Circuit breakers

Claim 1

IN AN AUTOMATIC OVERLOAD CIRCUIT BREAKER COMPRISING IN COMBINATION, A SUPPORTING FRAME HAVING MOUNTED THEREON A MANUAL ACTUATING MEMBER, DUAL LEVER MEANS PIVOTALLY MOUNTED INTERMEDIATE THEIR ENDS AT A POINT ON SAID SUPPORTING FRAME SPACED FROM SAID ACTUATING MEMBER, CIRCUIT-CONTROLLING CONTACT MEANS CARRIED SOLELY ON SAID DUAL LEVER MEANS, AN ELECTROMAGNETIC DEVICE ELECTRICALLY INTERCONNECTED WITH SAID CONTACT MEANS AND INCLUDING ARMATURE MEANS, LINKAGE MEANS PIVOTALLY CONNECTING ONE END OF ONE OF SAID DUAL LEVER MEANS AND SAID MANUAL ACTUATING MEMBER AND FORMING THEREWITH A FLOATING TOGGLE LINKAGE, THE OTHER OF SAID DUAL LEVER MEANS COMPRISING A LATCH MEANS FOR SAID FLOATING TOGGLE LINKAGE AND HAVING THEREON A LATCH DEVICE OPERABLY ASSOCIATED WITH LATCH MEANS ON SAID ARMATURE MEANS, AN ACTUATING SPRING MEANS OPERABLY CONNECTED WITH SAID FLOATING TOGGLE LINKAGE INTERMEDIATE ITS ENDS AND SO MOUNTED AS TO MOVE SAID TOGGLE LINKAGE WHEN UNLATCHED TO CAUSE OPENING OF SAID CIRCUIT CLOSING MEANS WHEN THE ELECTROMAGNETIC MEANS UNDER PREDETERMINED OVERLOAD CONDITIONS ACTUATES SAID ARMATURE MEANS TO RELEASE THE SAID LATCH DEVICE ON SAID OTHER DUAL LEVER.