Device for retaining a chain of stitches in a sewing machine

Details Device for retaining a chain of stitches in a sewing machine Device for retaining a chain of stitches in a sewing machine

1976-08-20

1977-08-02

Krizmanich, George H.

Sewing

Elements

Thread cutting, severing or breaking

112253, 112DIG1, D05B 6500

Patent

active

040389332

ABSTRACT:
A sewing machine having a needle plate with an integrally formed tongue on which a chain of stitches is formed. The tongue includes an internal bore pneumatically connected to a vacuum unit which is selectively activated to draw a chain of stitches severed from the previously seamed workpiece into the bore. The suction created by the vacuum is sufficient to hold the chain of stitches and permit their release during advance of the next workpiece so as to be incorporated in the seam formed therein.

REFERENCES:
patent: 3143987 (1964-08-01), Daniel et al.
patent: 3379151 (1968-04-01), Tiemann
patent: 3511202 (1970-05-01), Strauss et al.
patent: 3581716 (1971-06-01), Teed
patent: 3624734 (1971-11-01), Schips
patent: 3698336 (1972-10-01), Launer
patent: 3922983 (1975-12-01), Schips et al.

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