US3354993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One way brake for a self-starting synchronous motor
Assignee: US Philips Corp
•
Filing: 1965-06-08
•
Granted: 1967-11-28
•
Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Lely Piet Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:20
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/118; H02K7/1185; F; F16; F16D; F16D59/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A TRANSMISSION FOR PROVIDING UNIDIRECTIONAL ROTATION FOR A SYNCHRONOUS MOTOR COMPRISING: A MOTOR SHAFT HAVING AN END FACE THEREOF; AN OUTER SHAFT HAVING AN END FACE THEREON; SAID END FACES OF SAID MOTOR SHAFT AND SAID OUTPUT SHAFT BEING IN OPPOSED SPACED RELATION; A BODY PIVOTALLY MOUNTED ON SAID END FACE OF SAID DRIVE SHAFT; STOP MEANS ADJACENT SAID BODY ADAPTED TO ENGAGE SAID BODY TO PREVENT ROTATION OF SAID MOTOR SHAFT IN ONE DIRECTION; AND A PIN MOUNTED ON THE END FACE OF SAID OUTPUT SHAFT SLIDABLY ENGAGING SAID BODY, SAID PIN DRIVABLY INTERCONNECTING SAID MOTOR SHAFT AND SAID OUTPUT SHAFT DURING ROTATION OF SAID MOTOR SHAFT IN THE OTHER DIRECTION AND GUIDING SAID BODY INTO ABUTTING ENGAGEMENT WITH SAID STOP MEANS DURING ROTATION IN SAID ONE DIRECTION.
Claim 2
Dependent Claim
129 words
A TRANSMISSION FOR PROVIDING UNIDIRECTIONAL ROTATION FOR A SYNCHRONOUS MOTOR COMPRISING: A MOTOR SHAFT HAVING AN END FACE THEREOF; AN OUTER SHAFT HAVING AN END FACE THEREON; SAID END FACES OF SAID MOTOR SHAFT AND SAID OUTPUT SHAFT BEING IN OPPOSED SPACED RELATION; A BODY PIVOTALLY MOUNTED ON SAID END FACE OF SAID DRIVE SHAFT; STOP MEANS ADJACENT SAID BODY ADAPTED TO ENGAGE SAID BODY TO PREVENT ROTATION OF SAID MOTOR SHAFT IN ONE DIRECTION; AND A PIN MOUNTED ON THE END FACE OF SAID OUTPUT SHAFT SLIDABLY ENGAGING SAID BODY, SAID PIN DRIVABLY INTERCONNECTING SAID MOTOR SHAFT AND SAID OUTPUT SHAFT DURING ROTATION OF SAID MOTOR SHAFT IN THE OTHER DIRECTION AND GUIDING SAID BODY INTO ABUTTING ENGAGEMENT WITH SAID STOP MEANS DURING ROTATION IN SAID ONE DIRECTION.
References Cited (Backward Citations)
US1908905A
Cited
US2341753A
Cited
US2750007A
Cited
DE1091221B
Cited
US3231770A
Cited
US3200915A
Cited
US3135137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |