Magnetic pull up machine for positioning and lineal measurement of magnetic strip material

Claim 1

A MAGNETIC PULL UP FOR ACCURATE POSITIONING AND LINEAL MEASUREMENT OF THIN STRIP STEEL AS IT IS MOVED THROUGH A CUTTING MEANS BY HIGH SPEED DRIVING MEANS COMPRISING IN COMBINATION, A CIRCUIT CONTROLLER LOCATED A PREDETERMINED DISTANCE FROM SAID CUTTING MEANS ON THE OPPOSITE SIDE THEREOF FROM SAID DRIVING MEANS IN THE PATH OF MOVEMENT OF SAID STRIP, AN ELECTROMAGNETIC SUPPORTING BED FOR SAID STRIP NORMALLY INSUFFICIENTLY ENERGIZED TO PREVENT THE ADVANCING END OF SAID STRIP ADVANCING AT HIGH SPEED ACROSS ITS POLES, MEANS RESPONSIVE TO THE END OF SAID STRIP REACHING SAID CIRCUIT CONTROLLER FOR (A) INACTIVATING SAID DRIVING MEANS SO THAT IT NO LONGER MOVES SAID STRIP (B) MOVING SAID MAGNETIC SUPPORTING BED IN THE DIRECTION SAID STRIP HAS BEEN TRAVELING BUT AT GREATLY REDUCED SPEED AND (C) STRONGLY ENERGIZING SAID MAGNETIC SUPPORTING BED FOR MAGNETICALLY PULLING UP AND FLATTENING OUT SAID STRIP BY FIRMLY MAGNETICALLY CLAMPING IT TO THE MOVING BED, A TARGET ELEMENT IN THE FORM OF AN ELECTRICAL CONTACT IN THE PATH OF MOVEMENT OF SAID STRIP A PREDETERMINED DISTANCE AWAY FROM SAID CUTTING MEANS BEYOND SAID CIRCUIT CONTROLLER, AND MEANS RESPONSIVE TO THE ADVANCING END OF SAID STRIP REACHING SAID TARGET ELEMENT FOR (A) OPERATING SAID CUTTING MEANS TO SEVER SAID STRIP, (B) REACTIVATING SAID DRIVING MEANS FOR CONTINUED HIGH SPEED ADVANCEMENT OF SAID STRIP AND (C) RETURNING SAID MAGNETIC BED TO ITS INITIAL POSITION IN ITS INITIAL CONDITION.