Contour stitching apparatus for use with a sewing head

Details Contour stitching apparatus for use with a sewing head Contour stitching apparatus for use with a sewing head

1979-08-27

1980-08-19

Hunter, H. Hampton

Sewing

Special machines

Darning

D05B 2100

Patent

active

042178380

ABSTRACT:
An apparatus for use with a sewing head for making a predetermined stitch pattern in juxtaposed material pieces includes a base plate having a toothed cam track fixed thereto, as well as a parallel cam groove, and movably mounted above the base plate is an upper support plate to which is secured clamping means for holding the juxtaposed material pieces. The upper support plate is supported by two pairs of orthagonal support rods, and a toothed cam gear is rotatably mounted to and depends from the upper bearing plate so as to be in engagement with the toothed cam track, while the shaft of the toothed cam gear is disposed in the cam groove. The shaft functions as a follower as the toothed cam gear is rotated by suitable drive means, whereby the juxtaposed material pieces are moved beneath the needle of the sewing head in the predetermined stitch pattern.

REFERENCES:
patent: 3001489 (1961-09-01), Bond et al.
patent: 3216380 (1965-11-01), Bono
patent: 3450076 (1969-06-01), Bender
patent: 4111137 (1978-09-01), Kirby

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