US3097871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling device
Assignee: Mcnally Bros Machine & Gear Co
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Filing: 1961-07-05
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Granted: 1963-07-16
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Expires: 1981-07-05
Abstract
No abstract record available.
Inventors
- 👤 Donald L Mcnally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:07
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/088; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A COUPLING DEVICE FOR CLAMPING ABUTTING ENDS OF HOUSING MEMBERS RESPECTIVELY PROVIDED WITH AN EXTERNAL THREADED PORTION AND AN ANNULAR HOUSING GROOVE, COMPRISING, A COUPLING RING HAVING INTERNAL THREADS AT ONE AXIAL END OF THREADEDLY ENGAGING THE THREADED PORTION ON ONE OF THE HOUSING MEMBERS, AN INTERNAL COUPLING GROOVE FORMED IN THE COUPLING RING ADJACENT THE OTHER AXIAL END IN RADIAL ALIGNMENT WITH THE ANNULAR GROOVE ON THE OTHER OF THE HOUSING MEMBERS AND A SPLIT COUPLING SPRING MEMBER DISPOSED BETWEEN THE COUPLING GROOVE AND HOUSING GROOVE AND ALTERNATELY ENGAGEABLE WITH THE HOUSING MEMBER AND COUPLING RING AT CIRCUMFERENTIALLY SPACED POINTS 60* APART FOR LOCKING THE HOUSING MEMBERS TOGETHER, SAID COUPLING RING INCLUDING AN INTERNAL CONICAL CAMMING SURFACE CONNECTING AND EXTENDING BETWEEN THE COUPLING GROOVE AND THE INTERNAL THREADS FOR UNLOCKING OF THE COULING DEVICE BY AXIAL DISPLACEMENT OF THE COUPLING RING IN ONE DIRECTION WITH RESPECT TO THE HOUSING GROOVE.
Claim 2
Dependent Claim
151 words
A COUPLING DEVICE FOR CLAMPING ABUTTING ENDS OF HOUSING MEMBERS RESPECTIVELY PROVIDED WITH AN EXTERNAL THREADED PORTION AND AN ANNULAR HOUSING GROOVE, COMPRISING, A COUPLING RING HAVING INTERNAL THREADS AT ONE AXIAL END OF THREADEDLY ENGAGING THE THREADED PORTION ON ONE OF THE HOUSING MEMBERS, AN INTERNAL COUPLING GROOVE FORMED IN THE COUPLING RING ADJACENT THE OTHER AXIAL END IN RADIAL ALIGNMENT WITH THE ANNULAR GROOVE ON THE OTHER OF THE HOUSING MEMBERS AND A SPLIT COUPLING SPRING MEMBER DISPOSED BETWEEN THE COUPLING GROOVE AND HOUSING GROOVE AND ALTERNATELY ENGAGEABLE WITH THE HOUSING MEMBER AND COUPLING RING AT CIRCUMFERENTIALLY SPACED POINTS 60* APART FOR LOCKING THE HOUSING MEMBERS TOGETHER, SAID COUPLING RING INCLUDING AN INTERNAL CONICAL CAMMING SURFACE CONNECTING AND EXTENDING BETWEEN THE COUPLING GROOVE AND THE INTERNAL THREADS FOR UNLOCKING OF THE COULING DEVICE BY AXIAL DISPLACEMENT OF THE COUPLING RING IN ONE DIRECTION WITH RESPECT TO THE HOUSING GROOVE.
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |