US3158716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit breaker
Assignee: General Electric Co
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Filing: 1962-07-17
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Granted: 1964-11-24
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Leonide P Koval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:38
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) A SUPPORT, (B) AT LEAST ONE MOVABLE CONTACT ARM PIVOTALLY SUPPORTED ON SAID SUPPORT, (C) OPERATING MEANS FOR OPERATING SAID MOVABLE CONTACT ARM BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS, SAID OPERATING MEANS COMPRISING A RELEASABLE TOGGLESUPPORTING MEMBER PIVOTALLY SUPPORTED ON SAID SUPPORT, (D) UPPER TOGGLE LINKS PIVOTALLY CONNECTED TO SAID RELEASABLE SUPPORT AT ONE END, (E) A PAIR OF LOWER TOGGLE LINKS PIVOTALLY CONNECTED TO SAID MOVABLE CONTACT ARM AT ONE END, (F) A KNEE PIN INTERCONNECTING SAID UPPER AND LOWER TOGGLE LINKS, (G) A HANDLE MEMBER PIVOTALLY SUPPORTED ON SAID SUPPORT, (H) AN OPERATING SPRING HAVING ONE END CONNECTED TO SAID HANDLE MEMBER AND ITS OTHER END CONNECTED TO SAID KNEE PIN OF SAID TOGGLE LINKAGE, (I) LATCH MEANS NORMALLY RESTRAINING SAID RELEASABLE TOGGLE-SUPPORTING MEMBER IN LATCHED POSITION AND OPERABLE IN RESPONSE TO PREDETERMINED CURRENT CONDITIONS TO RELEASE SAID RELEASABLE TOGGLE-SUPPORTING MEMBER, (J) STOP MEANS RIGIDLY ATTACHED TO SAID SUPPORT AND SPACED FROM SAID PIVOTAL CONNECTION OF SAID TOGGLE LINKS TO SAID CONTACT ARM, AND (K) SAID LOWER TOGGLE LINKS INCLUDING MEANS ENGAGING SAID STOP MEANS FOLLOWING RELEASE OF SAID RELEASABLE MEANS AND MAINTAINING SAID TOGGLE LINKAGE IN A PARTIALLY COLLAPSED POSITION FOLLOWING RELEASE OF SAID RELEASABLE MEANS.
Claim 2
Dependent Claim
205 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) A SUPPORT, (B) AT LEAST ONE MOVABLE CONTACT ARM PIVOTALLY SUPPORTED ON SAID SUPPORT, (C) OPERATING MEANS FOR OPERATING SAID MOVABLE CONTACT ARM BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS, SAID OPERATING MEANS COMPRISING A RELEASABLE TOGGLESUPPORTING MEMBER PIVOTALLY SUPPORTED ON SAID SUPPORT, (D) UPPER TOGGLE LINKS PIVOTALLY CONNECTED TO SAID RELEASABLE SUPPORT AT ONE END, (E) A PAIR OF LOWER TOGGLE LINKS PIVOTALLY CONNECTED TO SAID MOVABLE CONTACT ARM AT ONE END, (F) A KNEE PIN INTERCONNECTING SAID UPPER AND LOWER TOGGLE LINKS, (G) A HANDLE MEMBER PIVOTALLY SUPPORTED ON SAID SUPPORT, (H) AN OPERATING SPRING HAVING ONE END CONNECTED TO SAID HANDLE MEMBER AND ITS OTHER END CONNECTED TO SAID KNEE PIN OF SAID TOGGLE LINKAGE, (I) LATCH MEANS NORMALLY RESTRAINING SAID RELEASABLE TOGGLE-SUPPORTING MEMBER IN LATCHED POSITION AND OPERABLE IN RESPONSE TO PREDETERMINED CURRENT CONDITIONS TO RELEASE SAID RELEASABLE TOGGLE-SUPPORTING MEMBER, (J) STOP MEANS RIGIDLY ATTACHED TO SAID SUPPORT AND SPACED FROM SAID PIVOTAL CONNECTION OF SAID TOGGLE LINKS TO SAID CONTACT ARM, AND (K) SAID LOWER TOGGLE LINKS INCLUDING MEANS ENGAGING SAID STOP MEANS FOLLOWING RELEASE OF SAID RELEASABLE MEANS AND MAINTAINING SAID TOGGLE LINKAGE IN A PARTIALLY COLLAPSED POSITION FOLLOWING RELEASE OF SAID RELEASABLE MEANS.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |