Magnetically operated switch

Claim 1

IN AN ELECTRICAL SWITCH FOR CONNECTION WITH AN ELECTRIC CIRCUIT TO BE CONTROLLED THEREBY ACCORDING TO THE PROXIMITY OF THE SWITCH TO A MAGNET, A CASING FOR THE SWITCH HAVING INTERMAL SPACED UPPER AND LOWER WALLS, A FIRST TERMINAL POST ON THE UPPER WALL OF THE CASING FOR CONNECTION WITH THE ELECTRIC CIRCUIT, A FIRST CONTACT MEMBER ON THE LOWER WALL OF SAID CASING AND WITHIN THE CASING, CONNECTED TO SAID FIRST TERMINAL POST, A SECOND TERMINAL POST ON THE CASING FOR CONNECTION WITH AN ELECTRIC CIRCUIT, A CONDUCTOR PLATE CONNECTED TO THE SECOND TERMINAL AND EXTENDING TO THE LOWER WALL, AN ELONGATED SPRING PLATE MEMBER, MEANS PIVOTALLY CONNECTING ONE END OF SAID SPRING PLATE MEMBER TO THE LOWER END OF SAID CONDUCTOR PLATE AND ELECTRICALLY CONNECTING SAID END OF THE SPRING PLATE MEMBER TO SAID SECOND TERMINAL POST, A SECOND CONTACT MEMBER ON SAID SPRING PLATE MEMBER, AN ARMATURE SECURED TO SAID SPRING PLATE MEMBER, BIASING MEANS ENGAGING THE CASING AND ENGAGING THE ARMATURE URGING THE SECOND CONTACT MEMBER CARRYING PORTION OF THE SPRING PLATE MEMBER FOR MOVEMENT RELATIVE TO THE FIRST CONTACT MEMBER UNTIL THE ATTRACTION OF THE ARMATURE TO A MAGNET OVERCOMES THE SAID BIASING MEANS.