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US3188697A Expired / Lapsed US ⏱️ 0.0 years remaining

Lever action switch with embedded compression coil spring and staggered contact means

Assignee: Indak Manufacturing Corp
•
Filing: 1963-08-05
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Granted: 1965-06-15
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Expires: 1983-08-05
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Abstract

No abstract record available.

Inventors

  • 👤 William N Schink

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:58
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 267 words
IN AN ELECTRICAL SWITCH, THE COMBINATION COMPRISING A GENERALLY RECTANGULAR CASING, A GENERALLY RECTANGULAR SLIDER IN SAID CASING, SAID SLIDER BEING MADE OF INSULATING MATERIAL AND BEING SLIDABLE LONGITUDINALLY IN SAID CASING, A BRACKET MOUNTED ON SAID CASING, AN L-SHAPED LEVER PIVOTALLY MOUNTED ON SAID BRACKET, SAID CASING HAVING A SLOT THEREIN, SAID LEVER HAVING AN ARM EXTENDING INTO SAID CASING THROUGH SAID SLOT, SAID SLIDER HAVING A RECESS RECEIVING SAID ARM, A COIL SPRING COMPRESSED BETWEEN ONE END OF SAID CASING AND ONE END OF SAID SLIDER, SAID SLIDER HAVING A GENERALLY CIRCULAR SEAT IN SAID ONE END THEREOF FOR RECEIVING SAID SPRING, SAID SEAT HAVING AN OPENING IN ONE SIDE THEREOF TOWARD ONE SIDE OF SAID SLIDER, A CONTACTOR BAR MOUNTED ON SAID SLIDER, A CONTACT MOUNTING PLATE ATTACHED TO SAID CASING AND OPPOSITE SAID CONTACT BAR, A PLURALITY OF CONTACTS MOUNTED ON SAID CONTACT MOUNTING PLATE AND ENGAGEABLE BY SAID CONTACTOR BAR, SAID SLIDER HAVING RECESS MEANS FOR RECEIVING SAID CONTACTOR BAR, AND A COIL SPRING COMPRESSED BETWEEN SAID SLIDER AND SAID CONTACTOR BAR AND BIASING SAID CONTACTOR AND TOWARD SAID CONTACTS, SAID CONTACTOR BAR HAVING FIRST AND SECOND LONGITUDINALLY SPACED CONTACTOR SEGMENTS WITH AN INTERMEDIATE PORTION THEREBETWEEN, SAID INTERMEDIATE PORTION BEING OFFSET FROM SAID CONTACTOR SEGMENTS AWAY FROM SAID CONTACTS, SAID FIRST CONTACTOR SEGMENT BEING LONGER THAN SAID SECOND SEGMENT, SAID CONTACTS INCLUDING A FIRST CONTACT WHICH IS SLIDABLY ENGAGED BY SAID FIRST CONTACTOR SEGMENT AT ALL TIMES, SAID CONTACTS INCLUDING SECOND AND THIRD CONTACTS ENGAGEABLE BY SAID SECOND CONTACTOR SEGMENT, SAID SECOND CONTACTOR SEGMENT BEING MOVABLE BETWEEN SAID SECOND AND THIRD CONTACTS.
Claim 2
Dependent Claim 267 words
IN AN ELECTRICAL SWITCH, THE COMBINATION COMPRISING A GENERALLY RECTANGULAR CASING, A GENERALLY RECTANGULAR SLIDER IN SAID CASING, SAID SLIDER BEING MADE OF INSULATING MATERIAL AND BEING SLIDABLE LONGITUDINALLY IN SAID CASING, A BRACKET MOUNTED ON SAID CASING, AN L-SHAPED LEVER PIVOTALLY MOUNTED ON SAID BRACKET, SAID CASING HAVING A SLOT THEREIN, SAID LEVER HAVING AN ARM EXTENDING INTO SAID CASING THROUGH SAID SLOT, SAID SLIDER HAVING A RECESS RECEIVING SAID ARM, A COIL SPRING COMPRESSED BETWEEN ONE END OF SAID CASING AND ONE END OF SAID SLIDER, SAID SLIDER HAVING A GENERALLY CIRCULAR SEAT IN SAID ONE END THEREOF FOR RECEIVING SAID SPRING, SAID SEAT HAVING AN OPENING IN ONE SIDE THEREOF TOWARD ONE SIDE OF SAID SLIDER, A CONTACTOR BAR MOUNTED ON SAID SLIDER, A CONTACT MOUNTING PLATE ATTACHED TO SAID CASING AND OPPOSITE SAID CONTACT BAR, A PLURALITY OF CONTACTS MOUNTED ON SAID CONTACT MOUNTING PLATE AND ENGAGEABLE BY SAID CONTACTOR BAR, SAID SLIDER HAVING RECESS MEANS FOR RECEIVING SAID CONTACTOR BAR, AND A COIL SPRING COMPRESSED BETWEEN SAID SLIDER AND SAID CONTACTOR BAR AND BIASING SAID CONTACTOR AND TOWARD SAID CONTACTS, SAID CONTACTOR BAR HAVING FIRST AND SECOND LONGITUDINALLY SPACED CONTACTOR SEGMENTS WITH AN INTERMEDIATE PORTION THEREBETWEEN, SAID INTERMEDIATE PORTION BEING OFFSET FROM SAID CONTACTOR SEGMENTS AWAY FROM SAID CONTACTS, SAID FIRST CONTACTOR SEGMENT BEING LONGER THAN SAID SECOND SEGMENT, SAID CONTACTS INCLUDING A FIRST CONTACT WHICH IS SLIDABLY ENGAGED BY SAID FIRST CONTACTOR SEGMENT AT ALL TIMES, SAID CONTACTS INCLUDING SECOND AND THIRD CONTACTS ENGAGEABLE BY SAID SECOND CONTACTOR SEGMENT, SAID SECOND CONTACTOR SEGMENT BEING MOVABLE BETWEEN SAID SECOND AND THIRD CONTACTS.

References Cited (Backward Citations)

US1908204A Cited
US2303693A Cited
US2897305A Cited
US2868906A Cited
US2977432A Cited
US3030459A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

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