Patent FR1127240A successfully refreshed from Google Patents.
US3267697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Eaton Corp
•
Filing: 1963-10-23
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Granted: 1966-08-23
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Oldberg Sidney
- 👤 Robert E Stuemky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:02
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A COUPLING MEMBER FOR TRANSMITTING TORQUE BETWEEN DRIVING AND DRIVEN MEMBERS COMPRISING SPRING MEANS OPERATIVELY CONNECTED TO SAID DRIVING AND DRIVEN MEMBERS TO EFFECT THE TRANSMISSION OF TORQUE THEREBETWEEN; SAID SPRING MEANS INCLUDING INNER, INTERMEDIATE, AND OUTER SPRING UNITS IN A TELESCOPED RELATION AND HAVING THEIR OPPOSITE ENDS CONNECTED TO SAID DRIVING AND DRIVEN MEMBERS TO TRANSMIT TORQUE THEREBETWEEN; SAID INNER SPRING UNIT BEING TORSIONALLY LOADED IN A DIRECTION CAUSING SAID SPRING UNIT TO TEND TO EXPAND AND SAID INTERMEDIATE AND OUTER SPRING UNITS BEING TORSIONALLY LOADED IN A DIRECTION CAUSING SAID INNER AND OUTER SPRING UNITS TO TEND TO CONTRACT; SAID INNER AND INTERMEDIATE SPRING UNITS AND SAID INTERMEDIATE AND OUTER SPRING UNITS HAVING A RADIAL PRESSURE ENGAGEMENT THEREBETWEEN WHICH PREVENTS EXPANSION OF SAID INNER SPRING UNIT AND CONTRACTION OF SAID INTERMEDIATE AND OUTER SPRING UNITS CAUSING SAID SPRING UNITS TO REMAIN IN RADIAL ENGAGEMENT DURING THE TRANSMISSION OF TORQUE WHEREBY DRIVE NOISES DUE TO RADIAL SEPARATION AND RETURN OF THE SPRING UNITS INTO ENGAGEMENT ARE ELIMINATED.
Claim 2
Dependent Claim
168 words
A COUPLING MEMBER FOR TRANSMITTING TORQUE BETWEEN DRIVING AND DRIVEN MEMBERS COMPRISING SPRING MEANS OPERATIVELY CONNECTED TO SAID DRIVING AND DRIVEN MEMBERS TO EFFECT THE TRANSMISSION OF TORQUE THEREBETWEEN; SAID SPRING MEANS INCLUDING INNER, INTERMEDIATE, AND OUTER SPRING UNITS IN A TELESCOPED RELATION AND HAVING THEIR OPPOSITE ENDS CONNECTED TO SAID DRIVING AND DRIVEN MEMBERS TO TRANSMIT TORQUE THEREBETWEEN; SAID INNER SPRING UNIT BEING TORSIONALLY LOADED IN A DIRECTION CAUSING SAID SPRING UNIT TO TEND TO EXPAND AND SAID INTERMEDIATE AND OUTER SPRING UNITS BEING TORSIONALLY LOADED IN A DIRECTION CAUSING SAID INNER AND OUTER SPRING UNITS TO TEND TO CONTRACT; SAID INNER AND INTERMEDIATE SPRING UNITS AND SAID INTERMEDIATE AND OUTER SPRING UNITS HAVING A RADIAL PRESSURE ENGAGEMENT THEREBETWEEN WHICH PREVENTS EXPANSION OF SAID INNER SPRING UNIT AND CONTRACTION OF SAID INTERMEDIATE AND OUTER SPRING UNITS CAUSING SAID SPRING UNITS TO REMAIN IN RADIAL ENGAGEMENT DURING THE TRANSMISSION OF TORQUE WHEREBY DRIVE NOISES DUE TO RADIAL SEPARATION AND RETURN OF THE SPRING UNITS INTO ENGAGEMENT ARE ELIMINATED.
References Cited (Backward Citations)
US1312296A
Cited
US779374A
Cited
US1429146A
Cited
US1337646A
Cited
US1489439A
Cited
US1507920A
Cited
US3000197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |