Upper feed mechanism for sewing machines

Details Upper feed mechanism for sewing machines Upper feed mechanism for sewing machines

1985-03-21

1986-04-15

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

112320, D05B 2706

Patent

active

045820104

ABSTRACT:
An upper feed mechanism positively driven in four directions above the work supporting surface of the machine for concommitantly advancing work along a predetermined feed path. The upper feed mechanism includes an upper feed dog carried on the presser arm of the machine. In the usual manner, the presser arm has a presser foot hinged at one end thereof. The opposite end of the presser arm is slidably pivoted relative the machine frame such that the presser arm, presser foot and upper feed dog mechanism may be conjointly moved sidewise as a modular assemblage thus permitting operating access to the sewing area of the machine.

REFERENCES:
patent: 4417536 (1983-11-01), Shiomi
patent: 4449464 (1984-05-01), Porter
patent: 4462530 (1984-07-01), Block et al.

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