Snap action switch

Claim 1

A SNAP ACTION SWITCH COMPRISING A HOUSING INCLUDING A REMOVABLE SIDE COVER WHICH COOPERATED TO PROVIDE AN INTERNAL CAVITY, FIXED TERMINAL MEMBERS EXTENDING INTO THE CAVITY FROM ONE END OF THE HOUSING AND PROVIDING SPACED APART CONFRONTING CONTACTS, A THIRD FIXED TERMINAL MEMBER EXTENDING INTO SAID CAVITY THROUGH THE BOTTOM WALL OF SAID HOUSING AND HAVING ITS INNER END BIFURCATED SO AS TO PROVIDE SPACED APART PIVOTAL POSTS, A MOVABLE BLADE PIVOTALLY CONNECTED TO SAID POST AND HAVING ITS OPPOSITE END EXTENDING BETWEEN AND IN CONTACT WITH ONE OF THE CONTACTS OF SAID FIXED TERMINAL MEMBERS, A TENSION MEMBER CONNECTED AT ONE END TO SAID MOVABLE BLADE AND ANCHORED AT THE OTHER END TO SAID HOUSING FOR TENSIONING SAID BLADE IN PIVOTAL CONNECTION WITH SAID PIVOTAL POSTS, MEANS CARRIED BY SAID HOUSING AND SAID SIDE COVER FOR PIVOTALLY ANCHORING THE OPPOSITE END OF SAID TENSION MEMBER SO THAT THE SAME LIES IN A PREDETERMINED VERTICAL AND HORIZONTAL PLANE WITH RESPECT TO SAID BLADE, AN ACTU-ACTOR EXTENDING THROUGH AN OPENING IN THE TOP WALL OF SAID HOUSING, ONE WALL OF SAID ACTUATOR BEING OF AN ELONGATED SUBSTANTIALLY RECTANGULAR SHAPE SO AS TO LIE IN FACIAL ABUTMENT THROUGHOUT ITS LENGTH WITH ONE WALL OF SAID HOUSING AND HAVING ITS LOWER EDGE EXTENDING BENEATH THE PREDETERMINED HORIZONTAL PLANE OF SAID TENSION MEMBER, SAID ONE WALL OF SAID ACTUATOR PROVIDED WITH A LATERALLY EXTENDING GUIDE MEMBER MOVABLE IN A CORRESPONDING SLOT FORMED IN SAID ONE WALL OF SAID HOUSING DEFINING SAID CAVITY, SAID ACTUATOR PROVIDING A LATERAL OFFSET PORTION INTERMEDIATE ITS ENDS FOR ENGAGING SAID TENSION MEMBER ADJACENT ONE SIDE OF SAID PIVOTAL POSTS, SAID OFFSET PORTION MOVABLE THROUGH THE SAME AXIS OF MOVEMENT OF SAID ACTUATOR SO AS TO CAUSE SAID TENSION MEMBER TO BE DEFORMED OUT OF ITS HORIZONTAL PLANE TO CAUSE THE BLADE TO MOVE WITH A SNAP ACTION MOVEMENT INTO CONTACT WITH THE OTHER OF SAID FIXED CONTACT BEARING TERMINAL MEMBERS.