Textiles: spinning – twisting – and twining – Apparatus and processes – Receiving twist type
Patent
1978-04-10
1981-05-05
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Receiving twist type
57 78, 57105, 57122, 57124, 57261, D01H 758, D01H 1241
Patent
active
042650810
ABSTRACT:
A yarn spinning and twisting machine which includes a drive transmission from a drive source to a plurality of spinning rings carried by vertically movable platforms and having a control for delaying the starting of the drive transmitted to the spinning rings at the start-up of the machine and for disestablishing the drive to the spinning rings before the end of the last cycle of the machine to maintain the yarn in taut condition and minimize breakage of the yarn.
A drive transmission for the spinning rings of a yarn spinning or twisting machine in which the drive source for the rings is mounted on the main frame of the machine and includes a pair of elongated vertically disposed drive shafts belt driven at the lower ends from the drive source, a pair of longitudinal drive belts extending along the vertically reciprocated platforms which carry the spinning rings, with each belt engaging the elongated vertical shaft and the other end of the belt engaging tensioning and idler rolls carried by the vertically movable platform, belt pulleys for driving selected spinning ring holders from the belt, and belt pulleys for transmitting the drive from one spinning ring to a plurality of others.
A spinning ring, including a split ring for exerting a plurality of different outward forces on upper and lower outer pulleys and generating an outward flow of cooling and cleaning air and providing a protective skirt or lip around the bearing to keep it clean.
REFERENCES:
patent: 2541238 (1951-02-01), Goree
patent: 2563187 (1951-07-01), Pennati
patent: 3543503 (1970-12-01), Watabe et al.
patent: 3738094 (1973-06-01), Costales et al.
patent: 3785140 (1974-01-01), Muller
patent: 4023342 (1977-05-01), Schenkel
Petrakes John
Spurmach Espana S. L.
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