US3290627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Heinemann Electric Co
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Filing: 1965-04-26
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Granted: 1966-12-06
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Davis
- 👤 Mune Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027; H01H71/50; H01H71/503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN COMBINATION, A CASE, COLLAPSIBLE LINKAGE MEANS HOUSED WITHIN SAID CASE, A STATIONARY CONTACT SUPPORTED WITHIN SAID CASE, SAID LINKAGE MEANS COMPRISING A HANDLE EXTENDIG OUTSIDE OF SAID CASE, A MOVABLE CONTACT ENGAGEABLE WITH SAID STATIONARY CONTACT, A MOVABLE ARM FOR MOVING SAID MOVABLE CONTACT INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, A TOGGLE PIVOTALLY CONNECTED AT ONE END PORTION TO SAID MOVABLE ARM AND AT THE OTHER END PORTION TO SAID HANDLE, SAID TOGGLE BEING FORMED BY TWO LINKS PIVOTALLY CONNECTED TO EACH OTHER TO FORM THE TOGGLE KNEE PORTION, AND SPRING MEANS FOR AUTOMATICALLY RESETTING SAID LINKAGE MEANS AFTER ELECTROMAGNETIC TRIPPING AND COLLAPSING OF THE LINKAGE MEANS SO THAT THE CONTACTS CAN BE RECLOSED BY MOVEMENT OF SAID HANDLE FROM THE CONTACTS OPEN POSITION TO THE CONTACTS CLOSED POSITION; AND AN ELECTROMAGNETIC TRIPPING DEVICE INCLUDING AN ARMATURE FOR INITIATING MOVEMENT OF SAID LINKAGE MEANS TO THE OPEN POSITION OF SAID CONTACTS, SAID MOVABLE ARM DEFINING A SPACE BETWEEN SAID MOVABLE CONTACT AND ITS PIVOTAL CONNECTION TO SAID TOGGLE, THE TOGGLE KNEE PORTION BEING IN TELESCOPIC RELATION WITH SAID SPACE SO THAT UPON THE ELECTROMAGNETIC TRIPPING OF, AND THE COLLAPSE OF, SAID LINKAGE MEANS THE TOGGLE KNEE PORTION MOVES INTO SAID SPACE AND BACK TOWARD ITS AUTOMATICALLY RESET POSITION.
Claim 2
Dependent Claim
212 words
IN COMBINATION, A CASE, COLLAPSIBLE LINKAGE MEANS HOUSED WITHIN SAID CASE, A STATIONARY CONTACT SUPPORTED WITHIN SAID CASE, SAID LINKAGE MEANS COMPRISING A HANDLE EXTENDIG OUTSIDE OF SAID CASE, A MOVABLE CONTACT ENGAGEABLE WITH SAID STATIONARY CONTACT, A MOVABLE ARM FOR MOVING SAID MOVABLE CONTACT INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, A TOGGLE PIVOTALLY CONNECTED AT ONE END PORTION TO SAID MOVABLE ARM AND AT THE OTHER END PORTION TO SAID HANDLE, SAID TOGGLE BEING FORMED BY TWO LINKS PIVOTALLY CONNECTED TO EACH OTHER TO FORM THE TOGGLE KNEE PORTION, AND SPRING MEANS FOR AUTOMATICALLY RESETTING SAID LINKAGE MEANS AFTER ELECTROMAGNETIC TRIPPING AND COLLAPSING OF THE LINKAGE MEANS SO THAT THE CONTACTS CAN BE RECLOSED BY MOVEMENT OF SAID HANDLE FROM THE CONTACTS OPEN POSITION TO THE CONTACTS CLOSED POSITION; AND AN ELECTROMAGNETIC TRIPPING DEVICE INCLUDING AN ARMATURE FOR INITIATING MOVEMENT OF SAID LINKAGE MEANS TO THE OPEN POSITION OF SAID CONTACTS, SAID MOVABLE ARM DEFINING A SPACE BETWEEN SAID MOVABLE CONTACT AND ITS PIVOTAL CONNECTION TO SAID TOGGLE, THE TOGGLE KNEE PORTION BEING IN TELESCOPIC RELATION WITH SAID SPACE SO THAT UPON THE ELECTROMAGNETIC TRIPPING OF, AND THE COLLAPSE OF, SAID LINKAGE MEANS THE TOGGLE KNEE PORTION MOVES INTO SAID SPACE AND BACK TOWARD ITS AUTOMATICALLY RESET POSITION.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |