Patent US3416014A successfully refreshed from Google Patents.
US3416014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unidirectional starting mechanism for synchronous a.c. self-starting motors
Assignee: SESSIONS CLOCK CO
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Filing: 1966-05-16
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Granted: 1968-12-10
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 John C Kuzara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:38
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/118; H02K7/1185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A UNIDIRECTIONAL ROTATIONAL CONTROL MECHANISM FOR A MOTOR HAVING A ROTOR CAPABLE OF REVOLVING IN EITHER DIRECTION, SAID MOTOR COMPRISING A STATOR HAVING A PLURALITY OF STATOR POLES, SAID MECHANISM COMPRISING: A ROTATING MEMBER ATTACHED TO SAID ROTOR TO REVOLVE THEREWITH AND HAVING AN ODD NUMBER OF LOBES; A CAM HAVING AN INTERNAL CAM SURFACE ADJACENT TO SAID ROTATING MEMBER TO BE ENGAGED BY SAID LOBES, SAID CAM SURFACE BEING DIVIDED INTO FIRST AND SECOND SYMMETRICAL ABOUT A CENTER, EACH OF SIAD PARTS COMPRISING A SLOPING RAMP WHICH BEGINS AT A RADIAL DISTANCE FROM SAID CENTER GREATER THAN THE MAXIMUM RADIUS OF ANY OF SAID LOBES AND TERMINATES CLOSER TO SAID CENTER THAN THE RADIUS OF SAID LOBES, SAID FIRST PART HAVING AN ABUTMENT EDGE JOINING THE TERMINATING END OF SAID FIRST PART TO THE OTHER END OF SAID SECOND PART AND SAID SECOND PART HAVING A SECOND ABUTMENT EDGE JOINING
Claim 2
Dependent Claim
151 words
A UNIDIRECTIONAL ROTATIONAL CONTROL MECHANISM FOR A MOTOR HAVING A ROTOR CAPABLE OF REVOLVING IN EITHER DIRECTION, SAID MOTOR COMPRISING A STATOR HAVING A PLURALITY OF STATOR POLES, SAID MECHANISM COMPRISING: A ROTATING MEMBER ATTACHED TO SAID ROTOR TO REVOLVE THEREWITH AND HAVING AN ODD NUMBER OF LOBES; A CAM HAVING AN INTERNAL CAM SURFACE ADJACENT TO SAID ROTATING MEMBER TO BE ENGAGED BY SAID LOBES, SAID CAM SURFACE BEING DIVIDED INTO FIRST AND SECOND SYMMETRICAL ABOUT A CENTER, EACH OF SIAD PARTS COMPRISING A SLOPING RAMP WHICH BEGINS AT A RADIAL DISTANCE FROM SAID CENTER GREATER THAN THE MAXIMUM RADIUS OF ANY OF SAID LOBES AND TERMINATES CLOSER TO SAID CENTER THAN THE RADIUS OF SAID LOBES, SAID FIRST PART HAVING AN ABUTMENT EDGE JOINING THE TERMINATING END OF SAID FIRST PART TO THE OTHER END OF SAID SECOND PART AND SAID SECOND PART HAVING A SECOND ABUTMENT EDGE JOINING
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |