Safety means for paper winding machine

Claim 1

IN A PAPER WINDING MACHINE, AN AXLESS SHELL ON WHICH A PAPER WEB IS ADAPTED TO BE WOUND, A PAIR OF ROLLERS FOR SUPPORTING SAID SHELL, SAFETY MEANS OPERABLY ASSOCIATED WITH SAID SHELL FOR PREVENTING THE UNINTENTIONAL DISLODGEMENT OF SAID SHELL FROM SAID PAIR OF ROLLERS DURING HIGH SPEED WINDING DUE TO IMBALANCE OF SAID SHELL, SAID SAFETY MEANS INCLUDING AT LEAST TWO VERTICALLY SPACED TUBES EXTENDING HORIZONTALLY OF THE MACHINE AND BEING OF SUCH LENGTH AS TO CORRESPOND TO THE WIDTH OF THE WEB BEING WOUND ON SAID SHELL, PAIRS OF LEVERS, EACH PAIR OF LEVERS BEING CONNECTED AT ONE OF THEIR ENDS TO A TUBE, MEANS PIVOTALLY MOUNTING THE OTHER ENDS OF SAID PAIRS OF LEVERS BEING CONNECTED AT ONE OF THEIR ENDS TO A TUBE, MENT, DRIVE MEANS FOR MOVING SAID LEVERS AND TUBES UPWARD AND DOWNWARD, MEANS CONNECTING ONE OF SAID PAIRS OF LEVERS TO SAID DRIVE MEANS, SWITCH MEANS DETERMINING THE UPPER AND LOWER LIMITS OF SAID PAIRS OF LEVERS, MEANS OPERABLY CONNECTING THE RESPECTIVE SWITCH MEANS WITH SAID DRIVE MEANS FOR INTERRUPTING SAID DRIVE MEANS WHEN ONE OF SAID PAIRS OF LEVERS ENGAGES ONE OF SAID SWITCH MEANS, FEELER MEANS CARRIED BY THE LOWERMOST OF SAID TUBES, ADDITIONAL SWITCH MEANS ACTUATED BY SAID FEELER MEANS WHEN SAID FEELER MEANS CONTACTS AN OBSTACLE IN THE PATH OF MOVEMENT OF SAID SAFETY MEANS, AND MEANS OPERABLY COUPLING SAID ADDITIONAL SWITCH MEANS TO THE DRIVE MEANS FOR INTERRUPTING SAID DRIVE MEANS.