Patent US3174022A successfully refreshed from Google Patents.
US3174022A
Expired / Lapsed
US
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Circuit breaker having stored energy operating mechanism employing a pair of overcenter toggles
Assignee: Allis Chalmers Corp
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Filing: 1962-07-19
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Granted: 1965-03-16
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Henry L Peek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:03
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/46; H01H3/22; H01H3/30; H01H3/3005; H01H3/3015; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN OPERATING MECHANISM COMPRISING IN COMBINATION A BASE STRUCTURE, A FORCE TRANSMITTING STRUCTURE MOUNTED ON SAID BASE STRUCTURE, TRIPPING MEANS CONTROLLING SAID STRUCTURE, SAID TRIPPING MEANS COMPRISING A FIRST COLLAPSIBLE TOGGLE HAVING ONE LINK THEREOF CONNECTED TO SAID STRUCTURE, SPRING MEANS CONNECTED TO SAID FORCE TRANSMITTING STRUCTURE AND TO SAID BASE STRUCTURE FOR CAUSING COLLAPSE OF SAID FIRST TOGGLE AND ACTUATION OF SAID STRUCTURE IN ONE DIRECTION, MEANS INCLUDING A LATCH FOR PREVENTING COLLAPSE OF SAID FIRST TOGGLE, MEANS FOR ACTUATING SAID LATCH TO RELEASE SAID FIRST TOGGLE, ACTUATING MEANS FOR DRIVING SAID FRIST TOGGLE TO OVERCENTER POSITION TO ACTUATE SAID STRUCTURE IN A SECOND DIRECTION AND TO CHARGE SAID SPRING, SAID ACTUATING MEANS COMPRISING A SECOND OVERCENTER TOGGLE OPERATING SEPARATELY FROM SAID FIRST TOGGLE FOR ENGAGING SAID FIRST TOGGLE DURING MOVEMENT OF SAID FIRST TOGGLE TO ITS OVERCENTER POSITION.
Claim 2
Dependent Claim
140 words
AN OPERATING MECHANISM COMPRISING IN COMBINATION A BASE STRUCTURE, A FORCE TRANSMITTING STRUCTURE MOUNTED ON SAID BASE STRUCTURE, TRIPPING MEANS CONTROLLING SAID STRUCTURE, SAID TRIPPING MEANS COMPRISING A FIRST COLLAPSIBLE TOGGLE HAVING ONE LINK THEREOF CONNECTED TO SAID STRUCTURE, SPRING MEANS CONNECTED TO SAID FORCE TRANSMITTING STRUCTURE AND TO SAID BASE STRUCTURE FOR CAUSING COLLAPSE OF SAID FIRST TOGGLE AND ACTUATION OF SAID STRUCTURE IN ONE DIRECTION, MEANS INCLUDING A LATCH FOR PREVENTING COLLAPSE OF SAID FIRST TOGGLE, MEANS FOR ACTUATING SAID LATCH TO RELEASE SAID FIRST TOGGLE, ACTUATING MEANS FOR DRIVING SAID FRIST TOGGLE TO OVERCENTER POSITION TO ACTUATE SAID STRUCTURE IN A SECOND DIRECTION AND TO CHARGE SAID SPRING, SAID ACTUATING MEANS COMPRISING A SECOND OVERCENTER TOGGLE OPERATING SEPARATELY FROM SAID FIRST TOGGLE FOR ENGAGING SAID FIRST TOGGLE DURING MOVEMENT OF SAID FIRST TOGGLE TO ITS OVERCENTER POSITION.
References Cited (Backward Citations)
US3113191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |