Patent US1654650A successfully refreshed from Google Patents.
US3153404A
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Hydraulic lash adjuster
Assignee: Motors Liquidation Co
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Filing: 1963-12-30
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Granted: 1964-10-20
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Louis J Van Slotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:58
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/2405; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A HYDRAULIC LASH ADJUSTER, A DASH POT, A HOLLOW PLUNGER THEREIN INTO WHICH FLUID IS FED FOR BOTH ADMISSION TO THE DASH POT INWARDLY OF THE PLUNGER AND FOR DELIVERY OUT THE OPPOSITE END OF THE PLUNGER, SAID PLUNGER OPPOSITE END BEING OPEN, MEANS FOR METERING SAID FLUID DELIVERY INCLUDING A PLUNGER THRUST MEMBER HAVING A PORTION EXTENDING INTO SAID OPEN END, AND RETAINING MEANS EMBRACING SAID PORTION WITH A PRESS FIT AND HAVING OUTER PERIPHERAL SECTIONS RESILIENTLY DEFLECTED BY THE INNER PERIPHERAL SURFACES OF THE PLUNGER DURING INSERTION INTO SAID OPEN END WITH SAID THRUST MEMBER, SAID DEFLECTED SECTIONS BEING AT AN ACUTE ANGLE WITH THE LONGITUDINAL AXIS OF THE PLUNGER FOR IMPARTING WEDGING ENGAGEMENT WITH SAID SURFACES IN OPPOSITION TO WITHDRAWAL OF THE THRUST MEMBER FROM THE PLUNGER.
Claim 2
Dependent Claim
131 words
IN A HYDRAULIC LASH ADJUSTER, A DASH POT, A HOLLOW PLUNGER THEREIN INTO WHICH FLUID IS FED FOR BOTH ADMISSION TO THE DASH POT INWARDLY OF THE PLUNGER AND FOR DELIVERY OUT THE OPPOSITE END OF THE PLUNGER, SAID PLUNGER OPPOSITE END BEING OPEN, MEANS FOR METERING SAID FLUID DELIVERY INCLUDING A PLUNGER THRUST MEMBER HAVING A PORTION EXTENDING INTO SAID OPEN END, AND RETAINING MEANS EMBRACING SAID PORTION WITH A PRESS FIT AND HAVING OUTER PERIPHERAL SECTIONS RESILIENTLY DEFLECTED BY THE INNER PERIPHERAL SURFACES OF THE PLUNGER DURING INSERTION INTO SAID OPEN END WITH SAID THRUST MEMBER, SAID DEFLECTED SECTIONS BEING AT AN ACUTE ANGLE WITH THE LONGITUDINAL AXIS OF THE PLUNGER FOR IMPARTING WEDGING ENGAGEMENT WITH SAID SURFACES IN OPPOSITION TO WITHDRAWAL OF THE THRUST MEMBER FROM THE PLUNGER.
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |