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US3328552A
Expired / Lapsed
US
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Electric switching device
Assignee: Schneider Electric USA Inc
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Filing: 1966-04-04
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Granted: 1967-06-27
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Gribble
- 👤 Merlin Y Turnbull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/0006; H01H11/0012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
338 words
AN ELECTRIC SWITCH COMPRISING: A BASE FORMED OF MOLDED INSULATING MATERIAL TO HAVE A SOLID REAR WALL AND AN OPEN FRONT WALL EXPOSING AT LEAST ONE PAIR OF CAVITIES WHICH ARE DISPOSED ON OPPOSITE SIDES OF A CENTERLINE THROUGH THE SAID BASE, A PAIR OF STATIONARY CONTACT BLIES WITH EACH ONE OF SAID PAIR OF STATIONARY CONTACT ASSEMASSEMBLIES MOUNTED ON THE BASE IN ONE OF THE SAID PAIR OF CAVITIES, EACH OF SAID STATIONARY CONTACT ASSEMBLIES BEING IDENTICAL AND COMPRISING A MOUNTING PORTION DETACHABLY AND REVERSIBLY MOUNTED ON THE REAR WALL AND EACH OF SAID STATIONARY CONTACT ASSEMBLIES FURTHER COMPRISING A CONTACT SURFACE OFFSET FROM THE MOUNTING PORTION SUCH THAT THE DIRECTION OF OFFSET OF SAID CONTACT SURFACE IS REVERSED WHEN THE MOUNTING PORTION IS REVERSED, A MOLDED CONTACT CARRIER RECIPROCALLY MOVABLE IN A LINEAR PATH ALONG THE CENTERLINE BETWEEN THE CONTACT SURFACES, A MOVABLE CONTACT ASSEMBLY INCLUDING A BRIDGING MEMBER CARRIED BY AND EXTENDING BEYOND OPPOSITE SIDES OF SAID CARRIER AND HAVING AT EACH END A CONTACT SURFACE OFFSET THEREFROM BY AN AMOUNT EQUAL TO THE OFFSET OF SAID STATIONARY CONTACT SURFACES, AND A SPRING BIASING SAID BRIDGING MEMBER IN ONE DIRECTION ON THE SAID CARRIER, SAID SPRING AND BRIDGING MEMBER BEING REVERSIBLE END FOR END TO REVERSE THE DIRECTION OF SAID BIAS AND THE OFFSET OF THE CONTACT SURFACES ON THE BRIDGING MEMBER WHEREBY THE SWITCH IS CONVERTIBLE TO PROVIDE A NORMALLY OPEN AND A NORMALLY CLOSED OPERATION OF THE CONTACTS, A REMOVABLE COVER FOR THE FRONT WALL CLOSING THE CAVITIES WHEN THE COVER IS SECURED TO THE BASE AND EXPOSING THE STATIONARY CONTACTS AND THE MOVABLE CONTACT ASSEMBLY WHEN THE COVER IS DETACHED FROM THE BASE, SAID COVER AND BASE EACH HAVING A PAIR OF SPACED OPENINGS IN ALIGNMENT ALONG THE CENTERLINE, AND PROJECTIONS OF THE CARRIER MOVABLE IN SAID OPENINGS GUIDING THE CARRIER IN ITS LINEAR PATH OF MOVEMENT WITH ONE OF SAID PROJECTIONS INCLUDING AN EXTENSION WHICH PROJECTS BEYOND THE EXTERIOR SURFACE OF THE REAR WALL PROVIDING A MEANS FOR ACTUATING THE SWITCH.
Claim 2
Dependent Claim
338 words
AN ELECTRIC SWITCH COMPRISING: A BASE FORMED OF MOLDED INSULATING MATERIAL TO HAVE A SOLID REAR WALL AND AN OPEN FRONT WALL EXPOSING AT LEAST ONE PAIR OF CAVITIES WHICH ARE DISPOSED ON OPPOSITE SIDES OF A CENTERLINE THROUGH THE SAID BASE, A PAIR OF STATIONARY CONTACT BLIES WITH EACH ONE OF SAID PAIR OF STATIONARY CONTACT ASSEMASSEMBLIES MOUNTED ON THE BASE IN ONE OF THE SAID PAIR OF CAVITIES, EACH OF SAID STATIONARY CONTACT ASSEMBLIES BEING IDENTICAL AND COMPRISING A MOUNTING PORTION DETACHABLY AND REVERSIBLY MOUNTED ON THE REAR WALL AND EACH OF SAID STATIONARY CONTACT ASSEMBLIES FURTHER COMPRISING A CONTACT SURFACE OFFSET FROM THE MOUNTING PORTION SUCH THAT THE DIRECTION OF OFFSET OF SAID CONTACT SURFACE IS REVERSED WHEN THE MOUNTING PORTION IS REVERSED, A MOLDED CONTACT CARRIER RECIPROCALLY MOVABLE IN A LINEAR PATH ALONG THE CENTERLINE BETWEEN THE CONTACT SURFACES, A MOVABLE CONTACT ASSEMBLY INCLUDING A BRIDGING MEMBER CARRIED BY AND EXTENDING BEYOND OPPOSITE SIDES OF SAID CARRIER AND HAVING AT EACH END A CONTACT SURFACE OFFSET THEREFROM BY AN AMOUNT EQUAL TO THE OFFSET OF SAID STATIONARY CONTACT SURFACES, AND A SPRING BIASING SAID BRIDGING MEMBER IN ONE DIRECTION ON THE SAID CARRIER, SAID SPRING AND BRIDGING MEMBER BEING REVERSIBLE END FOR END TO REVERSE THE DIRECTION OF SAID BIAS AND THE OFFSET OF THE CONTACT SURFACES ON THE BRIDGING MEMBER WHEREBY THE SWITCH IS CONVERTIBLE TO PROVIDE A NORMALLY OPEN AND A NORMALLY CLOSED OPERATION OF THE CONTACTS, A REMOVABLE COVER FOR THE FRONT WALL CLOSING THE CAVITIES WHEN THE COVER IS SECURED TO THE BASE AND EXPOSING THE STATIONARY CONTACTS AND THE MOVABLE CONTACT ASSEMBLY WHEN THE COVER IS DETACHED FROM THE BASE, SAID COVER AND BASE EACH HAVING A PAIR OF SPACED OPENINGS IN ALIGNMENT ALONG THE CENTERLINE, AND PROJECTIONS OF THE CARRIER MOVABLE IN SAID OPENINGS GUIDING THE CARRIER IN ITS LINEAR PATH OF MOVEMENT WITH ONE OF SAID PROJECTIONS INCLUDING AN EXTENSION WHICH PROJECTS BEYOND THE EXTERIOR SURFACE OF THE REAR WALL PROVIDING A MEANS FOR ACTUATING THE SWITCH.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |