Patent US3137283A successfully refreshed from Google Patents.
US3137283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve gear
Assignee: Individual
•
Filing: 1963-06-18
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Granted: 1964-06-16
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Sampietro Achille Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:08
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A VALVE OPERATING GEAR INCLUDING (A) A ROCKER ARM, SAID ROCKER ARM HAVING A HOLLOW CYLINDRICAL PORTION EXTENDING TRANSVERSELY OF THE ARM BETWEEN ITS TWO ENDS; (B) A SUPPORTING CYLINDER FOR THE ROCKER ARM ENGAGED IN THE SAID HOLLOW CYLINDRICAL PORTION AND PROVIDING A FULCRUM FOR ROCKING MOVEMENT OF THE ROCKER ARM; (C) A TUBE EXTENDING INTO THE HOLLOW CYLINDRICAL PORTION THROUGH AN APERTURE IN THE CYLINDRICAL WALL THEREOF AND CARRYING ON IT THE CYLINDER WITHIN SAID CYLINDRICAL PORTION; (D) A SUPPORT FOR SAID TUBE HAVING IN IT A SPLINED BORE, AN EXTERNALLY SPLINED OPEN END PORTION OF SAID TUBE BEING SLIDINGLY ENGAGED IN SAID BORE, THE OTHER END PORTION OF THE TUBE BEING CLOSED; (E) A SECOND TUBE LOCATED WITHIN SAID BORE AND EXTENDING AS A CLOSE SLIDING FIT INTO THE SPLINED TUBE THROUGH THE OPEN END OF THE SPLINED TUBE, THE SECOND TUBE BEING LOCKED AGAINST MOVEMENT TOWARDS THE SUPPORT AND BEING IN COMMUNICATION WITH DUCT MEANS IN THE SUPPORT FOR SUPPLY OF FLUID UNDER PRESSURE; AND (F) A ONE-WAY VALVE LOCATED AT THE END OF THE SECOND TUBE WITHIN THE SPLINED TUBE AND PERMITTING FLOW OF FLUID FROM THE SECOND TUBE INTO THE CLOSED END PORTION OF THE SPLINED TUBE.
Claim 2
Dependent Claim
203 words
A VALVE OPERATING GEAR INCLUDING (A) A ROCKER ARM, SAID ROCKER ARM HAVING A HOLLOW CYLINDRICAL PORTION EXTENDING TRANSVERSELY OF THE ARM BETWEEN ITS TWO ENDS; (B) A SUPPORTING CYLINDER FOR THE ROCKER ARM ENGAGED IN THE SAID HOLLOW CYLINDRICAL PORTION AND PROVIDING A FULCRUM FOR ROCKING MOVEMENT OF THE ROCKER ARM; (C) A TUBE EXTENDING INTO THE HOLLOW CYLINDRICAL PORTION THROUGH AN APERTURE IN THE CYLINDRICAL WALL THEREOF AND CARRYING ON IT THE CYLINDER WITHIN SAID CYLINDRICAL PORTION; (D) A SUPPORT FOR SAID TUBE HAVING IN IT A SPLINED BORE, AN EXTERNALLY SPLINED OPEN END PORTION OF SAID TUBE BEING SLIDINGLY ENGAGED IN SAID BORE, THE OTHER END PORTION OF THE TUBE BEING CLOSED; (E) A SECOND TUBE LOCATED WITHIN SAID BORE AND EXTENDING AS A CLOSE SLIDING FIT INTO THE SPLINED TUBE THROUGH THE OPEN END OF THE SPLINED TUBE, THE SECOND TUBE BEING LOCKED AGAINST MOVEMENT TOWARDS THE SUPPORT AND BEING IN COMMUNICATION WITH DUCT MEANS IN THE SUPPORT FOR SUPPLY OF FLUID UNDER PRESSURE; AND (F) A ONE-WAY VALVE LOCATED AT THE END OF THE SECOND TUBE WITHIN THE SPLINED TUBE AND PERMITTING FLOW OF FLUID FROM THE SECOND TUBE INTO THE CLOSED END PORTION OF THE SPLINED TUBE.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |