Structure of an upper hook provided with a hole and used in sewi

Details Structure of an upper hook provided with a hole and used in sewi Structure of an upper hook provided with a hole and used in sewi

1985-03-06

1987-07-21

Reynolds, Wm. Carter

Sewing

Stitch forming

Overseaming

112270, D05B 5706

Patent

active

046810471

ABSTRACT:
An upper hook structure for use in conjunction with a lower hook and a needle to form overedge stitches, in which the hook has a hole, a tip curved in the direction of the lower hook and a shoulder formed in a middle position on the upper hook to stop and guide the thread of the lower hook.

REFERENCES:
patent: 356590 (1887-01-01), Kohler
patent: 719552 (1903-02-01), Arnold
patent: 1640201 (1927-08-01), Maier
patent: 4252072 (1981-02-01), Draghicchio et al.

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