Stop motion for textile fiber drafting machine

Claim 1

IN A DRAWING FRAME HAVING SETS OF FIBER DRAFTING ROLLS THROUGH WHICH A PLURALITY OF SIDE-BY-SIDE FIBROUS TEXTILE STRANDS ARE ADAPTED TO BE PASSED FROM A STRAND SUPPLY SOURCE, DRIVE MEANS FOR IMPARTING MOVEMENT TO SAID DRAFTING ROLLS, GUIDE MEANS DISPOSED BETWEEN SAID DRAFTING ROLLS AND THE STRAND SUPPLY SOURCE AND ENGAGEABLE WITH THE MOVING TEXTILE STRANDS TO GUIDE THE STRANDS ALONG A PREDETERMINED PATH INTO SAID DRAFTING ROLLS, AND ACTUATOR MEANS OPERABLE TO STOP SAID DRIVE MEANS AND ROTATION OF SAID DRAFTING ROLLS, THE COMBINATION THEREWITH OFF STRAND ACTUATED STOP MOTION MEANS OPERATIVELY CONNECTED TO SAID ACUTATOR MEANS AND COMPRISING (A) AN ELONGATED DETECTOR ELEMENT COMPRISING A PLIABLE STRAND POSITIONED IN ADVANCE OF SAID DRAFTING ROLLS AND EXTENDING IN A SUBSTANTIALLY STRAIGHT CONDITION TRANSVERSELY BENEATH AND NORMALLY OUT OF ENGAGEMENT WITH THE MOVING STRANDS AS THE SAME MOVE ALONG SAID PREDETERMINED PATH TOWARD SAID DRAFTING ROLLS, OPPOSITE ENDS OF SAID PLIABLE STRAND BEING POSITIONED CLOSER TOGETHER WHEN A MOVING TEXTILE STRAND MOVES A CERTAIN DISTANCE BELOW SAID PREDETERMINED PATH AND ENGAGES THE PLIABLE STRAND AND EXERTS A PULLING FORCE THEREON, AND WHEREIN SAID PLIABLE STRAND IS A MONOFILAMENT NYLON LINE HAVING A DIAMETER OF ABOUT 15 THOUSANDTH OF AN INCH, AND WHEREIN THE MOVING TEXTILE STRANDS HAVE A DIAMETER ON THE ORDER OF ONEHALF INCH, (B) MEANS SUPPORTING OPPOSITE ENDS OF SAID DETECTOR ELEMENT AND INCLUDING A MOVABLE SUPPORT FOR AT LEAST ONE END OF SAID DETECTOR ELEMENT, SAID MOVABLE SUPPORT BEING MOVABLE IN RESPONSE TO A FORCE BEING APPLIED TO SAID DETECTOR ELEMENT BY ANY OF THE STRANDS, AND (C) SWITCH MEANS OPERATIVELY CONNECTED TO SAID MOVABLE DETECTOR ELEMENT SUPPORT AND TO SAID ACTUATOR MEANS AND BEING OPERABLE IN RESPONSE TO MOVEMENT OF SAID MOVABLE DETECTOR ELEMENT SUPPORT TO OPERATE SAID ACTUATOR MEANS AND STOP ROTATION OF SAID DRAFTING ROLLS.