Patent US3358660A successfully refreshed from Google Patents.
US3358660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pull-out retainer for hydraulic lash adjuster
Assignee: Johnson Products Inc
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Filing: 1967-04-27
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Granted: 1967-12-19
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Expires: 1987-04-27
Abstract
No abstract record available.
Inventors
- 👤 Richard D Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:49
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/2405; F01L1/245; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A RELEASABLE RETAINER ASSEMBLY IN A HYDRAULIC LASH ADJUSTOR HAVING A HOLLOW BODY WITH AN INNER PERIPHERY AND AN OPEN END, A PLUNGER-PILLAR UNIT INCLUDING PLUNGER PORTION IN SAID BODY AND A SUPPORT PILLAR PORTION PROJECTING FROM SAID PLUNGER PORTION OUT SAID OPEN BODY END; SAID RELEASABLE RETAINER ASSEMBLY HAVING A RETAINER RECEIVING GROOVE IN SAID BODY INNER PERIPHERY AND A RADIALLY COLLAPSIBLE RETAINER HAVING AN INHERENT RADIALLY OUTWARD BIAS NORMALLY HOLDING IT IN SAID GROOVE; THE IMPROVEMENT COMPRISING: SAID PLUNGER-PILLAR UNIT HAVING A PERIPHERAL SHOULDER ADJACENT TO AND AXIALLY ENGAGEABLE WITH SAID RETAINER WHEREBY SAID PLUNGER PORTION OF SAID UNIT IS NORMALLY RETAINED IN SAID BODY BY SAID RETAINER; AND SAID SHOULDER, RETAINER, AND GROOVE BEING INTERFIT AND CONFIGURATED IN A MANNER THAT AXIAL PULLING FORCE ON SAID PILLAR PORTION, OUTWARDLY OF SAID BODY, CAUSES DIAMETRAL COLLAPSE OF SAID RETAINER BY SAID SHOULDER AND GROOVE TO RELEASE SAID PLUNGER-PILLAR UNIT FOR REMOVAL FROM SAID BODY.
Claim 2
Dependent Claim
156 words
A RELEASABLE RETAINER ASSEMBLY IN A HYDRAULIC LASH ADJUSTOR HAVING A HOLLOW BODY WITH AN INNER PERIPHERY AND AN OPEN END, A PLUNGER-PILLAR UNIT INCLUDING PLUNGER PORTION IN SAID BODY AND A SUPPORT PILLAR PORTION PROJECTING FROM SAID PLUNGER PORTION OUT SAID OPEN BODY END; SAID RELEASABLE RETAINER ASSEMBLY HAVING A RETAINER RECEIVING GROOVE IN SAID BODY INNER PERIPHERY AND A RADIALLY COLLAPSIBLE RETAINER HAVING AN INHERENT RADIALLY OUTWARD BIAS NORMALLY HOLDING IT IN SAID GROOVE; THE IMPROVEMENT COMPRISING: SAID PLUNGER-PILLAR UNIT HAVING A PERIPHERAL SHOULDER ADJACENT TO AND AXIALLY ENGAGEABLE WITH SAID RETAINER WHEREBY SAID PLUNGER PORTION OF SAID UNIT IS NORMALLY RETAINED IN SAID BODY BY SAID RETAINER; AND SAID SHOULDER, RETAINER, AND GROOVE BEING INTERFIT AND CONFIGURATED IN A MANNER THAT AXIAL PULLING FORCE ON SAID PILLAR PORTION, OUTWARDLY OF SAID BODY, CAUSES DIAMETRAL COLLAPSE OF SAID RETAINER BY SAID SHOULDER AND GROOVE TO RELEASE SAID PLUNGER-PILLAR UNIT FOR REMOVAL FROM SAID BODY.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |