Fabric guiding device and process of automatic sewing

Details Fabric guiding device and process of automatic sewing Fabric guiding device and process of automatic sewing

1991-07-26

1993-02-16

Nerbun, Peter

Sewing

Stitch forming

Feeding work material

11212111, 112153, 1122623, 271227, 271251, D05B 2704, D05B 2710, D05B 3510, D05B 1900

Patent

active

051861151

ABSTRACT:
A process and device are disclosed for automatic sewing of a piece of fabric along its edges. The process is of the type in which a rolling element (12) orientable by pivoting around a vertical axis YY' bears against the fabric in front of the presser-foot in order to guide and entrain the fabric in front of the sewing zone. The rolling element (12) is driven into rotational movement by a cylinder (16) bearing against that element in its upper zone traversed by the pivoting axis YY' in such a manner that the contact of the cylinder against the rolling element leaves this latter free to pivot, especially at high frequency, about the axis YY' independently of the value of the friction coefficient between the cylinder and the rolling element.

REFERENCES:
patent: 4719864 (1988-01-01), Barrett et al.
patent: 4730824 (1988-03-01), Huau et al.
patent: 4776579 (1988-10-01), Romand et al.
patent: 4825787 (1989-05-01), Babson et al.
patent: 4836119 (1989-06-01), Siraco et al.
patent: 4887810 (1989-12-01), Grutzmacher et al.

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