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US3072879A Expired / Lapsed US ⏱️ 0.0 years remaining

Terminal block

Assignee: Individual
•
Filing: 1960-04-08
•
Granted: 1963-01-08
•
Expires: 1980-04-08
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Abstract

No abstract record available.

Inventors

  • 👤 Edmond C Crowther

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 11:41
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H01R4/308

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 276 words
A TERMINAL BLOCK FOR REMOVABLY RETAINING A PLURALITY OF DISCRETE CONDUCTORS, INCLUDING A DIELECTRIC BASE AND A PLURALITY OF METALLIC CONNECTORS, SAID BASE HAVING A PLURALITY OF POLYGONAL SHAPED BORES ANGULARLY DISPOSED RELATIVE TO THE TOP FACE OF SAID BASE AND OPENING OUTWARDLY RELATIVE TO THE TOP FACE OF SAID BASE ADAPTED TO ACCEPT SAID CONNECTORS, EACH OF SAID CONNECTORS INCLUDING A METALLIC U-SHAPED CAGE, A SCREW, A METALLIC SPRING, SAID CAGE HAVING AN APERTURE POLYGONAL BASE COMPLEMENTARY TO AND NON-ROTATABLY ACCEPTABLE WITHIN ONE OF SAID BORES, A PAIR OF ARMS EXTENDING UPWARDLY FROM OPPOSITE MARGINS OF SAID BASE, SAID CAGE BASE APERTURE BEING ADAPTED TO COMPLEMENTARILY ACCEPT SAID SCREW IN THREADED RELATION, SAID SPRING INITIALLY BEING A FLAT BOWED STRIP HAVING A PAIR OF APERTURES ADJACENT OPPOSITE FREE ENDS WHICH ARE SUBSTANTIALLY IN REGISTER WHEN THE STRIP IS IN ITS INITIAL BOWED CONDITION, SAID APERTURED SPRING BEING ADAPTED TO BE TELESCOPICALLY AND ROTATABLY ASSEMBLED WITH SAID SCREW BUT CAPTURED AS TO AXIAL MOVEMENT, SAID BOWED SPRING BEING SUBSTANTIALLY U-SHAPED IN SPACED OPPOSITION TO ONE OF SAID CAGED ARMS, THE BIGHT PORTION OF SAID SPRING ADAPTED TO BE MOVED LATERALLY AS THE FREE ENDS ARE MOVED INTO CLOSER PROXIMAL RELATIONSHIP WHEN THE SCREW IS ADVANCED INTO THE THREADED APERTURE, SAID BIGHT PORTION OF THE SPRING AND THE ARM WITH WHICH IT IS IN OPPOSITION BEING OF LESSER WIDTH THAN THE OTHER ARM, SAID DIELECTRIC BASE BORE BEING COMPLEMENTARY TO THE NARROWED BIGHT AND ARM, WHEREBY A CONDUCTOR POSITIONED BETWEEN SAID BIGHT AND SAID ARM WILL BE RELEASABLY RETAINED AS THE BIGHT IS LATERALLY MOVED AND WILL BE RESTRICTED AGAINST LATERAL MOVEMENT BY THE NARROWED BASE BORE.
Claim 2
Dependent Claim 276 words
A TERMINAL BLOCK FOR REMOVABLY RETAINING A PLURALITY OF DISCRETE CONDUCTORS, INCLUDING A DIELECTRIC BASE AND A PLURALITY OF METALLIC CONNECTORS, SAID BASE HAVING A PLURALITY OF POLYGONAL SHAPED BORES ANGULARLY DISPOSED RELATIVE TO THE TOP FACE OF SAID BASE AND OPENING OUTWARDLY RELATIVE TO THE TOP FACE OF SAID BASE ADAPTED TO ACCEPT SAID CONNECTORS, EACH OF SAID CONNECTORS INCLUDING A METALLIC U-SHAPED CAGE, A SCREW, A METALLIC SPRING, SAID CAGE HAVING AN APERTURE POLYGONAL BASE COMPLEMENTARY TO AND NON-ROTATABLY ACCEPTABLE WITHIN ONE OF SAID BORES, A PAIR OF ARMS EXTENDING UPWARDLY FROM OPPOSITE MARGINS OF SAID BASE, SAID CAGE BASE APERTURE BEING ADAPTED TO COMPLEMENTARILY ACCEPT SAID SCREW IN THREADED RELATION, SAID SPRING INITIALLY BEING A FLAT BOWED STRIP HAVING A PAIR OF APERTURES ADJACENT OPPOSITE FREE ENDS WHICH ARE SUBSTANTIALLY IN REGISTER WHEN THE STRIP IS IN ITS INITIAL BOWED CONDITION, SAID APERTURED SPRING BEING ADAPTED TO BE TELESCOPICALLY AND ROTATABLY ASSEMBLED WITH SAID SCREW BUT CAPTURED AS TO AXIAL MOVEMENT, SAID BOWED SPRING BEING SUBSTANTIALLY U-SHAPED IN SPACED OPPOSITION TO ONE OF SAID CAGED ARMS, THE BIGHT PORTION OF SAID SPRING ADAPTED TO BE MOVED LATERALLY AS THE FREE ENDS ARE MOVED INTO CLOSER PROXIMAL RELATIONSHIP WHEN THE SCREW IS ADVANCED INTO THE THREADED APERTURE, SAID BIGHT PORTION OF THE SPRING AND THE ARM WITH WHICH IT IS IN OPPOSITION BEING OF LESSER WIDTH THAN THE OTHER ARM, SAID DIELECTRIC BASE BORE BEING COMPLEMENTARY TO THE NARROWED BIGHT AND ARM, WHEREBY A CONDUCTOR POSITIONED BETWEEN SAID BIGHT AND SAID ARM WILL BE RELEASABLY RETAINED AS THE BIGHT IS LATERALLY MOVED AND WILL BE RESTRICTED AGAINST LATERAL MOVEMENT BY THE NARROWED BASE BORE.

References Cited (Backward Citations)

US1531816A Cited
US1635256A Cited
GB336612A Cited
US2905990A Cited
US2988726A Cited
US2957157A Cited
US2953771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

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