Method of and apparatus for the sewing of a multiplicity of stit

Details Method of and apparatus for the sewing of a multiplicity of stit Method of and apparatus for the sewing of a multiplicity of stit

1977-10-31

1978-12-26

Feldbaum, Ronald

Sewing

Special machines

Darning

11212129, 112 65, D05B 300, D05B 3300, D05B 8100

Patent

active

041310748

ABSTRACT:
A method of and apparatus for the sewing of a succession of stitchgroups on a workpiece and for the feeding of a new workpiece into sewing position, e.g. for producing buttonholes on shirtfronts. The buttonholes are formed by linearly displacing a buttonhole stitching machine stepwise relative to a clamped edge of a fabric workpiece, and a second clamp adjacent the first is provided to retain a second workpiece in position. When the first row of buttonholes is completed upon movement of the machine in one direction, the fabric workpiece, which has been buttonholed, is released, the second fabric is engaged and brought into position, and the sewing machine is displaced in the opposite direction to form a respective row of buttonholes on the new fabric.

REFERENCES:
patent: 2944496 (1960-07-01), Garner
patent: 3082719 (1963-03-01), Zeitlin
patent: 3323476 (1967-06-01), Kass
patent: 3371630 (1968-03-01), Cash
patent: 3837305 (1974-09-01), Cash
patent: 3878801 (1975-04-01), Conner
patent: 4067277 (1978-01-01), Solomon et al.

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