Electricity: circuit makers and breakers – Combined with or actuated by connector coupling – Screw-coupling
Patent
1992-07-29
1993-10-12
Luebke, Renee S.
Electricity: circuit makers and breakers
Combined with or actuated by connector coupling
Screw-coupling
200 11A, 200544, H01H 1706
Patent
active
052527948
ABSTRACT:
This invention provides a conductive spindle assembly of a pull switch which has an insulation spindle within which is formed three recesses in a periphery of the insulation spindle. A conductive collar is provided for matingly engaging with the insulation spindle. The conductive collar has a conductive base portion and three vertically extending conductive contact tabs. The first and second of the contact tabs extend vertically from a periphery of the base portion and have a first vertical extension height. The third contact tab extends vertically from the base portion and has a second vertical extension height greater than the vertical extension height of the first and second contact tabs. Each of the three tabs is insertable within the recesses of the insulation spindle in a manner providing for the periphery of the spindle assembly to have a substantially continuous cylindrical surface.
REFERENCES:
patent: 2240200 (1941-04-01), Young et al.
patent: 2988606 (1961-06-01), Allison
patent: 4572931 (1986-02-01), Shiraishi et al.
Klein David I.
Luebke Renee S.
Rosenberg Morton J.
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