Electrical automatic pattern stiching sewing machine

Details Electrical automatic pattern stiching sewing machine Electrical automatic pattern stiching sewing machine

G - Physics

05

B

342/22

G05B 19/02 (2006.01) D05B 19/14 (2006.01)

Patent

CA 1073084

ABSTRACT OF THE DISCLOSURE An electrical automatic pattern stitching sewing machine having a machine housing, an upper shaft rotatably journalled in the machine housing and stitch forming instrumentalities for changing the positions of the needle and the sewn work to form stitches. The machine comprises: a static memory storing infor- mation for the stitch forming instrumentalities, pulse generating means generating a pulse signal in a timed relation of the upper shaft, control circuit means operated by the pulse signal from the pulse generating means to render effective the information of the static memory, drive circuit means operated by a signal from the control circuit means, reversible pulse controlled means driven by a signal from the drive circuit means, and control means operated by the reversible pulse controlled means to actuate the stitch forming instrumentalities.

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