Sealed magnetically operable switch

Claim 1

AN ELECTRIC "BREAK" TYPE SWITCH COMPRISING A MOVABLE REED OF FERROMAGNETIC MATERIAL AND A FIRST STATIONARY REED ALSO MADE OF FERROMAGNETIC MATERIAL WHICH OVERLAP EACH OTHER AND ARE SEPARATED BY A SMALL GAP, A SPRING HAVING A STIFFNESS LOWER THAN THAT OF SAID MOVABLE REED FIXED AT ONE END TO SAID MOVABLE REED AND HAVING A BEND THEREIN SUCH THAT A PART OF SAID SPRING IN PROXIMITY TO A FREE END THEREOF EXERTS A BIASING PRESSURE AGAINST A FREE END OF SAID MOVABLE REED, SAID BEND IN SAID SPRING BEING CHARACTERIZED IN THAT A PORTION OF SAID SPRING INTERMEDIATE ITS FIXED END AND ITS POINT OF BIAS ENGAGEMENT WITH SAID MOVABLE REED IS SPACED A SUBSTANTIAL DISTANCE FROM SAID MOVABLE REED, A CONTACT ON THE FREE END OF SAID SPRING, AND A SECOND STATIONARY REED PROVIDED WITH A CONTACT FOR WIPING ACTION AND SUBSTANTIAL PRESSURE ENGAGEMENT BY THE CONTACT ON SAID SPRING WHEN THE MOVABLE REED IS IN A NORMAL OR DEACTUATED POSITION, SAID WIPING ACTION AND SUBSTANTIAL PRESSURE BETWEEN SAID CONTACT ON SAID SPRING AND SAID CONTACT ON SAID SECOND STATIONARY REED BEING PRODUCED AS A RESULT OF THE FREE END OF SAID MOVABLE REED BEARING AGAINST SAID SPRING AT THE POINT OF BIASING PRESSURE ENGAGEMENT THEREWITH WHEN SAID MOVABLE REED IS IN SAID NORMAL POSITION, WHEREBY CHATTER BETWEEN SAID CONTACTS UPON CLOSURE THEREOF IS SUBSTANTIALLY REDUCED.