Micro-miniature relay

Claim 1

A MICRO-MINIATURE ELECTRIC RELAY DEVICE COMPRISING A COIL FORM HAVING A BORE THERETHROUGH, NORTH POLE AND SOUTH POLE PLATES AT OPPOSITE ENDS OF SAID COIL FORM AND A COIL WINDING AROUND SAID COIL FORM INTERMEDIATE SAID NORTH POLE AND SOUTH POLE PLATES, A PAIR OF ELECTRIC CONTACTS HAVING A FIXED POSITION RELATIVE TO SAID COIL FORM, AND AN ARMATURE SUB-ASSEMBLY COMPRISING AN ARMATURE BAR OF CROSS SECTIONAL SHAPE SMALLER THAN SAID BORE AND HAVING A LENGTH IN EXCESS OF THE DISTANCE BETWEEN SAID POLE PLATES, AN ARMATURE MOUNTING SLEEVE HAVING AN EXTERIOR CIRCUMFERENCE SUBSTANTIALLY THE SAME AS THE INTERIOR CIRCUMFERENCE OF SAID BORE, A RETAINING TAB SECURED AT ONE END TO THE MOUNTING SLEEVE, THE OTHER END OF SAID TAB HAVING AN ARM ADAPTED TO OVERLIE THE COIL FORM, MEANS INTERMEDIATE OPPOSITE ENDS OF SAID BAR PIVOTALLY MOUNTING SAID BAR IN SAID MOUNTING SLEEVE, AN ARMATURE RETURN SPRING HAVING A SADDLE IN ENGAGEMENT WITH SAID BAR AT ONE SIDE OF A PIVOT POINT AND ANOTHER PORTION AT THE END OPPOSITE SAID SADDLE HAVING A RETAINED POSITION RELATIVE TO SAID TAB, A MOVABLE ELECTRIC CONTACT ON SAID BAR AT A LOCATION BETWEEN SAID PAIR OF ELECTRIC CONTACTS AND SPACED FROM ONE OF THEM, AND A FLEXIBLE CONNECTION FROM SAID MOVABLE ELECTRIC CONTACT, SAID ARMATURE MOUNTING SLEEVE BEING SLIDEABLE INTO SAID BORE FROM ONE END WHEREBY TO MOUNT SAID ARMATURE SUB-ASSEMBLY IN OPERATING POSITION.