Multiple position vacuum switch

Claim 1

A VACUUM SWITCH COMPRISING A VACUUMIZED DIELECTRIC BULB CLOSED AT ONE END WITH A MOUNTING PLATE HAVING AN APERTURE THEREIN, A BELLOWS HAVING A CLOSED END AND AN OPEN END HERMETICALLY FIXED ON THE MOUNTING PLATE AROUND THE APERTURE, AN OPERATING LEVER PIVOTALLY AND SLIDABLE ARRANGED IN THE MOUNTING PLATE APERTURE AND RIGIDLY CONNECTED ON THE INSIDE OF THE BELLOWS TO THE CLOSED END THEREOF, A DIELECTRIC SHAFT EXTENSION OF THE OPERATING LEVER RIGIDLY CONNECTED TO THE OPPOSITE SIDE OF THE CLOSED END OF THE BELLOWS AND IN ALIGNMENT WITH THE OPERATING LEVER, A METAL ROD HERMETICALLY SEALED IN THE BULB WALL IN ALIGNMENT WITH THE LONGITUDINAL AXIS OF THE BULB TO FORM A TERMINAL STUD OUTSIDE AND A CENTRAL LEAD INSIDE THE BULB, A PLURALITY OF METAL RODS HERMETICALLY SEALED IN THE BULB SIDE WALL TO FORM TERMINAL LEADS ON THE OUTSIDE AND EVENLY SPACED POLES ON THE INSIDE OF THE BULB EXTENDING TOWARD THE LONGITUDINAL AXIS OF THE BULB, AND A METAL DISTRIBUTOR ROD CONSITUTING AN EXTENSION OF THE CENTRAL LEAD INTERPOSED BETWEEN AND MOVABLE ENGAGING THE FREE ENDS OF THE CENTRAL LEAD AND THE DIELECTRIC SHAFT AND SELECTIVELY ENGAGEABLE WITH THE POLES.