US3070979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound shaft coupling
Assignee: General Electric Co
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Filing: 1962-01-29
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Granted: 1963-01-01
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Shipley
- 👤 Sorensen Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A COMPOUND COUPLING COMPRISING A FIRST SHAFT MEMBER DEFINING COUPLING SPLINE TEETH THEREON, A FIRST INTERMEDIATE COUPLING RING DEFINING SPLINE TEETH MESHING WITH SAID FIRST SHAFT SPLINE TEETH AND ALSO DEFINING ADDITIONAL SPLINE TEETH THEREON, A SECOND SHAFT MEMBER AXIALLY SPACED FROM AND PIVOTABLE WITH RESPECT TO SAID FIRST SHAFT MEMBER ABOUT A FIXED POINT BETWEEN SHAFT MEMBERS AND DEFINING SPLINE TEETH, A SECOND INTERMEDIATE COUPLING RING DEFINING SPLINE TEETH MESHING WITH SAID SECOND SHAFT SPLINE TEETH AND ALSO DEFINING ADDITIONAL SPLINE TEETH THEREON, A TORQUE TUBE EXTENDING BETWEEN SHAFTS AND DEFINING SPLINE TEETH AT EITHER END THEREOF MEASHING WITH SAID ADDITIONAL SPLINE TEETH OF THE FIRST AND SECOND INTERMEDIATE COUPLING RINGS, THE AXES OF SAID TORQUE TUBE AND SAID FIRST AND SECOND SHAFTS FORMING A TRIANGLE WHEN THE FIRST AND SECOND SHAFTS ARE MISALIGNED, AND MEANS GUIDING THE FIRST AND SECOND INTERMEDIATE COUPLING RINGS SO THAT THEIR AXES FALL WITHIN SAID TRIANGLE, WHEREBY SAID FIRST AND SECOND INTERMEDIATE COUPLING RINGS SERVE TO REDUCE THE ANGULAR MISALIGNMENT BETWEEN SETS OF MESHED SPLINE TEETH.
Claim 2
Dependent Claim
173 words
A COMPOUND COUPLING COMPRISING A FIRST SHAFT MEMBER DEFINING COUPLING SPLINE TEETH THEREON, A FIRST INTERMEDIATE COUPLING RING DEFINING SPLINE TEETH MESHING WITH SAID FIRST SHAFT SPLINE TEETH AND ALSO DEFINING ADDITIONAL SPLINE TEETH THEREON, A SECOND SHAFT MEMBER AXIALLY SPACED FROM AND PIVOTABLE WITH RESPECT TO SAID FIRST SHAFT MEMBER ABOUT A FIXED POINT BETWEEN SHAFT MEMBERS AND DEFINING SPLINE TEETH, A SECOND INTERMEDIATE COUPLING RING DEFINING SPLINE TEETH MESHING WITH SAID SECOND SHAFT SPLINE TEETH AND ALSO DEFINING ADDITIONAL SPLINE TEETH THEREON, A TORQUE TUBE EXTENDING BETWEEN SHAFTS AND DEFINING SPLINE TEETH AT EITHER END THEREOF MEASHING WITH SAID ADDITIONAL SPLINE TEETH OF THE FIRST AND SECOND INTERMEDIATE COUPLING RINGS, THE AXES OF SAID TORQUE TUBE AND SAID FIRST AND SECOND SHAFTS FORMING A TRIANGLE WHEN THE FIRST AND SECOND SHAFTS ARE MISALIGNED, AND MEANS GUIDING THE FIRST AND SECOND INTERMEDIATE COUPLING RINGS SO THAT THEIR AXES FALL WITHIN SAID TRIANGLE, WHEREBY SAID FIRST AND SECOND INTERMEDIATE COUPLING RINGS SERVE TO REDUCE THE ANGULAR MISALIGNMENT BETWEEN SETS OF MESHED SPLINE TEETH.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |