Yarn winding bobbin

Details Yarn winding bobbin Yarn winding bobbin

1992-07-20

1993-09-28

Gilreath, Stanley H.

Winding, tensioning, or guiding

Bobbin or spool

Thread fastener or guide

242 18PW, B65H 7528

Patent

active

052481115

ABSTRACT:
A yarn winding bobbin is disclosed which includes a tubular wall composed of wound paper layers, and a yarn catching slot positioned adjacent one end of the tubular wall. The slot includes an inlet portion and a clamping portion, and the inlet portion includes an opening which extends completely through the wall. A yarn trap is formed in the opening for engaging a yarn which is positioned to move in the direction of rotation of the bobbin. The yarn trap is configured in such a manner that in the event of a suddenly occurring force exerted on the yarn, the yarn trap will not be destroyed. This is accomplished in that the yarn trap includes a yarn engaging edge which extends through the entire thickness of the wall of the bobbin, so that the yarn engages the entire thickness and not the individual paper layers.

REFERENCES:
patent: 3103305 (1963-09-01), Heatherly
patent: 4094476 (1978-06-01), Schmidt et al.
patent: 4867385 (1989-09-01), Lenk
patent: 4880183 (1989-11-01), Kubata et al.

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