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US3147411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary solenoid and method of assembling same
Assignee: General Time Corp
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Filing: 1962-07-30
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Granted: 1964-09-01
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Willis A Kropp
- 👤 John J Piotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:57
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A ROTARY SOLENOID COMPRISING, IN COMBINATION, A CYLINDRICAL SHELL, A PAIR OF CIRCULAR POLE PIECES PRESS FITTED INTO OPPOSITE ENDS OF SAID SHELL AND DEFINING OPPOSED, RADIALLY DISPOSED POLE SEGMENTS, A PAIR OF BEARING SLEEVES RESPECTIVELY PRESS FITTED INTO APERTURES AT THE CENTERS OF SAID POLE PIECES, A ROTOR SHAFT JOURNALED IN SAID SLEEVES, A ROTOR FIXED ON SAID SHAFT BETWEEN SAID POLE SEGMENTS SO AS TO BE ROTATABLE INTO AND OUT OF ALINEMENT WITH SAID SEGMENTS, AN ENERGIZING COIL DISPOSED WITHIN SAID SHELL AND SURROUNDING SAID ROTOR AND SAID POLE SEGMENTS, AND A PAIR OF SHIMS SURROUNDING SAID SHAFT AND SANDWICHED BETWEEN THE OPPOSITE SIDES OF SAID ROTOR AND RESPECTIVE ONES OF SAID SLEEVES SO AS TO MAINTAIN AIR GAPS BETWEEN SAID ROTOR AND SAID POLE SEGMENTS.
Claim 2
Dependent Claim
128 words
A ROTARY SOLENOID COMPRISING, IN COMBINATION, A CYLINDRICAL SHELL, A PAIR OF CIRCULAR POLE PIECES PRESS FITTED INTO OPPOSITE ENDS OF SAID SHELL AND DEFINING OPPOSED, RADIALLY DISPOSED POLE SEGMENTS, A PAIR OF BEARING SLEEVES RESPECTIVELY PRESS FITTED INTO APERTURES AT THE CENTERS OF SAID POLE PIECES, A ROTOR SHAFT JOURNALED IN SAID SLEEVES, A ROTOR FIXED ON SAID SHAFT BETWEEN SAID POLE SEGMENTS SO AS TO BE ROTATABLE INTO AND OUT OF ALINEMENT WITH SAID SEGMENTS, AN ENERGIZING COIL DISPOSED WITHIN SAID SHELL AND SURROUNDING SAID ROTOR AND SAID POLE SEGMENTS, AND A PAIR OF SHIMS SURROUNDING SAID SHAFT AND SANDWICHED BETWEEN THE OPPOSITE SIDES OF SAID ROTOR AND RESPECTIVE ONES OF SAID SLEEVES SO AS TO MAINTAIN AIR GAPS BETWEEN SAID ROTOR AND SAID POLE SEGMENTS.
References Cited (Backward Citations)
US2872627A
Cited
US3092762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |