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US3371296A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit breaker and motor operator

Assignee: Westinghouse Electric Corp
•
Filing: 1965-07-14
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Granted: 1968-02-27
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Expires: 1985-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 John G Salvati
  • 👤 Louis N Ricci

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:37
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 193 words
A MOTOR-OPERATING MECHANISM FOR OPERATING A CIRCUIT BREAKER OF THE TYPE COMPRISING AN INSULATING HOUSING HAVING A GENERALLY PLANAR FRONT WITH AN OPERATING HANDLE STRUCTURE EXTENDING FROM THE FRONT OF SAID HOUSING AND MOVABLE BETWEEN TWO OPERATING POSITIONS TO OPEN AND CLOSE A PAIR OF CONTACTS THAT ARE DISPOSED WITHIN THE HOUSING, SAID MOTOR-OPERATING MECHANISM COMPRISING SUPPORT MEANS ADAPTED TO BE SUPPORTED AT THE FRONT OF SAID HOUSING, SAID SUPPORT MEANS COMPRISING A BASE PLATE HAVING AN OPENING THEREIN FOR RECEIVING SAID OPERATING HANDLE, A MOTOR STRUCTURE SUPPORTED ON SAID SUPPORT MEANS, AN OPERATING SHAFT GEARED TO SAID MOTOR AND OPERABLE BY OPERATION OF SAID MOTOR STRUCTURE AND ROTATABLE ABOUT AN AXIS THAT IS GENERALLY NORMAL TO THE PLANE OF SAID PLANAR FRONT, A DRIVING FRICTION MEMBER MOUNTED ON SAID OPERATING SHAFT FOR ROTATION WITH SAID OPERATING SHAFT, A DRIVEN FRICTION DEVICE MOUNTED ON SAID OPERATING SHAFT AND ROTATABLE ABOUT SAID AXIS RELATIVE TO SAID OPERATING SHAFT, SAID DRIVEN FRICTION DEVICE COMPRISING A PAIR OF SPACED HANDLE-ENGAGING SURFACES FOR RECEIVING SAID HANDLE STRUCTURE THEREBETWEEN TO PROVIDE AN OPERATIVE CONNECTION BETWEEN SAID DRIVEN FRICTION DEVICE AND SAID OPERATING HANDLE STRUCTURE, SAID DRIVING FRICTION MEMBER
Claim 2
Dependent Claim 193 words
A MOTOR-OPERATING MECHANISM FOR OPERATING A CIRCUIT BREAKER OF THE TYPE COMPRISING AN INSULATING HOUSING HAVING A GENERALLY PLANAR FRONT WITH AN OPERATING HANDLE STRUCTURE EXTENDING FROM THE FRONT OF SAID HOUSING AND MOVABLE BETWEEN TWO OPERATING POSITIONS TO OPEN AND CLOSE A PAIR OF CONTACTS THAT ARE DISPOSED WITHIN THE HOUSING, SAID MOTOR-OPERATING MECHANISM COMPRISING SUPPORT MEANS ADAPTED TO BE SUPPORTED AT THE FRONT OF SAID HOUSING, SAID SUPPORT MEANS COMPRISING A BASE PLATE HAVING AN OPENING THEREIN FOR RECEIVING SAID OPERATING HANDLE, A MOTOR STRUCTURE SUPPORTED ON SAID SUPPORT MEANS, AN OPERATING SHAFT GEARED TO SAID MOTOR AND OPERABLE BY OPERATION OF SAID MOTOR STRUCTURE AND ROTATABLE ABOUT AN AXIS THAT IS GENERALLY NORMAL TO THE PLANE OF SAID PLANAR FRONT, A DRIVING FRICTION MEMBER MOUNTED ON SAID OPERATING SHAFT FOR ROTATION WITH SAID OPERATING SHAFT, A DRIVEN FRICTION DEVICE MOUNTED ON SAID OPERATING SHAFT AND ROTATABLE ABOUT SAID AXIS RELATIVE TO SAID OPERATING SHAFT, SAID DRIVEN FRICTION DEVICE COMPRISING A PAIR OF SPACED HANDLE-ENGAGING SURFACES FOR RECEIVING SAID HANDLE STRUCTURE THEREBETWEEN TO PROVIDE AN OPERATIVE CONNECTION BETWEEN SAID DRIVEN FRICTION DEVICE AND SAID OPERATING HANDLE STRUCTURE, SAID DRIVING FRICTION MEMBER

References Cited (Backward Citations)

US2264990A Cited
US2354135A Cited
US2959649A Cited
US3198907A Cited
US3213234A Cited
US3171920A Cited
US3213236A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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