Switch assembly for printed circuit boards

Claim 1

A SWITCH ASSEMBLY FOR USE WITH A PRINTED CIRCUIT BOARD COMPRISING A U-SHAPED HOUSING HAVING AN END WALL IN A PLANE PERPENDICULAR TO THE SIDE LEGS OF SAID U, AN ACTUATOR MOVABLY LOCATED BETWEEN THE LEGS OF SAID U, BIASING MEANS LOCATED BETWEEN SAID END WALL AND ONE END OF SAID ACTUATOR FOR URGING SAID ACTUATOR IN ONE DIRECTION, SAID HOUSING HAVING AN OPEN END OPPOSITE SAID END WALL, SAID ACTUATOR HAVING AN ACTUATING PORTION NORMALLY EXTENDING OUTWARDLY OF SAID HOUSING THROUGH SAID OPEN END IN RESPONSE TO THE ACTION OF SAID BIASING MEANS, PROJECTING MEANS FORMED IN SAID ACTUATOR AND RECESS MEANS FORMED IN AT LEAST ONE OF THE SIDE LEGS OF SAID U, SAID PROJECTING MEANS BEING ADAPTED TO ENGAGE SAID RECESS MEANS WHEREBY THE WALL OF SAID RECESS MEANS ACTS AS A STOP FOR SAID ACTUATOR WHEN MOVED IN SAID ONE DIRECTION BY SAID BIASING MEANS, AN INSULATING MEMBER POSITIONED ADJACENT ONE WALL OF SAID ACTUATOR, MEANS FOR HOLDING SAID INSULATING MEMBER IN POSITION, A PLURALITY OF TERMINALS EXTENDING THROUGH SAID INSULATING MEMBER, A RECESS DEFINED BY SAID ACTUATOR, SAID ACTUATOR RECESS BEING DIMENSIONED SO THAT TWO OF SAID TERMINALS ARE ENCOMPASSED BY THE RECESS, A PAIR OF SPHERES IN SAID ACTUATOR RECESS BIASED TO ENGAGE A RESPECTIVE ONE OF SAID TWO TERMINALS AND ADAPTED TO BE ROLLED FROM THE RESPECTIVE TERMINALS UPON MOVEMENT OF SAID ACTUATOR IN OPPOSITION TO SAID SPRING TOWARD SAID END WALL WHEREBY ONE OF SAID SPHERES ENGAGES ANOTHER OF THE TWO TEMINALS WHILE THE OTHER OF SAID SPHERES ENGAGES A THIRD TERMINAL.