Patent US3233710A successfully refreshed from Google Patents.
US3233710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic clutch
Assignee: Consolidated Electronics Industries Corp
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Filing: 1963-06-25
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Granted: 1966-02-08
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Charles S Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:29
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A CONTROLLABLE TORQUE COUPLING DEVICE, COMPRISING (A) SUPPORTING FRAME MEANS, (B) SOLENOID COIL MEANS SHAFT FIXEDLY SUPPORTED BY SAID FRAME MEANS, (C) A ROTATABLE ARMATURE SHAFT MOUNTED FOR ROTATION WITHIN, AND FOR PREDETERMINED AXIAL MOVEMENT BETWEEN INACTIVE AND TORQUE-TRANSMITTING POSITIONS RELATIVE TO SAID SOLENOID COIL MEANS, (D) SAID ARMATURE SHAFT HAVING PORTIONS PROJECTING OUTWARDLY FROM SAID SOLENOID COIL MEANS, (E) A CYLINDRICAL CLUTCH DRUM FIXEDLY MOUNTED ON ONE OF SAID PROJECTING PORTIONS, (F) A ONE-PIECE DISH-SHAPED RESILIENT CLUTCH SPRING MOUNTED ON SAID ONE PROJECTING PORTION IN A PREDETERMINED SPACED RELATION WITH SAID CLUTCH DRUM, (G) SAID SPRING HAVING A SUBSTANTIALLY FIXED AXIAL POSITION WITH RESPECT TO SAID SOLENOID COIL MEANS, (H) SAID SOLENOID COIL UPON ENERGIZATION BEING ELECTROMAGNETICALLY LINKED WITH SAID ARMATURE SHAFT TO MOVE
Claim 2
Dependent Claim
125 words
A CONTROLLABLE TORQUE COUPLING DEVICE, COMPRISING (A) SUPPORTING FRAME MEANS, (B) SOLENOID COIL MEANS SHAFT FIXEDLY SUPPORTED BY SAID FRAME MEANS, (C) A ROTATABLE ARMATURE SHAFT MOUNTED FOR ROTATION WITHIN, AND FOR PREDETERMINED AXIAL MOVEMENT BETWEEN INACTIVE AND TORQUE-TRANSMITTING POSITIONS RELATIVE TO SAID SOLENOID COIL MEANS, (D) SAID ARMATURE SHAFT HAVING PORTIONS PROJECTING OUTWARDLY FROM SAID SOLENOID COIL MEANS, (E) A CYLINDRICAL CLUTCH DRUM FIXEDLY MOUNTED ON ONE OF SAID PROJECTING PORTIONS, (F) A ONE-PIECE DISH-SHAPED RESILIENT CLUTCH SPRING MOUNTED ON SAID ONE PROJECTING PORTION IN A PREDETERMINED SPACED RELATION WITH SAID CLUTCH DRUM, (G) SAID SPRING HAVING A SUBSTANTIALLY FIXED AXIAL POSITION WITH RESPECT TO SAID SOLENOID COIL MEANS, (H) SAID SOLENOID COIL UPON ENERGIZATION BEING ELECTROMAGNETICALLY LINKED WITH SAID ARMATURE SHAFT TO MOVE
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |