Fusible knife-blade switch having a driving bar for both disconnecting the make-break free end and rotating the hinge end from their respective blade contacts

Claim 1

A KNIFE SWITCH INCLUDING A HINGED SWITCH POLE HAVING A MAKE-BREAK FREE END AND AN OPPOSITE HINGE END, AND A COMPLEMENTARY STATIONARY HINGE BRACKET HAVING HINGE PIN AND SLOT CONNECTION WITH THE HINGE END OF THE SWITCH POLE, THE SLOT BEING CLOSED AT THE INNER END TO PROVIDE A SEAT FOR THE HINGE PIN AND BEING OPEN AT THE OUTER END AND ANGLED TO PERMIT ENTRY OR EXIT OF THE HINGE PIN THROUGH THE OPEN END OF THE SLOT ONLY WHEN THE SWITCH POLE IS IN OFF POSITION, THE HINGE BRACKET COMPRISING A HINGE BLADE, THE HINGE END OF THE SWITCH POLE COMPRISING SPACED ARMS FOR STRADDLING THE HINGE BLADE, THE HINGE PIN BEING SUPPORTED ACROSS SAID ARMS AND THE SLOT BEING IN SAID BLADE FOR SEATING THE HINGE PIN WHEN THE ARMS ARE ASTRIDE THE BLADE, A DRIVING BAR MEMBER PIVOTALLY ATTACHED TO SAID SWITCH POLE BETWEEN THE FREE END AND HINGED END THEREOF, THE SWITCH POLE BEING ROTATABLE ABOUT SAID DRIVING BAR MEMBER WHILE IN OFF POSITION IN A DIRECTION TO SHIFT THE HINGE PIN OUT OF THE OPEN END OF THE SLOT AND SAID ARMS AWAY FROM THE HINGE BLADE, THEREBY TO DISMOUNT THE SWITCH POLE.