Patent US3113191A successfully refreshed from Google Patents.
US3113191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for an electric circuit breaker
Assignee: General Electric Co
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Filing: 1961-02-14
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Granted: 1963-12-03
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Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/36; H01H3/00; H01H3/60; H01H3/605; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A CIRCUIT BREAKER OPERATING MECHANISM COMPRISING A LINKAGE FOR TRANSMITTING FORCE FOR CLOSING SAID CIRCUIT BREAKER, MEANS INCLUDING A ROTATABLE MAIN CAM FOR TRANSMITTING CIRCUIT-BREAKER CLOSING FORCE TO SAID LINKAGE, MOTOR MEANS OPERABLE UPON ENERGIZATION TO SUPPLY CLOSING FORCE TO SAID ROTATABLE MAIN CAM, MEANS FOR DEENERGIZING SAID MOTOR MEANS UPON MOVEMENT OF SAID MAIN CAM INTO A PREDETERMINED POSITION FOLLOWING INITIATION OF A CIRCUITBREAKER CLOSING OPERATION, AN AUXILIARY CAM MECHANICALLY COUPLED TO SAID MAIN CAM FOR ROTATION AT THE SAME ANGULAR SPEED AS SAID MAIN CAM, A LIQUID-CONTAINING DASHPOT HAVING A RECIPROCABLE PISTON THAT IS RETARDED BY SAID LIQUID DURING MOTION IN ONE DIRECTION, MEANS FOR CAUSING ROTARY MOTION OF SAID AUXILIARY CAM TO DRIVE SAID DASHPOT PISTON IN ITS DIRECTION OF RETARDED MOTION DURING TRAVEL OF SAID AUXILIARY CAM OCCURRING AFTER DEENERGIZATION OF SAID MOTOR MEANS AND AFTER CLOSING OF SAID CIRCUIT BREAKER IS COMPLETED WHEREBY TO DISSIPATE THE KINETIC ENERGY STORED IN SAID MOTOR MEANS AND STOP SAID MAIN CAM IN A TERMINAL POSITION, AND MEANS FOR CAUSING SAID MOTOR MEANS TO PRODUCE RECLOSING OF SAID CIRCUIT BREAKER BY DRIVING SAID
Claim 2
Dependent Claim
184 words
A CIRCUIT BREAKER OPERATING MECHANISM COMPRISING A LINKAGE FOR TRANSMITTING FORCE FOR CLOSING SAID CIRCUIT BREAKER, MEANS INCLUDING A ROTATABLE MAIN CAM FOR TRANSMITTING CIRCUIT-BREAKER CLOSING FORCE TO SAID LINKAGE, MOTOR MEANS OPERABLE UPON ENERGIZATION TO SUPPLY CLOSING FORCE TO SAID ROTATABLE MAIN CAM, MEANS FOR DEENERGIZING SAID MOTOR MEANS UPON MOVEMENT OF SAID MAIN CAM INTO A PREDETERMINED POSITION FOLLOWING INITIATION OF A CIRCUITBREAKER CLOSING OPERATION, AN AUXILIARY CAM MECHANICALLY COUPLED TO SAID MAIN CAM FOR ROTATION AT THE SAME ANGULAR SPEED AS SAID MAIN CAM, A LIQUID-CONTAINING DASHPOT HAVING A RECIPROCABLE PISTON THAT IS RETARDED BY SAID LIQUID DURING MOTION IN ONE DIRECTION, MEANS FOR CAUSING ROTARY MOTION OF SAID AUXILIARY CAM TO DRIVE SAID DASHPOT PISTON IN ITS DIRECTION OF RETARDED MOTION DURING TRAVEL OF SAID AUXILIARY CAM OCCURRING AFTER DEENERGIZATION OF SAID MOTOR MEANS AND AFTER CLOSING OF SAID CIRCUIT BREAKER IS COMPLETED WHEREBY TO DISSIPATE THE KINETIC ENERGY STORED IN SAID MOTOR MEANS AND STOP SAID MAIN CAM IN A TERMINAL POSITION, AND MEANS FOR CAUSING SAID MOTOR MEANS TO PRODUCE RECLOSING OF SAID CIRCUIT BREAKER BY DRIVING SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |