Patent ID: 6856851

Claim:
Apparatus for operating and controlling a textile machine designed for processing a roving in order to form it into a yarn made from a continuous sequence of portions, each portion having predetermined count and/or twist characteristics, the apparatus comprising; at least one driving means connected for operation to an operating shaft, the operating shaft being capable of carrying out processes on the roving designed to produce the yarn; at least one operating device, connected for operation to the driving means, the operating means being capable of operating the driving means according to reference signals; at least one control device connected for operation to the operating device; wherein the control device comprises first means for generating a reference signal for keeping the count and/or twist characteristics constant along the yarn; together with second means for generating a reference signal for producing count and/or twist characteristics which are variable along the yarn; and additionally, means for selecting the operation of the driving means, connected for operation to the control device, and capable of enabling or disabling the first means and the second means.