US3180953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic trip device
Assignee: ITE Circuit Breaker Co
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Filing: 1962-02-19
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Granted: 1965-04-27
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Martin V Zubaty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:22
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
AN AUTOMATIC TRIP DEVICE FOR A CIRCUIT BREAKER, SAID DEVICE COMPRISING AN ELECTRO-MAGNET HAVING A U-SHAPED POLE PIECE INCLUDING SPACE-SEPARATED ARMS, A CONNECTING WEB AND A POLE FACES LYING IN A COMMON PLANE PERPENDICULAR TO SAID U-FORMING ARMS AND WEB, A U-SHAPED RETAINER ELEMENT, SAID RETAINER ELEMENT INCLUDING SPACE SEPARATED ARMS, SAID POLE PIECE NESTED WITHIN SAID RETAINER ELEMENT WITH THE WEBS OF THE NESTED MEMBERS ADJACENT TO EACH OTHER, SAID RETAINER ELEMENT ARMS EACH INCLUDING A PORTION EXTENDING BEYOND SAID U-SHAPED POLE PIECE, AND PERPENDICULAR TO SAID POLE FACES; THE EXTENDING PORTION OF ONE OF SAID ARMS HAVING A FIRST APERTURE LOCATED ADJACENT A FIRST END OF SAID POLE FACES, THE EXTENDING PORTION OF THE OTHER OF SAID ARMS HAVING A SECOND APERTURE LOCATED ADJACENT A FIRST END OF THE OTHER OF SAID POLE FACES; SAID FIRST AND SECOND APERTURES IN ALIGNMENT AND DEFINING A PIVOTAL AXIS ACROSS SAID POLE FACES AT THEIR FIRST END; AN ARMATURE FOR SAID ELECTRO-MAGNET; SAID ARMATURE INCLUDING PIVOT MEANS EXTENDING INTO SAID FIRST AND SECOND APERTURES FOR PIVOTALLY MOUNTING SAID ARMATURE TO SAID EXTENDING PORTIONS, SUCH THAT THE PIVOTED END OF SAID ARMATURE EXTENDS ACROSS SAID POLE FACES AT THE FIRST END THEREOF; SPRING MEANS FOR URGING SAID ARMATURE ABOUT SAID PIVOTAL AXIS IN A DIRECTION AWAY FROM SAID POLE FACES.
Claim 2
Dependent Claim
218 words
AN AUTOMATIC TRIP DEVICE FOR A CIRCUIT BREAKER, SAID DEVICE COMPRISING AN ELECTRO-MAGNET HAVING A U-SHAPED POLE PIECE INCLUDING SPACE-SEPARATED ARMS, A CONNECTING WEB AND A POLE FACES LYING IN A COMMON PLANE PERPENDICULAR TO SAID U-FORMING ARMS AND WEB, A U-SHAPED RETAINER ELEMENT, SAID RETAINER ELEMENT INCLUDING SPACE SEPARATED ARMS, SAID POLE PIECE NESTED WITHIN SAID RETAINER ELEMENT WITH THE WEBS OF THE NESTED MEMBERS ADJACENT TO EACH OTHER, SAID RETAINER ELEMENT ARMS EACH INCLUDING A PORTION EXTENDING BEYOND SAID U-SHAPED POLE PIECE, AND PERPENDICULAR TO SAID POLE FACES; THE EXTENDING PORTION OF ONE OF SAID ARMS HAVING A FIRST APERTURE LOCATED ADJACENT A FIRST END OF SAID POLE FACES, THE EXTENDING PORTION OF THE OTHER OF SAID ARMS HAVING A SECOND APERTURE LOCATED ADJACENT A FIRST END OF THE OTHER OF SAID POLE FACES; SAID FIRST AND SECOND APERTURES IN ALIGNMENT AND DEFINING A PIVOTAL AXIS ACROSS SAID POLE FACES AT THEIR FIRST END; AN ARMATURE FOR SAID ELECTRO-MAGNET; SAID ARMATURE INCLUDING PIVOT MEANS EXTENDING INTO SAID FIRST AND SECOND APERTURES FOR PIVOTALLY MOUNTING SAID ARMATURE TO SAID EXTENDING PORTIONS, SUCH THAT THE PIVOTED END OF SAID ARMATURE EXTENDS ACROSS SAID POLE FACES AT THE FIRST END THEREOF; SPRING MEANS FOR URGING SAID ARMATURE ABOUT SAID PIVOTAL AXIS IN A DIRECTION AWAY FROM SAID POLE FACES.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |