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US3401363A Expired / Lapsed US ⏱️ 0.0 years remaining

Multipole circuit breaker with trip indicator

Assignee: Schneider Electric USA Inc
•
Filing: 1966-11-10
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Granted: 1968-09-10
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Expires: 1986-11-10
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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

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