Yarn actuated stop motion device

A yarn stop-motion device operatively associated with and positioned on one side of a yarn-processing apparatus, said device comprising a supporting frame, a stationary yarn cutting means secured to said frame, yarn break-detector means for detecting a yarn break pivotally mounted on said frame, and yarn guide means for guiding the yarn along a substantially linear path spaced from said cutting means during thread-up and normal operation of said device and said yarn-processing apparatus and for releasing the yarn into said cutting means in the event of a detection of a yarn break by said yarn break-detector means.

A yarn stop-motion device operatively associated with a yarn-processing apparatus, said device comprising a supporting frame, a stationary yarn cutting means secured to said frame, yarn break-detector means for detecting a yarn break pivotally mounted on said frame, and yarn guide means for guiding the yarn along a path spaced from said cutting means during thread-up and normal operation of said device and yarn-processing apparatus and for releasing the yarn into said cutting means in the event of a detection of a yarn break by said yarn-break detector means;

• said cutting means comprising a yarn guide surface on said supporting frame and a cutter blade adjacent said surface and secured to the frame, said guide means comprising a first movable guide element mounted on the frame and a second stationary guide element mounted on the frame and spaced from the first guide element and said first guide element being a rotatable element provided with two notches for guiding the yarn, one notch guiding the yarn during string-up and the other notch guiding the yarn during normal operation.

A yarn stop-motion device operatively associated with a yarn-processing apparatus, said device comprising a supporting frame, a stationary yarn cutting means secured to said frame, yarn-break detector means pivotally mounted on said frame for detecting a yarn break, and yarn guide means for guiding the yarn along a path space from said cutting means during thread-up and normal operation of said device and said yarn processing apparatus and for releasing the yarn into said cutting means in the event of a detection of a yarn break by said yarn-break detector means;

• said guide means comprising a rotatable guide element provided with two guide member for guiding the yarn, one guide member guiding the yarn during string-up and the other guide member guiding the yarn during normal operation.