US3182157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Over-center cam and anti-rebound means
Assignee: ITE Circuit Breaker Co
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Filing: 1961-05-09
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Granted: 1965-05-04
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 John C Brumfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A CIRCUIT BREAKER, A PAIR OF COOPERATING CONTACTS AND A MECHANISM FOR OPERATING SAID CONTACTS INTO AND OUT OF ENGAGEMENT; SAID MECHANISM COMPRISING A LATCHABLE CRADLE, A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, FIRST MEANS CONNECTING SAID CRADLE AND SAID CONTACT ARM IN A MANNER SUCH THAT SAID CONTACTS CANNOT BE OPERATED INTO ENGAGEMENT UNLESS SAID CRADLE IS IN A LATCHED POSITION, AN OPERATING SPRING MEANS URGING SAID CRADLE TO A TRIPPED POSITION; SAID FIRST MEANS COMPRISING A TOGGLE LINKAGE WITH ONE END CONNECTED TO SAID CRADLE AND THE OTHER END CONNECTED TO SAID CONTACT ARM; A FRAME TO WHICH SAID CRADLE IS PIVOTED; SAID FRAME INCLUDING A FIRST PORTION POSITIONED ALONG THE DIRECTION OF TRAVEL OF SAID TOGGLE LINKAGE; SAID TOGGLE LINKAGE INCLUDING A SEC-
Claim 2
Dependent Claim
130 words
IN A CIRCUIT BREAKER, A PAIR OF COOPERATING CONTACTS AND A MECHANISM FOR OPERATING SAID CONTACTS INTO AND OUT OF ENGAGEMENT; SAID MECHANISM COMPRISING A LATCHABLE CRADLE, A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, FIRST MEANS CONNECTING SAID CRADLE AND SAID CONTACT ARM IN A MANNER SUCH THAT SAID CONTACTS CANNOT BE OPERATED INTO ENGAGEMENT UNLESS SAID CRADLE IS IN A LATCHED POSITION, AN OPERATING SPRING MEANS URGING SAID CRADLE TO A TRIPPED POSITION; SAID FIRST MEANS COMPRISING A TOGGLE LINKAGE WITH ONE END CONNECTED TO SAID CRADLE AND THE OTHER END CONNECTED TO SAID CONTACT ARM; A FRAME TO WHICH SAID CRADLE IS PIVOTED; SAID FRAME INCLUDING A FIRST PORTION POSITIONED ALONG THE DIRECTION OF TRAVEL OF SAID TOGGLE LINKAGE; SAID TOGGLE LINKAGE INCLUDING A SEC-
References Cited (Backward Citations)
US2829219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |