US3116387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle common trip interlock for multipole circuit breakers
Assignee: Wadsworth Electric Manufacturing Co
•
Filing: 1958-12-10
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Granted: 1963-12-31
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Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 William H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/1009; H01H71/1027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A COMMON TRIP INTERLOCK FOR ADJOINING CIRCUIT BREAKERS EACH HAVING A CASING, A FIXED CONTACT, A MOVABLE CONTACT, A CARRIER FOR SAID MOVABLE CONTACT, FLEXIBLE CURRENT RESPONSIVE MEANS HAVING A LATCH ENGAGEABLE WITH SAID CARRIER FOR HOLDING SAID CONTACTS IN ENGAGED POSITION, SAID INTERLOCK COMPRISING, A BELL CRANK LINK PIVOTED TO SAID CASING, A TOGGLE LINK PIVOTALLY MOUNTED AT ONE END TO ONE END OF SAID BELL CRANK LINK, AT THE OTHER END OF SAID TOGGLE LINK A TRANSVERSE TRIP PIN PROJECTING FROM EACH SIDE OF SAID TOGGLE LINK INTO ADJOINING CASINGS ADJACENT SAID CURRENT RESPONSIVE MEANS, A CAM SLOT IN AT LEAST ONE OF SAID CASINGS THROUGH WHICH SAID TRIP PIN PASSES TO CONFINE SAID TRIP PIN TO SUBSTANTIALLY LINEAR MOTION, A TRANSVERSE
Claim 2
Dependent Claim
124 words
A COMMON TRIP INTERLOCK FOR ADJOINING CIRCUIT BREAKERS EACH HAVING A CASING, A FIXED CONTACT, A MOVABLE CONTACT, A CARRIER FOR SAID MOVABLE CONTACT, FLEXIBLE CURRENT RESPONSIVE MEANS HAVING A LATCH ENGAGEABLE WITH SAID CARRIER FOR HOLDING SAID CONTACTS IN ENGAGED POSITION, SAID INTERLOCK COMPRISING, A BELL CRANK LINK PIVOTED TO SAID CASING, A TOGGLE LINK PIVOTALLY MOUNTED AT ONE END TO ONE END OF SAID BELL CRANK LINK, AT THE OTHER END OF SAID TOGGLE LINK A TRANSVERSE TRIP PIN PROJECTING FROM EACH SIDE OF SAID TOGGLE LINK INTO ADJOINING CASINGS ADJACENT SAID CURRENT RESPONSIVE MEANS, A CAM SLOT IN AT LEAST ONE OF SAID CASINGS THROUGH WHICH SAID TRIP PIN PASSES TO CONFINE SAID TRIP PIN TO SUBSTANTIALLY LINEAR MOTION, A TRANSVERSE
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |