Needle positioner for high speed stitching machines

Details Needle positioner for high speed stitching machines Needle positioner for high speed stitching machines

1979-08-17

1981-06-09

Schroeder, Werner H.

Sewing

Elements

Starting or stopping

D05B 6922

Patent

active

042717752

ABSTRACT:
A system for positioning the needle of a high speed stitching machine includes a pitman assembly connected to a foot pedal and extending upwardly therefrom. A piston-cylinder device is interposed between the pitman assembly and a brake actuating mechanism for a main drive motor. A valve is secured to the pitman assembly in proximity to a stationary member. The valve is connected in fluid communication with the piston-cylinder device and a needle positioning mechanism.

REFERENCES:
patent: 3541982 (1970-11-01), Marforio
patent: 3924553 (1975-12-01), Tice
patent: 3977339 (1976-08-01), Tice

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