US3401363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipole circuit breaker with trip indicator
Assignee: Schneider Electric USA Inc
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Filing: 1966-11-10
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Granted: 1968-09-10
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Charles D Vyskocil
- 👤 Robert W Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:29
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/04; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
278 words
IN A CIRCUIT BREAKER: A CONTACT MAKING AND BREAKING ASSEMBLY COMPRISING A STATIONARY CONTACT, A MOVABLE CONTACT, AND A MOVABLE CARRIER FOR THE MOVABLE CONTACT; A TRIP MECHANISM COMPRISING A PIVOTED TRIP LEVER ROTATABLE ABOUT ITS AXIS TO TRIPPED AND UNTRIPPED POSITION, RESPECTIVELY, CURRENT-RESPONSIVE TRIP MEANS OPERATIVE UNDER NORMAL CURRENT CONDITIONS TO LATCH THE TRIP LEVER IN UNTRIPPED POSITION AND OPERATIVE UNDER ABNORMAL CURRENT CONDITIONS TO RELEASE THE TRIP LEVER FOR MOVEMENT TO TRIPPED POSITION, MEANS OPERATIVE TO MOVE THE TRIP LEVER TO TRIPPED POSITION WHEN THE LEVER IS RELEASED BY THE TRIP MECHANISM, AND MEANS CONNECTING THE TRIP LEVER AND MOVABLE CONTACT CARRIER FOR MOVING THE CARRIER OUT OF CONTACT MAKING POSITION WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITION WHILE THE MANUAL OPERATION IS IN ON POSITION; AN INDICATOR MOVABLE INTO AND OUT OF AN INDICATING POSITION; A MANUAL OPERATOR MOVABLE TO ON AND OFF POSITIONS FOR MOVING THE MOVABLE CONTACT TO AND FROM CONTACT MAKING POSITION, RESPECTIVELY; AND MEANS CONNECTING THE TRIP LEVER AND MOVABLE CONTACT CARRIER FOR MOVING THE CARRIER OUT OF CONTACT MAKING POSITION WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITION WHILE THE MANUAL OPERATOR IS IN ON POSITION; A MOVABLE TRIP BAR ELEMENT; MEANS CONNECTING THE TRIP BAR ELEMENT TO THE TRIP LEVER FOR ROCKING THE BAR ELEMENT BY THE LEVER WHEN THE LEVER IS TRIPPED; MEANS CONNECTING THE TRIP BAR ELEMENT TO THE INDICATOR SO AS TO MOVE THE INDICATOR TO AN INDICATING POSITION BY THE TRIP BAR ELEMENT WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITON, AND MEANS OPERATIVE TO MOVE THE INDICATOR TO A NONINDICATING POSITION WHEN THE TRIP LEVER IS MOVED TO UNTRIPPED POSITION.
Claim 2
Dependent Claim
278 words
IN A CIRCUIT BREAKER: A CONTACT MAKING AND BREAKING ASSEMBLY COMPRISING A STATIONARY CONTACT, A MOVABLE CONTACT, AND A MOVABLE CARRIER FOR THE MOVABLE CONTACT; A TRIP MECHANISM COMPRISING A PIVOTED TRIP LEVER ROTATABLE ABOUT ITS AXIS TO TRIPPED AND UNTRIPPED POSITION, RESPECTIVELY, CURRENT-RESPONSIVE TRIP MEANS OPERATIVE UNDER NORMAL CURRENT CONDITIONS TO LATCH THE TRIP LEVER IN UNTRIPPED POSITION AND OPERATIVE UNDER ABNORMAL CURRENT CONDITIONS TO RELEASE THE TRIP LEVER FOR MOVEMENT TO TRIPPED POSITION, MEANS OPERATIVE TO MOVE THE TRIP LEVER TO TRIPPED POSITION WHEN THE LEVER IS RELEASED BY THE TRIP MECHANISM, AND MEANS CONNECTING THE TRIP LEVER AND MOVABLE CONTACT CARRIER FOR MOVING THE CARRIER OUT OF CONTACT MAKING POSITION WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITION WHILE THE MANUAL OPERATION IS IN ON POSITION; AN INDICATOR MOVABLE INTO AND OUT OF AN INDICATING POSITION; A MANUAL OPERATOR MOVABLE TO ON AND OFF POSITIONS FOR MOVING THE MOVABLE CONTACT TO AND FROM CONTACT MAKING POSITION, RESPECTIVELY; AND MEANS CONNECTING THE TRIP LEVER AND MOVABLE CONTACT CARRIER FOR MOVING THE CARRIER OUT OF CONTACT MAKING POSITION WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITION WHILE THE MANUAL OPERATOR IS IN ON POSITION; A MOVABLE TRIP BAR ELEMENT; MEANS CONNECTING THE TRIP BAR ELEMENT TO THE TRIP LEVER FOR ROCKING THE BAR ELEMENT BY THE LEVER WHEN THE LEVER IS TRIPPED; MEANS CONNECTING THE TRIP BAR ELEMENT TO THE INDICATOR SO AS TO MOVE THE INDICATOR TO AN INDICATING POSITION BY THE TRIP BAR ELEMENT WHEN THE TRIP LEVER IS MOVED TO TRIPPED POSITON, AND MEANS OPERATIVE TO MOVE THE INDICATOR TO A NONINDICATING POSITION WHEN THE TRIP LEVER IS MOVED TO UNTRIPPED POSITION.
References Cited (Backward Citations)
CA657744A
Cited
US2367382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |