Patent US3080734A successfully refreshed from Google Patents.
US3080734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Misalignment coupling with flexible force transmitting assemblies
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1961-07-18
•
Granted: 1963-03-12
•
Expires: 1981-07-18
Abstract
No abstract record available.
Inventors
- 👤 John H Crankshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:32
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A COUPLING FOR TRANSMITTING POWER BETWEEN A PAIR OF SHAFTS HAVING MISALIGNED AXES, SAID COUPLING COMPRISING AN INTERMEDIATE MEMBER INTERPOSED BETWEEN THE MISALIGNED SHAFTS, SAID INTERMEDIATE MEMBER BEING ROTATABLE ABOUT ITS LONGITUDINAL AXIS, FIRST MEMBERS MOUNTED ON OPPOSITE ENDS OF SAID INTERMEDIATE MEMBER FOR ROTATION ABOUT SAID LONGITUDINAL AXIS, SECOND MEMBERS SPACED FROM SAID FIRST MEMBERS AND CONNECTED TO THE MISALIGNED SHAFTS, FLEXIBLE MEANS POSITIONED BETWEEN SAID FIRST AND SECOND MEMBERS FOR TRANSMITTING POWER THEREBETWEEN, SAID FLEXIBLE MEANS COMPRISING A PLURALITY OF HELICAL SPRINGS HAVING THEIR RESPECTIVE AXES SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS, INTERDIGITATED LUGS ON SAID FIRST AND SECOND MEMBERS FOR TRANSMITTING POWER BETWEEN SAID HELICAL SPRINGS AND SAID FIRST AND SECOND MEMBERS, AND A SUBSTANTIALLY ELONGATED MEMBER INTERPOSED BETWEEN EACH OF SAID LUGS AND ITS RESPECTIVE HELICAL SPRING, SAID ELONGATED MEMBER HAVING A CURVED INNER SURFACE FOR ROLLING ENGAGEMENT WITH THE OUTER PERIPHERAL SURFACE OF SAID HELICAL SPRING.
Claim 2
Dependent Claim
151 words
A COUPLING FOR TRANSMITTING POWER BETWEEN A PAIR OF SHAFTS HAVING MISALIGNED AXES, SAID COUPLING COMPRISING AN INTERMEDIATE MEMBER INTERPOSED BETWEEN THE MISALIGNED SHAFTS, SAID INTERMEDIATE MEMBER BEING ROTATABLE ABOUT ITS LONGITUDINAL AXIS, FIRST MEMBERS MOUNTED ON OPPOSITE ENDS OF SAID INTERMEDIATE MEMBER FOR ROTATION ABOUT SAID LONGITUDINAL AXIS, SECOND MEMBERS SPACED FROM SAID FIRST MEMBERS AND CONNECTED TO THE MISALIGNED SHAFTS, FLEXIBLE MEANS POSITIONED BETWEEN SAID FIRST AND SECOND MEMBERS FOR TRANSMITTING POWER THEREBETWEEN, SAID FLEXIBLE MEANS COMPRISING A PLURALITY OF HELICAL SPRINGS HAVING THEIR RESPECTIVE AXES SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS, INTERDIGITATED LUGS ON SAID FIRST AND SECOND MEMBERS FOR TRANSMITTING POWER BETWEEN SAID HELICAL SPRINGS AND SAID FIRST AND SECOND MEMBERS, AND A SUBSTANTIALLY ELONGATED MEMBER INTERPOSED BETWEEN EACH OF SAID LUGS AND ITS RESPECTIVE HELICAL SPRING, SAID ELONGATED MEMBER HAVING A CURVED INNER SURFACE FOR ROLLING ENGAGEMENT WITH THE OUTER PERIPHERAL SURFACE OF SAID HELICAL SPRING.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |