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US3233924A
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High pressure coupling
Assignee: Parker Hannifin Corp
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Filing: 1963-04-18
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Granted: 1966-02-08
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Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 John H Stanley
- 👤 William E Currie
- 👤 Puy Leland Q De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:18
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; F16L19/02; F16L19/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A COUPLING COMPRISING A BODY HAVING A SEALING SURFACE AND A CONICAL WEDGING SURFACE, A TUBULAR CONDUIT HAVING A SEALING SURFACE AND A TAPERED THREAD, A COLLET ON SAID CONDUIT AND HAVING A SECTION WHICH IS INITIALLY STRAIGHT THREADED, A FIRST PORTION OF SAID STRAIGHT THREADS ENGAGING THE LARGEST DIAMETER PORTION OF THE TAPERED THREADS WITH A CLOSE FIT, A SECOND PORTION OF SAID STRAIGHT THREADS AND BEING OPPOSITE THE SMALLER DIAMETER TAPERED THREADS AND BEING CONTRACTIBLE BY ENGAGEMENT OF THE COLLET WITH THE WEDGING SURFACE FOR CAUSING THE STRAIGHT THREADS OF SAID SECOND PORTION TO CONTRACT IN DIAMETER SO AS TO TIGHTLY ENGAGE THE SMALLER DIAMETER TAPERED THREADS, AND A CLAMPING MEMBER ATTACHED TO THE BODY FOR MOVEMENT RELATIVE THERETO, SAID CLAMPING MEMBER HAVING MEANS THEREON ENGAGEABLE WITH THE COLLET FOR MOVING THE COLLET AND CONDUIT TOWARD THE BODY WHEREBY SAID COLLET ENGAGES SAID WEDGING SURFACE AND SAID CONDUIT SEALING SURFACE ENGAGES SAID BODY SEALING SURFACE.
Claim 2
Dependent Claim
157 words
A COUPLING COMPRISING A BODY HAVING A SEALING SURFACE AND A CONICAL WEDGING SURFACE, A TUBULAR CONDUIT HAVING A SEALING SURFACE AND A TAPERED THREAD, A COLLET ON SAID CONDUIT AND HAVING A SECTION WHICH IS INITIALLY STRAIGHT THREADED, A FIRST PORTION OF SAID STRAIGHT THREADS ENGAGING THE LARGEST DIAMETER PORTION OF THE TAPERED THREADS WITH A CLOSE FIT, A SECOND PORTION OF SAID STRAIGHT THREADS AND BEING OPPOSITE THE SMALLER DIAMETER TAPERED THREADS AND BEING CONTRACTIBLE BY ENGAGEMENT OF THE COLLET WITH THE WEDGING SURFACE FOR CAUSING THE STRAIGHT THREADS OF SAID SECOND PORTION TO CONTRACT IN DIAMETER SO AS TO TIGHTLY ENGAGE THE SMALLER DIAMETER TAPERED THREADS, AND A CLAMPING MEMBER ATTACHED TO THE BODY FOR MOVEMENT RELATIVE THERETO, SAID CLAMPING MEMBER HAVING MEANS THEREON ENGAGEABLE WITH THE COLLET FOR MOVING THE COLLET AND CONDUIT TOWARD THE BODY WHEREBY SAID COLLET ENGAGES SAID WEDGING SURFACE AND SAID CONDUIT SEALING SURFACE ENGAGES SAID BODY SEALING SURFACE.
References Cited (Backward Citations)
US643615A
Cited
US1257852A
Cited
US1525233A
Cited
US2016262A
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FR884283A
Cited
FR878250A
Cited
US2452890A
Cited
FR1101839A
Cited
US2907589A
Cited
US3112131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |