Permanent magnet lifting device

Claim 1

A PERMANENT LIFTING MAGNET ASSEBLY COMPRISING, IN COMBINATION, A PERMANENT MAGNET, A SUPPORT FRAME FOR SAID MAGNET, MEANS CONNECTING SAID PERMANENT MAGNET AND SAID SUPPORT FRAME FOR FREE RELATIVE MOVEMENT THEREBETWEEN IN ACCORDANCE WITH THE APPLICATION AND REMOVAL OF LIFTING FORCE ON SAID PERMANENT LIFTING MAGNET ASSEMBLY WITH SAID PERMANENT MAGNET NORMALLY ASSUMING A FIRST POSITION ADJACENT A FIRST PORTION OF SAID FRAME WHEN THE LIFTING FORCE ON SAID LIFTING MAGNET ASSEMBLY IS REMOVED TO THEREBY ATTRACT A LOAD TO SAID FIRST PORTION SPACED FROM SAID AND ASSUMING A SECOND POSITION SPACED FROM SAID FIRST POSITION A PREDETERMINED DISTANCE SUFFICIENT TO REMOVE A LOAD ADJACENT SAID FIRST PORTION FROM THE ATTRACTIVE FORCE OF THE MAGNETIC FIELD OF SAID MAGNET WHEN SAID LIFTING FORCE IS APPLIED TO SAID LIFTING MAGNET, AND SLECTIVELY OPERABLE MEANS OPERATIVE, WHEN SAID PERMANENT MAGNET IS IN BOTH SAID FIRST AND SECOND POSITIONS, TO INTERCONNECT SAID PERMANENT MAGNET AND SAID FRAME FOR JOINT MOVEMENT AND AGAINST RELATIVE MOVEMENT THEREBETWEEN DUE TO SAID LIFTING FORCE SO THAT SAID PERMANENT MAGNET REMAINS IN A SELECTED ONE OF SAID FIRST AND SECOND POSITIONS REGARDLESS OF THE APPLICATION OR REMOVAL OF SAID LIFTING FORCE.