Magnetically latched switch

Claim 1

IN COMBINATION WITH A MAGNETIC SWITCH COMPRISING MAGNETIC CORE MEANS INCLUDING A MAGNETICALLY ACTUATED ARMATURE MEANS (A) A PERMANENT MAGNET LATCH MEANS USED TO MAINTAIN SAID SWITCH IN A CLOSED POSITION, (B) A PLURALITY OF ELECTRIC CONDUCTOR MEANS CONNECTED BETWEEN A COIL MEANS OF SAID SWITCH AND A CURRENT SOURCE, (C) SAID COIL MEANS COMPRISING (1) A MOLDED COIL BLOCK MEANS ENCAPSULATING SAID COIL MEANS AND HOUSING SAID CORE MEANS, (2) A HOLLOW CAVITY FORMED IN SAID BLOCK MEANS, (3) A PLURALITY OF COIL TERMINAL MEANS MOLDED INTO SAID BLOCK MEANS AND CONNECTED TO SAID COIL MEANS, (4) A FIRST COIL TERMINAL MEANS EXTENDING INTO SAID CAVITY, (D) A NORMALLY-CLOSED SWITCH MEANS IN SAID MAGNETIC SWITCH AND IN A FIRST OF SAID CONDUCTOR MEANS COMPRISING, (1) A HOUSING MEANS WITH INTERNAL, SPACED APART, FIXED CONTACT MEANS, (2) CONNECTOR MEANS WITH INTERNAL ENDS CARRYING SAID FIXED CONTACT MEANS AND EXTERNAL ENDS WHICH ARE SYMMETRICAL WITH RESPECT TO SAID HOUSING MEANS AND INCLUDE A SINGLE CONNECTION MEANS, RESPECTIVELY, TO PERMIT LEAD CONNECTION AS WELL AS ATTACHMENT OF SAID HOUSING TO SAID MAGNETIC SWITCH, (3) SPANNER GUIDE MEANS INTERMEDIATE SAID FIXED CONTACTS WHICH GUIDE MEANS CARRY A SPANNER MEANS COMPRISING MOVABLE CONTACT MEANS FOR ENGAGEMENT WITH SAID FIXED CONTACT MEANS, (4) SAID SPANNER MEANS BEING LOCATED WITHIN SAID SPANNER GUIDE MEANS BY A RESILIENT MEANS AND AN ADJUSTABLE MEANS SO AS TO PERMIT ADJUSTMENT OF ENGAGEMENT AND DISENGAGEMENT BETWEEN SAID FIXED AND MOVABLE CONTACT MEANS, (5) SAID NORMALLY-CLOSED SWITCH MEANS CAPABLE OF BECOMING A NORMALLY-OPEN SWITCH MEANS WHEN INVERTED, (E) THE COMBINATION OF SAID COIL BLOCK MEANS AND SAID MAGNETIC CORE MEANS BEING REMOVABLY INSERTED INTO SAID MAGNETIC SWITCH, (F) STEM MEANS ATTACHED TO SAID SPANNER GUIDE MEANS AND RESPONSIVE TO MOTION OF SAID ARMATURE MEANS