Locking device for removable sewing-machine control cams

Details Locking device for removable sewing-machine control cams Locking device for removable sewing-machine control cams

1985-05-30

1986-06-17

Schroeder, Werner H.

Sewing

Stitch forming

Zigzag

403349, D05B 302

Patent

active

045949590

ABSTRACT:
The cams controlling the operation of sewing machines, in particular for selection of the type of sewing stitch, are made on a single support which can be replaced by removal from a special housing in the sewing machine and locked in operative position.

REFERENCES:
patent: 2120623 (1938-06-01), Oxford et al.
patent: 3541981 (1970-11-01), Watson

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