Snap action switch devices

Claim 1

A SWITCH FOR USE IN COMBINATION WITH ROTARY ELECTRICAL CONTROL DEVICES HAVING A ROTATABLE CONTROL MEMBER, SAID SWITCH COMPRISING, IN COMBINATION, A CIRCULAR BASE PLATE, FIRST AND SECOND FIXED CONTACTS RELATIVELY SPACED ON SAID BASE PLATE A FIXED BOSS EXTENDING AXIALLY FROM SAID BASE PLATE AND POSITIONED INTERMEDIATE SAID FIRST AND SECOND CONTACTS, SAID BOSS INCLUDING A PORTION DISPOSED LATERALLY OF AN AXIALLY EXTENDING PLANE PASSING THROUGH SAID FIRST AND SECOND CONTACTS, A RESILIENT ELECTRICALLY CONDUCTIVE CONTACT SPRING HAVING OPPOSITE ENDS, ONE END OF SAID CONTACT SPRING ANCHORED TO SAID FIRST CONTACT, THE OPPOSITE END RELEASABLY ENGAGING SAID SECOND CONTACT AND SAID CONTACT SPRING ENGAGING THE LATERALLY DISPOSED PORTION OF SAID BOSS INTERMEDIATE SAID ENDS, SAID CONTACT SPRING BEING FLEXED INTERMEDIATE ITS ENDS BY ENGAGEMENT WITH SAID BOSS AND BIASED INTO ENGAGEMENT WITH SAID SECOND CONTACT, CAM MEANS CONNECTED TO AND ROTATABLE WITH SAID CONTROL MEMBER RELATIVE TO SAID CONTACTS AND CONTACT SPRING, SAID OPPOISTE END OF SAID CONTACT SPRING EXTENDING INTO THE PATH OF MOVEMENT OF SAID CAM MEANS AND SAID CAM MEANS CHARACTERIZED BY HAVING A FIRST SURFACE OF PREDETERMINED ANGULAR EXTENSION PROJECTING TOWARD SAID CONTACTS TO FLEX SAID CONTACT SPRING TOWARD SAID FIRST CONTACT UPON ENGAGEMENT THEREWITH, SAID CAM MEANS ALSO INCLUDING A TRAILING EDGE SURFACE DISPOSED AT AN ANGLE TO SAID FIRST SURFACE AND EXTENDING AWAY FROM SAID CONTACTS PERMITTING EXPANSION OF SAID CONTACT SPRING AND COOPERATING TO CAM SAID OPPOSITE CONTACT SPRING END AWAY FROM SAID SECOND CONTACT, AND STOP MEANS FIXED ON SAID BASE PLAT AND DISPOSED IN THE PATH OF MOVEMENT OF SAID CAM MEANS TO LIMIT MOVEMENT OF SAID CAM MEANS RELATIVE TO SAID CONTACTS, SAID STOP MEANS ANGULARLY SPACED FROM SAID SECOND CONTACT A DISTANCE LESS THAN THE ANGULAR EXTENSION OF SAID CAM MEANS AND SAID CAM MEANS TRAILING END HOLDING SAID CONTACT SPRING OUT OF ENGAGEMENT WITH SAID SECOND CONTACT WHEN SAID CAM MEANS IS IN ENGAGEMENT WITH SAID STOP MEMBER.