Patent US3561006A successfully refreshed from Google Patents.
US3561006A
Expired / Lapsed
US
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Electromagnetic actuators with deflectible rotor
Assignee: QUINCY TECHNOLOGIES Inc A CORP OF DE
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Filing: 1969-05-22
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Granted: 1971-02-02
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Expires: 1989-05-22
Abstract
Abstract A HIGH-RESPONSE STEPPING MOTOR INCORPORATES IN COAXIAL RELATION AN OPEN-ENDED FLEXSPLINE HAVING INNER AND OUTER TEETH WHICH COOPERATE, RESPECTIVELY, WITH INNER AND OUTER, OPPOSITELY DISPOSED, CIRCULAR SPLINE TEETH, THE MESHING OCCURRING SIMULTANEOUSLY UPON STATOR ENERGIZATION AT SPACED CIRCUMFERENTIAL LOCALITIES ROTATIONALLY OUT OF PHASE WITH EACH OTHER. THE OUTER CIRCULAR SPLINE TEETH MAY BE FORMED ON STATOR POLE FACES, AND THE INNER CIRCULAR SPLINES MAY BE FORMED EXTERNALLY ON A RORARY OUTPUT MEMBER.
Inventors
- 👤 Donald R Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:31
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/06; F; F16; F16H; F16H49/00; F16H49/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |