7 components of textile machines, namely, spindles, spindle bearings, drafting mechanisms, drafting cylinders, bobbin carriers, thread guides, mechanical sensors for detecting the presence or absence of a thread, thread cutters, thread tensioners, mechanical thread strength testers and bearings; and accessories for textile machines, namely, piecer units, transporters for feeding in starting material and feeding off final material; spinning machines of all kinds for textile fibers and filaments, particularly ring spinners, speed frames (flyers), draw twisting machines, stretching/winding machines and devices for joining the ends of broken threads