Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-01-28
1987-09-22
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B65H 5446
Patent
active
046950001
ABSTRACT:
A device for winding up a thread or yarn or the like into a yarn package on a rotatable, conical bobbin tube comprises a drive roller which has an intermediate rotational element fixedly coupled to a drive shaft and two lateral rotational elements disposed laterally of the fixedly coupled intermediate rotational element and rotatably supported on the drive shaft. The lateral rotational elements are interconnected by a differential transmission. The differential transmission comprises a friction coupling. This affords the advantage of a strong reduction in the danger of damage to the yarn package in the event of blockage of one of the lateral rotational elements. Furthermore, the results of faulty manipulation of the drive roller during servicing or maintenance thereof is very substantially reduced.
REFERENCES:
patent: 492613 (1893-02-01), Pierce
patent: 1277933 (1918-09-01), Holt et al.
patent: 4089480 (1978-05-01), Kamp
patent: 4415125 (1983-11-01), Schwengeler
Fretz Walter
Hefti Walter
Gilreath Stanley N.
Kleeman Werner W.
Maschinenfabrik Rieter AG
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