US3085407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means
Assignee: SPRAGUE ENGINEERING Corp
•
Filing: 1962-03-20
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Granted: 1963-04-16
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Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Tomlinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/108; H02K5/00; H02K5/04; H02K5/12; H02K5/128; Y; Y10; Y10S; Y10S159/00; Y10S159/07; Y10S74/00; Y10S74/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A INDUCTION COUPLING MEANS A DRIVE SHAFT, A DRIVEN SHAFT IN AXIAL ALIGNMENT WITH SAID DRIVE SHAFT AND SPACED THEREFROM, A FIRST PERMANENT MAGNET MEANS FIXED TO THE END OF ONE SHAFT, AN INDUCTION DISK FIXED TO THE ADJACENT END OF THE OTHER SHAFT, AND A SECOND PERMANENT MAGNET MEANS MOUNTED FOR ROTATION INDEPENDENT OF SAID SHAFTS ON THE AXIS OF SAID SHAFTS AND ON THE SIDE OF SAID DISK REMOVED FROM SAID FIRST PERMANENT MAGNET MEANS, SAID FIRST AND SECOND PERMANENT MAGNET MEANS BEING CONSTRUCTED AND ARRANGED TO BE COMPLEMENTARY AND, IN AT LEAST ONE RELATIVE POSITION, MUTUALLY ATTRACTED WHEREBY TO ESTABLISH A MAGNETIC FIELD HAVING A RELATIVELY REGULAR AND CLOSED FLUX PATH THROUGH SAID INDUCTION DISK.
Claim 2
Dependent Claim
119 words
IN A INDUCTION COUPLING MEANS A DRIVE SHAFT, A DRIVEN SHAFT IN AXIAL ALIGNMENT WITH SAID DRIVE SHAFT AND SPACED THEREFROM, A FIRST PERMANENT MAGNET MEANS FIXED TO THE END OF ONE SHAFT, AN INDUCTION DISK FIXED TO THE ADJACENT END OF THE OTHER SHAFT, AND A SECOND PERMANENT MAGNET MEANS MOUNTED FOR ROTATION INDEPENDENT OF SAID SHAFTS ON THE AXIS OF SAID SHAFTS AND ON THE SIDE OF SAID DISK REMOVED FROM SAID FIRST PERMANENT MAGNET MEANS, SAID FIRST AND SECOND PERMANENT MAGNET MEANS BEING CONSTRUCTED AND ARRANGED TO BE COMPLEMENTARY AND, IN AT LEAST ONE RELATIVE POSITION, MUTUALLY ATTRACTED WHEREBY TO ESTABLISH A MAGNETIC FIELD HAVING A RELATIVELY REGULAR AND CLOSED FLUX PATH THROUGH SAID INDUCTION DISK.
References Cited (Backward Citations)
US525316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |