Filament-drawing assembly for spinning machine

Details Filament-drawing assembly for spinning machine Filament-drawing assembly for spinning machine

1978-05-18

1980-04-01

Schroeder, Werner H.

Textiles: fiber preparation

Working

Drafting

74665G, D01H 122, D01H 582

Patent

active

041953894

ABSTRACT:
An assembly of filament-drawing rollers, used for stretching rovings or fiber bundles in a spinning machine, is divided into a plurality of stages each including an elongate driven roller and a set of coacting counterrollers, the driven rollers being interconnected at both ends by respective gear trains for rotation at predetermined relative speeds by a motor driving one of these gear trains. In order to prevent any overstressing of the mechanism if nonmatching gears are inadvertently inserted into the two gear trains, a torque limiter in the form of a shearing bolt or a friction clutch is interposed between at least one driven roller and an associated driving gear. Advantageously, the torque limiter is provided with a device generating an alarm signal upon relative rotation, due to overload, of its input and output shafts respectively joined to the driving gear and the driven roller.

REFERENCES:
patent: 2585113 (1952-02-01), Gredell
patent: 2875645 (1959-03-01), Keyser
patent: 3213709 (1965-10-01), Bjork

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