Filament break detector

Claim 1

IN A TEXTILE MACHINE, A CONTROL DEVICE COMPRISING A SUPPORT; TUBULAR DETECTOR MEANS MOUNTED ON SAID SUPPORT AND MOVABLE BETWEEN A FIRST POSITION AND A SECOND POSITION; BIASING MEANS URGING SAID TUBULAR DETECTOR MEANS FROM SAID FIRST INTO SAID SECOND POSITION THEREOF; MEANS FOR ADVANCING A FILAMENT UNDER TENSION AND LENGTHWISE ALONG A PREDETERMINED PATH EXTENDING LENGTHWISE THROUGH SAID TUBULAR DETECTOR MEANS WHEN THE SAME IS IN SAID FIRST POSITION THEREOF WITH SAID FILAMENT CONTACTING SAID TUBULAR DETECTOR MEANS IN SUCH A MANNER AS TO TEND TO RETAIN SAID TUBULAR DETECTOR MEANS IN SAID FIRST POSITION THEREOF AGAINST THE ACTION OF SAID BIASING MEANS WHEN SAID FILAMENT IS UNDER A PREDETERMINED MINIMUM TENSION, SAID TUBULAR DETECTOR MEANS BEING MOVED BY SAID BIASING MEANS INTO SAID SECOND POSITION THEREOF WHEN THE TENSION OF SAID FILAMENT DECREASES BELOW SAID PREDETERMINED TENSION AND SAID FILAMENT THEREBY DEVIATES FROM SAID PREDETERMINED PATH THEREOF; SIGNAL GENERATING MEANS FOR GENERATING A SIGNAL IN RESPONSE TO MOVEMENT OF SAID TUBULAR DETECTOR MEANS FROM ONE TO THE OTHER POSITION THEREOF; AND ACTUATING MEANS COMPRISING AN OPERATIVE CONNECTION WITH SAID TUBULAR DETECTOR MEANS AND WITH SAID SIGNAL GENERTING MEANS FOR ACTUATING THE LATTER WHEN SAID TUBULAR DETECTOR MEANS MOVES INTO SAID SECOND POSITION THEREOF.