Patent US3116387A successfully refreshed from Google Patents.
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
•
Granted: 1963-12-31
•
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 16:11
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
References Cited (Backward Citations)
US2222312A
Cited
US2318085A
Cited
US2503409A
Cited
US2692926A
Cited
US2824191A
Cited
US2779831A
Cited
US2797277A
Cited
US2889428A
Cited
US2923795A
Cited
US2875289A
Cited
US2878332A
Cited
US2967917A
Cited
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 |