US3110830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor brake
Assignee: ELECTRO COUNTER AND MOTOR CORP
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Filing: 1962-04-16
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Granted: 1963-11-12
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:26
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/12; H02K7/125; F; F16; F16D; F16D59/00; F16D59/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A BRAKE FOR STOPPING THE ROTOR OF AN ELECTRIC MOTOR COMPRISING (A) A SHAFT FOR SUPPORTING THE ROTOR OF THE ELECTRIC MOTOR FOR ROTATIONAL AND AXIAL MOVEMENT RELATIVE THERETO, (B) A BRAKING MEMBER CARRIED BY THE MOTOR AND IN THE PATH OF AXIAL MOVEMENT OF SAID ROTOR ROTATABLY CARRIED BY SAID SHAFT, (C) COOPERATIVE BRAKING ELEMENTS ON SAID ROTOR AND SAID BRAKING MEMBER, (D) MEANS FOR MOVING SAID ROTOR AND SAID SHAFT AXIALLY RELATIVE TO THE MOTOR AND ITS COOPERATIVE BRAKING ELEMENT INTO BRAKING ENGAGEMENT WITH THE COOPERATIVE BRAKING ELEMENT OF SAID BRAKING MEMBER WHEN THE MOTOR IS DE-ENERGIZED. (E) A YIELDABLE PRESSURE PLATE CARRIED BY SAID BRAKING MEMBER AND FRICTIONALLY ENGAGING ONE OF THE COOPERATIVE BRAKING ELEMENTS FOR ADJUSTING THE BRAKING PRESSURE OF SAID ONE OF SAID COOPERATIVE BRAKING ELEMENTS UPON THE OTHER OF SAID BRAKING ELEMENTS TO RESTRAIN ROTATION OF SAID ROTOR AND SAID SHAFT DUE TO THEIR OWN INERTIA WHEN SAID COOPERATIVE BRAKING ELEMENTS ARE IN BRAKING ENGAGEMENT.
Claim 2
Dependent Claim
161 words
A BRAKE FOR STOPPING THE ROTOR OF AN ELECTRIC MOTOR COMPRISING (A) A SHAFT FOR SUPPORTING THE ROTOR OF THE ELECTRIC MOTOR FOR ROTATIONAL AND AXIAL MOVEMENT RELATIVE THERETO, (B) A BRAKING MEMBER CARRIED BY THE MOTOR AND IN THE PATH OF AXIAL MOVEMENT OF SAID ROTOR ROTATABLY CARRIED BY SAID SHAFT, (C) COOPERATIVE BRAKING ELEMENTS ON SAID ROTOR AND SAID BRAKING MEMBER, (D) MEANS FOR MOVING SAID ROTOR AND SAID SHAFT AXIALLY RELATIVE TO THE MOTOR AND ITS COOPERATIVE BRAKING ELEMENT INTO BRAKING ENGAGEMENT WITH THE COOPERATIVE BRAKING ELEMENT OF SAID BRAKING MEMBER WHEN THE MOTOR IS DE-ENERGIZED. (E) A YIELDABLE PRESSURE PLATE CARRIED BY SAID BRAKING MEMBER AND FRICTIONALLY ENGAGING ONE OF THE COOPERATIVE BRAKING ELEMENTS FOR ADJUSTING THE BRAKING PRESSURE OF SAID ONE OF SAID COOPERATIVE BRAKING ELEMENTS UPON THE OTHER OF SAID BRAKING ELEMENTS TO RESTRAIN ROTATION OF SAID ROTOR AND SAID SHAFT DUE TO THEIR OWN INERTIA WHEN SAID COOPERATIVE BRAKING ELEMENTS ARE IN BRAKING ENGAGEMENT.
References Cited (Backward Citations)
US2462017A
Cited
US2685043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |