Automatic zigzag sewing machine

Details Automatic zigzag sewing machine Automatic zigzag sewing machine

1976-03-05

1977-12-20

Schroeder, Werner H.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

040635252

ABSTRACT:
A zigzag sewing machine wherein, when a pattern selecting means is manually operated for selecting a desired stitch pattern, at least one of an amplitude regulator and a feed regulator is automatically set, in accordance with the manual operation of said selecting means, to a certain suitable condition which is previously designed to form a master stitch pattern for each pattern to be selected, and wherein at least one of manually operable knobs which are operatively connected with the two regulators, respectively, is not only automatically set at the same time with the regulator setting, indicating the set condition thereof, but also adjustable to change the set condition within a certain range for forming a modified stitch pattern similar to the master pattern.

REFERENCES:
patent: 2848963 (1958-08-01), Johnson
patent: 3043252 (1962-07-01), Engel
patent: 3126849 (1964-03-01), Giesselmann
patent: 3313257 (1967-04-01), Hanyu et al.
patent: 3807329 (1974-04-01), Daman
patent: 3871310 (1975-03-01), Hanyu

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