US3378799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary solenoid
Assignee: CONS ELECTRONIC IND CORP
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Filing: 1966-09-08
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Granted: 1968-04-16
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Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Chester V Ouellette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:56
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A ROTARY SOLENOID COMPRISING: A COIL; A CENTRAL, HOLLOW, FERROMAGNETICALLY SOFT CORE EXTENDING THROUGH SAID COIL; BEARING MEANS ATTACHED TO SAID CORE; A SHAFT SUPPORTED BY SAID BEARING MEANS AND EXTENDING THROUGH SAID HOLLOW CORE; A STATOR POLE STRUCTURE COMPRISING A FIRST SET OF FERROMAGNETICALLY SOFT STATOR POLES MAGNETICALLY LINKED TO ONE END OF SAID COIL TO HAVE A MAGNETIC FIELD INDUCED IN SAID POLES, SAID POLES EXTENDING LONGITUDINALLY ALONG THE OUTSIDE OF SAID COIL AND BEYOND THE OTHER END THEREOF; A SECOND SET OF FERROMAGNETICALLY SOFT STATOR POLES MAGNETICALLY LINKED TO THE OTHER END OF SAID COIL TO HAVE A MAGNETIC FIELD INDUCED THEREIN OF THE OPPOSITE POLARITY FROM THAT INDUCED IN SAID FIRST SET OF POLES, THE NUMBER OF SAID POLES OF SAID SECOND SET BEING EQUAL TO THE NUMBER OF POLES OF SAID FIRST SET AND EACH POLE OF SAID SECOND SET EXTENDING AXIALLY IN THE SAME DIRECTION AS SAID FIRST SET AND SPACED FROM SAID FIRST SET OF POLES BY A RELATIVELY SMALL SPACING ON ONE SIDE AND A RELATIVELY LARGE SPACING ON THE OTHER SIDE, WHEREBY THE ENDS OF SAID POLES EXTENDING
Claim 2
Dependent Claim
187 words
A ROTARY SOLENOID COMPRISING: A COIL; A CENTRAL, HOLLOW, FERROMAGNETICALLY SOFT CORE EXTENDING THROUGH SAID COIL; BEARING MEANS ATTACHED TO SAID CORE; A SHAFT SUPPORTED BY SAID BEARING MEANS AND EXTENDING THROUGH SAID HOLLOW CORE; A STATOR POLE STRUCTURE COMPRISING A FIRST SET OF FERROMAGNETICALLY SOFT STATOR POLES MAGNETICALLY LINKED TO ONE END OF SAID COIL TO HAVE A MAGNETIC FIELD INDUCED IN SAID POLES, SAID POLES EXTENDING LONGITUDINALLY ALONG THE OUTSIDE OF SAID COIL AND BEYOND THE OTHER END THEREOF; A SECOND SET OF FERROMAGNETICALLY SOFT STATOR POLES MAGNETICALLY LINKED TO THE OTHER END OF SAID COIL TO HAVE A MAGNETIC FIELD INDUCED THEREIN OF THE OPPOSITE POLARITY FROM THAT INDUCED IN SAID FIRST SET OF POLES, THE NUMBER OF SAID POLES OF SAID SECOND SET BEING EQUAL TO THE NUMBER OF POLES OF SAID FIRST SET AND EACH POLE OF SAID SECOND SET EXTENDING AXIALLY IN THE SAME DIRECTION AS SAID FIRST SET AND SPACED FROM SAID FIRST SET OF POLES BY A RELATIVELY SMALL SPACING ON ONE SIDE AND A RELATIVELY LARGE SPACING ON THE OTHER SIDE, WHEREBY THE ENDS OF SAID POLES EXTENDING
References Cited (Backward Citations)
US3030469A
Cited
US3229171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |