Patent US3201557A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3201557A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit breaker handle assembly with improved force transfer characteristics

Assignee: ITE Circuit Breaker Co
•
Filing: 1962-02-13
•
Granted: 1965-08-17
•
Expires: 1982-02-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Wilson W Poulton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:58
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 149 words
A CIRCUIT BREAKER UNIT, COMPRISING IN COMBINATION, AN OPERATING HANDLE ASSEMBLY AND A CIRCUIT BREAKER OPERATING MECHANISM CONNECTED THERETO; SAID OPERATING MECHANISM HAVING A CRADLE MEMBER; SAID CRADLE MEMBER MOVABLE BETWEEN ITS OPERATING CONDITIONS BY SAID HANDLE ASSEMBLY; HIGH ENERGY BIASING MEANS OPERATIVELY CONNECTED TO SAID CRADLE MEMBER FOR EXERTING SUBSTANTIAL FORCES DURING AT LEAST PORTIONS OF SAID MOVEMENT; SAID ASSEMBLY COMPRISING A HANDLE MEMBER HAVING A BASE PORTION AND A PROJECTING HANDLE PORTION INTEGRAL THEREWITH; SAID PROJECTING HANDLE BEING ACCESSIBLE OUTSIDE OF THE CIRCUIT BREAKER COVER, AT LEAST ONE PROJECTING PIN EXTENDING FROM SAID CRADLE MEMBER, SAID BASE PORTION HAVING AT LEAST ONE RECESS; SAID RECESS SAID PROJECTING PIN; SAID PROJECTING PIN AND SAID RECESS DIMENSIONED TO FIXEDLY SECURE SAID HANDLE TO SAID OPERATING MECHANISM AND TRANSFER SUBSTANTIALLY ALL OF THE STRAIN IMPOSED UPON SAID OPERATING HANDLE BY SAID SUBSTANTIAL FORCES DURING OPERATING THEREOF TO SAID OPERATING MECHANISM.
Claim 2
Dependent Claim 149 words
A CIRCUIT BREAKER UNIT, COMPRISING IN COMBINATION, AN OPERATING HANDLE ASSEMBLY AND A CIRCUIT BREAKER OPERATING MECHANISM CONNECTED THERETO; SAID OPERATING MECHANISM HAVING A CRADLE MEMBER; SAID CRADLE MEMBER MOVABLE BETWEEN ITS OPERATING CONDITIONS BY SAID HANDLE ASSEMBLY; HIGH ENERGY BIASING MEANS OPERATIVELY CONNECTED TO SAID CRADLE MEMBER FOR EXERTING SUBSTANTIAL FORCES DURING AT LEAST PORTIONS OF SAID MOVEMENT; SAID ASSEMBLY COMPRISING A HANDLE MEMBER HAVING A BASE PORTION AND A PROJECTING HANDLE PORTION INTEGRAL THEREWITH; SAID PROJECTING HANDLE BEING ACCESSIBLE OUTSIDE OF THE CIRCUIT BREAKER COVER, AT LEAST ONE PROJECTING PIN EXTENDING FROM SAID CRADLE MEMBER, SAID BASE PORTION HAVING AT LEAST ONE RECESS; SAID RECESS SAID PROJECTING PIN; SAID PROJECTING PIN AND SAID RECESS DIMENSIONED TO FIXEDLY SECURE SAID HANDLE TO SAID OPERATING MECHANISM AND TRANSFER SUBSTANTIALLY ALL OF THE STRAIN IMPOSED UPON SAID OPERATING HANDLE BY SAID SUBSTANTIAL FORCES DURING OPERATING THEREOF TO SAID OPERATING MECHANISM.

References Cited (Backward Citations)

GB271991A Cited
US1718040A Cited
US1940716A Cited
US2230713A Cited
US2807692A Cited
US3114023A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-16 1969-02-15 1969-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-16 1973-02-15 1973-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-16 1977-02-15 1977-08-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag