Electric control device

Claim 1

AN ELECTRICAL CONTROL DEVICE COMPRISING, IN COMBINATION, A CONTROL MECHANISM AND A LATCH MECHANISM, SAID CONTROL MECHANISM COMPRISING A STATIONARY CONTACT STRUCTURE, A MOVABLE CONTACT STRUCTURE, A CONTACT CARRIER MOVABLE TO MOVE SAID MOVABLE CONTACT STRUCTURE, A FIRST BIASING MEANS BIASING SAID CONTACT CARRIER IN A FIRST DIRECTION TO A FIRST POSITION, AN ELECTROMAGNET, MEANS MOUNTING SAID LATCH MECHANISM ON SAID CONTROL MECHANISM, SAID LATCH MECHANISM COMPRISING AN ENERGIZING COIL, A GENERALLY TUBULAR MAGNETIC MEMBER FIXEDLY SUPPRTED GENERALLY WITHIN SAID COIL, A GENERALLY TUBULAR ARMATURE MOVABLY SUPPORTED GENERALLY WITHIN SAID COIL, A LATCH CARRIER MOVABLY SUPPORTED GENERALLY WITHIN SAID MAGNETIC MEMBER AND SAID ARMATURE, A LATCHING ARM MOVABLE SUPPORTED ON SAID LATCH CARRIER, A SECOND BIASING MEANS BIASING SAID ARMATURE AXIALLY IN A DIRECTION OPPOSITE FROM SAID FIRST DIRECTION AND AWAY FROM SAID MAGNETIC MEMBER, A THIRD BIASING MEANS BIASING SAID LATCH CARRIER AXIALLY IN THE SAME DIRECTION AS SAID ARMATURE IS BIASED, A FOURTH BIASING MEANS BIASING SAID LATCH ARM IN A LATCHING DIRECTION, SAID LATCHING ARM HAVING A CAM SURFACE THEREON, SAID THIRD BIASING MEANS BIASING SAID LATCH CARRIER INTO ENGAGEMENT WITH SAID CONTACT CARRIER, SAID FIRST BIASING MEANS BEING STRONGER THAN SAID THIRD BIASING MEANS WHEREBY WHEN SAID CONTACT CARRIER IS IN SAID FIRST POSITION SAID LATCH CARRIER IS MAINTAINED IN A FIRST POSITION, SAID ELECTROMAGNET UPON ENERGIZATION THEREOF OPERATING TO MOVE SAID CONTACT CARRIER AWAY FROM SAID LATCH CARRIEER TO A SECOND POSITION WHEREUPON SAID THIRD BIASING MEANS OPERATES TO MOVE SAID LATCH CARRIER TO A SECOND POSITION WHEREIN SAID LATCHING ARM IS MOVED BY SAID FOURTH BIASING MEANS INTO LATCHING ENGAGEMENT WITH SAID MAGNETIC MEMBER TO THEREBY LATCH SAID LATCH CARRIER IN SAID SECOND POSITION AND SAID CONTACT CARRIER IN SAID SECOND POSITION, THEREAFTER UPON ENERGIZATION OF SAID COIL SAID ARMATURE MOVING TOWARD SAID MAGNETIC MEMBER TO ENGAGE SAID CAM SURFACE ON SAID LATCHING ARM TO CAM SAID LATCHING ARM TO AN UNLATCHING POSITION WHEREUPON SAID FIRST BIASING MEANS OPERATES TO MOVE SAID CONTACT CARRIER AND SAID LATCH CARRIER BACK TO SAID FIRST POSITION AGAINST THE BIAS OF SAID THIRD BIASING MEANS.