Patent US3268689A successfully refreshed from Google Patents.
US3268689A
Expired / Lapsed
US
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Electric circuit breaker with novel flexible braid attachment
Assignee: General Electric Co
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Filing: 1964-10-22
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Granted: 1966-08-23
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 David B Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:41
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/524; H01H1/00; H01H1/58; H01H1/5822
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
273 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN INSULATING CASING, (B) A RELATIVELY STATIONARY CONTACT MOUNTED IN SAID INSULATING CASING, (C) A CONTACT ARM PIVOTALLY SUPPORTED IN SAID INSULATING CASING ON A PREDETERMINED PIVOT SUPPORT, SAID CONTACT ARM BEING MOVABLE BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS AND HAVING A GENERALLY PLANAR CONTACT SUPPORTING PORTION, (D) A MOVABLE CONTACT MOUNTED ON ONE SIDE OF SAID CONTACT SUPPORTING PORTION AND MOVABLE THEREBY INTO AND OUT OF ENGAGEMENT WITH SAID RELATIVELY STATIONARY CONTACT, (E) A RELATIVELY STATIONARY CONDUCTIVE MEMBER MOUNTED IN SAID INSULATING CASING AT THE SIDE OF SAID CONTACT SUPPORTING PORTION OF SAID CONTACT ARM OPPOSITE SAID ONE SIDE, (F) AN ELONGATED FLEXIBLE CONDUCTOR HAVING ONE END THEREOF FIXEDLY ATTACHED TO SAID CONTACT SUPPORTING PORTION OF SAID CONTACT ARM AND HAVING ITS OTHER END FIXEDLY CONNECTED TO SAID RELATIVELY STATIONARY CONDUCTIVE MEMBER, SAID FLEXIBLE CONDUCTOR FORMING A BEND BETWEEN SAID ENDS WHEN SAID CONTACT ARM IS IN SAID OPEN-CIRCUIT POSITION, (G) SAID FLEXIBLE CONDUCTOR BEING ATTACHED TO SAID CONTACT ARM AT A PREDETERMINED POINT OF ATTACHMENT ON SAID ONE SIDE OF SAID CONTACT ARM, SAID CONTACT ARM INCLUDING A SHOULDER PORTION SPACED AWAY FROM SAID POINT OF ATTACHMENT OF SAID FLEXIBLE CONDUCTOR, SAID SHOULDER PORTION BEING SPACED FROM SAID MOVABLE CONTACT IN THE DIRECTION OF SAID PIVOT SUPPORT, SAID FLEXIBLE CONDUCTOR EXTENDING AROUND SAID SHOULDER PORTION, SAID SHOULDER PORTION OF SAID CONTACT ARM BEING WITHIN THE BEND FORMED IN SAID FLEXIBLE CONDUCTOR WHEN SAID CONTACT ARM IS IN SAID OPEN-CIRCUIT POSITION, SAID SHOULDER PREVENTING BENDING OF SAID FLEXIBLE CONDUCTOR CLOSE TO SAID POINT TO ATTACHMENT AND LIMITING THE SHARPNESS OF SAID BEND OF SAID FLEXIBLE CONDUCTOR.
Claim 2
Dependent Claim
273 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN INSULATING CASING, (B) A RELATIVELY STATIONARY CONTACT MOUNTED IN SAID INSULATING CASING, (C) A CONTACT ARM PIVOTALLY SUPPORTED IN SAID INSULATING CASING ON A PREDETERMINED PIVOT SUPPORT, SAID CONTACT ARM BEING MOVABLE BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS AND HAVING A GENERALLY PLANAR CONTACT SUPPORTING PORTION, (D) A MOVABLE CONTACT MOUNTED ON ONE SIDE OF SAID CONTACT SUPPORTING PORTION AND MOVABLE THEREBY INTO AND OUT OF ENGAGEMENT WITH SAID RELATIVELY STATIONARY CONTACT, (E) A RELATIVELY STATIONARY CONDUCTIVE MEMBER MOUNTED IN SAID INSULATING CASING AT THE SIDE OF SAID CONTACT SUPPORTING PORTION OF SAID CONTACT ARM OPPOSITE SAID ONE SIDE, (F) AN ELONGATED FLEXIBLE CONDUCTOR HAVING ONE END THEREOF FIXEDLY ATTACHED TO SAID CONTACT SUPPORTING PORTION OF SAID CONTACT ARM AND HAVING ITS OTHER END FIXEDLY CONNECTED TO SAID RELATIVELY STATIONARY CONDUCTIVE MEMBER, SAID FLEXIBLE CONDUCTOR FORMING A BEND BETWEEN SAID ENDS WHEN SAID CONTACT ARM IS IN SAID OPEN-CIRCUIT POSITION, (G) SAID FLEXIBLE CONDUCTOR BEING ATTACHED TO SAID CONTACT ARM AT A PREDETERMINED POINT OF ATTACHMENT ON SAID ONE SIDE OF SAID CONTACT ARM, SAID CONTACT ARM INCLUDING A SHOULDER PORTION SPACED AWAY FROM SAID POINT OF ATTACHMENT OF SAID FLEXIBLE CONDUCTOR, SAID SHOULDER PORTION BEING SPACED FROM SAID MOVABLE CONTACT IN THE DIRECTION OF SAID PIVOT SUPPORT, SAID FLEXIBLE CONDUCTOR EXTENDING AROUND SAID SHOULDER PORTION, SAID SHOULDER PORTION OF SAID CONTACT ARM BEING WITHIN THE BEND FORMED IN SAID FLEXIBLE CONDUCTOR WHEN SAID CONTACT ARM IS IN SAID OPEN-CIRCUIT POSITION, SAID SHOULDER PREVENTING BENDING OF SAID FLEXIBLE CONDUCTOR CLOSE TO SAID POINT TO ATTACHMENT AND LIMITING THE SHARPNESS OF SAID BEND OF SAID FLEXIBLE CONDUCTOR.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |