Magnetically operated sealed switch unit

Claim 1

A RELAY OPERABLE IN RESPONSE TO A MAGNETIC FIELD COMPRISING A CYLINDRICAL ENVELOPE FORMED OF NON-MAGNETIC MATERIAL, MEANS SEALING ONE END OF SAID ENVELOPE AND A BASE SEALING THE OTHER END, FIRST, SECOND AND THIRD WIRE TERMINALS EXTENDING THROUGH AND SUPPORTED BY SAID BASE TO PROJECT INSIDE AND OUTSIDE THE ENVELOPE AND INSULATED THEREFROM, FIRST AND SECOND STATIONARY CONTACT BUTTONS RIGIDLY SUPPORTED INSIDE THE ENVELOPE ON THE FIRST AND SECOND WIRE TERMINALS WHICH FORM AN ADJACENT PAIR OF TERMINALS, SAID THIRD WIRE TERMINAL SUPPORTING INSIDE THE VESSEL A PLURALITY OF MEMBERS MECHANICALLY CONNECTED IN SEQUENCE INCLUDING A FIRST MAGNETIC MEMBER, A NONMAGNETIC MEMBER AND A BRACKET OF MAGNETIC MATERIAL, SAID BRACKET HAVING A FIRST POINT FASTENED TO THE NONMAGNETIC MEMBER AND BEING BENT TO PROVIDE SUPPORT AT A SECOND POINT FOR MEMBERS ALIGNED IN A DIFFERENT DIRECTION, A MOVABLE RESILIENT STRIP HAVING A FIRST END FASTENED TO SAID SECOND POINT OF SAID BRACKET OF MAGNETIC MATERIAL AND HAVING A SECOND END CARRYING A SWITCHING CONTACT BUTTON, SAID RESILIENT STRIP BEING MECHANICALLY BIASED SO THAT ITS SWITCHING CONTACT BUTTON IS NORMALLY ENGAGED WITH ONE OF THE STATIONARY CONTACT BUTTONS AND SPACED FROM THE OTHER STATIONARY CONTACT BUTTON, A MOVABLE ARMATURE POSITIONED TO BE PARTIALLY LOCATED WITHIN THE SPACE BETWEEN THE FIRST MAGNETIC MEMBER AND SAID RESILIENT STRIP, SAID ARMATURE BEING POSITIONED SO THAT IT CAN ENGAGE SAID RESILIENT STRIP AND RESPONSIVE TO CHANGING MAGNETIC FIELDS TO ROTATE ABOUT AN AXIS AND TO DEFLECT THE RESILIENT STRIP AND TO MOVE THE SWITCHING CONTACT BUTTON FROM CONTACT WITH ONE STATIONARY CONTACT TO CONTACT WITH THE OTHER STATIONARY CONTACT.