Sewing machine for forming a plurality of seams

Details Sewing machine for forming a plurality of seams Sewing machine for forming a plurality of seams

1984-06-22

1985-12-24

Reynolds, Wm. Carter

Sewing

Work manipulating

Guides

112155, 112166, 112DIG2, D05B 2500, D05B 3502

Patent

active

045598835

ABSTRACT:
A sewing machine for simultaneously forming a plurality of spaced seams disposed in parallel relation. The machine includes a pair of spaced needle bars and needle clamps for supporting stitching needles. Adjacent each needle bar a presserfoot bar is provided for supporting separate presserfoots on their lower ends. Below each presserfoot there is a cooperating feed dog and below each feed dog a separate looper for controlling the lower threads during the formation of chain stitches. To form the stitches simultaneously, all of the machine's stitching instrumentalities, including the stitching needles, presserfeet, feed dogs and loopers, are operatively interconnected so that their movements occur at the same time.

REFERENCES:
patent: 874728 (1907-12-01), Bishop
patent: 1603246 (1926-10-01), Rocke
patent: 2131250 (1936-09-01), De Voe
patent: 3252437 (1966-05-01), Pickett
patent: 3395660 (1968-08-01), Lewis, Jr. et al.
patent: 3867891 (1975-02-01), Grabher

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