PRESENT THEIR RESPECTIVE LOBES IN SLIDING CONTACT WITH SAID VALVE TAPPETS, AN ECCENTRIC CRANKSHAFT PARALLEL WITH AND LATERALLY SPACED FROM SAID SUPPORTING SHAFT, CONNECTING RODS BETWEEN RESPECTIVE CAM ELEMENTS AND SAID CRANKSHAFT, DRIVE MEANS FOR SAID CRANKSHAFT OPERATIVELY CONNECTED WITH THE DRIVE SHAFT OF SAID ENGINE, AND MEANS FOR LATERALLY ADJUSTING THE POSITION OF SAID SUPPORTING SHAFT FOR VARYING THE SPACING OF THE
References Cited (Backward Citations)
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US2266077A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |