Wind-on device for workstations of two-for-one twisters and...

Details Wind-on device for workstations of two-for-one twisters and... Wind-on device for workstations of two-for-one twisters and...

2011-01-11

2011-01-11

Dondero, William E (Department: 3654)

Winding, tensioning, or guiding

Helical or random winding of material

Plural distinct strands onto single spool

C242S486100, C057S058700, C057S058830

Reexamination Certificate

active

07866589

ABSTRACT:
Wind-on device for workstations of two-for-one twisters and ply twisters with a take-up bobbin, a drive shaft extending in the longitudinal direction of the machine, a friction roller which is driven by the drive shaft and causes the take-up bobbin to make a rotational movement, and a driven advance roller positioned upstream of the friction roller in the yarn run. According to the invention, in addition to the friction roller (14, 15), the advance roller (8, 9) is also driven by the drive shaft (27, 28) and in that the advance roller (8, 9) is mounted on a support element (23, 24) and can be pivoted together with the support element (23, 24) about a pivot axle selectively into an operating position or into a higher situated service position.

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