US3251966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock-proof overload relay with reversing link
Assignee: ITE Circuit Breaker Co
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Filing: 1963-08-29
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Granted: 1966-05-17
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Frank W Kussy
- 👤 Marco Bernard Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:35
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054; H01H2071/1063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A CIRCUIT PROTECTIVE DEVICE OF THE CLASS DESCRIBED A HOUSING HAVING A FIRST COMPARTMENT AND A SECOND COMPARTMENT; CURRENT CARRYING ELEMENTS INCLUDING A PAIR OF SEPARABLE CONTACTS MOUNTED IN SAID FIRST COMPARTMENT, SAID ELEMENTS ALSO INCLUDING A MOVABLE ARM CARRYING A FIRST OF SAID CONTACTS; AN OVERCENTER TOGGLE MEANS INCLUDING SAID ARM; FAULT DETECTING MEANS INCLUDING A CURRENT RESPONSIVE BIMETAL DISPOSED WITHIN SAID SECOND COMPARTMENT; SAID BIMETAL MOUNTED FOR DEFLECTION IN A FIRST DIRECTION UPON HEATING THEREOF; SAID ARM MOUNTED SO THAT SAID FIRST CONTACT MOVES OPPOSITE TO SAID FIRST DIRECTION WHEN SAID PAIR OF CONTACTS ARE BEING SEPARATED; MEANS OPERATIVELY CONNECTING SAID BIMETAL AND SAID TOGGLE MEANS FOR REVERSING MOTION OF SAID BIMETAL TO BRING ABOUT SEPARATION OF SAID PAIR OF CONTACTS AFTER A PREDETERMINED DEFLECTION OF SAID BIMETAL; SAID MEANS CONNECTING SAID BIMETAL AND SAID TOGGLE MEANS BEING A SINGLE MEMBER COMPRISING A PIVOTALLY MOUNTED LEVER HAVING ONE END ENGAGEABLE BY SAID BIMETAL UPON DEFLECTION THEREOF AND HAVING ANOTHER END ENGAGEABLE WITH SAID TOGGEL MEANS TO DRIVEN SAME OVER CENTER IN A DIRECTION TO BRING ABOUT SEPARATION OF SAID PAIR OF CONTACTS.
Claim 2
Dependent Claim
185 words
IN A CIRCUIT PROTECTIVE DEVICE OF THE CLASS DESCRIBED A HOUSING HAVING A FIRST COMPARTMENT AND A SECOND COMPARTMENT; CURRENT CARRYING ELEMENTS INCLUDING A PAIR OF SEPARABLE CONTACTS MOUNTED IN SAID FIRST COMPARTMENT, SAID ELEMENTS ALSO INCLUDING A MOVABLE ARM CARRYING A FIRST OF SAID CONTACTS; AN OVERCENTER TOGGLE MEANS INCLUDING SAID ARM; FAULT DETECTING MEANS INCLUDING A CURRENT RESPONSIVE BIMETAL DISPOSED WITHIN SAID SECOND COMPARTMENT; SAID BIMETAL MOUNTED FOR DEFLECTION IN A FIRST DIRECTION UPON HEATING THEREOF; SAID ARM MOUNTED SO THAT SAID FIRST CONTACT MOVES OPPOSITE TO SAID FIRST DIRECTION WHEN SAID PAIR OF CONTACTS ARE BEING SEPARATED; MEANS OPERATIVELY CONNECTING SAID BIMETAL AND SAID TOGGLE MEANS FOR REVERSING MOTION OF SAID BIMETAL TO BRING ABOUT SEPARATION OF SAID PAIR OF CONTACTS AFTER A PREDETERMINED DEFLECTION OF SAID BIMETAL; SAID MEANS CONNECTING SAID BIMETAL AND SAID TOGGLE MEANS BEING A SINGLE MEMBER COMPRISING A PIVOTALLY MOUNTED LEVER HAVING ONE END ENGAGEABLE BY SAID BIMETAL UPON DEFLECTION THEREOF AND HAVING ANOTHER END ENGAGEABLE WITH SAID TOGGEL MEANS TO DRIVEN SAME OVER CENTER IN A DIRECTION TO BRING ABOUT SEPARATION OF SAID PAIR OF CONTACTS.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |