Self-threading needle

Details Self-threading needle Self-threading needle

1984-04-16

1985-09-10

Schroeder, Werner H.

Sewing

Elements

Needles

D05B 8502

Patent

active

045399239

ABSTRACT:
A self-threading needle has a threading slot entering into the upper portion of the needle eye at approximately two thirds from the bottom of the eye, and has a point offset relative to the axis of elongation of the needle toward the same side of the needle from which the slot enters the eye. The slot lies in a plane substantially normal to the axis of the needle and to the wall of the needle in which the slot is formed. The needle includes a clearance above the eye and a thread accommodating groove.

REFERENCES:
patent: 775036 (1904-11-01), Hall
patent: 1323340 (1919-12-01), Weis
patent: 1924378 (1933-08-01), Rattie
patent: 3265021 (1966-08-01), Matthews
patent: 4385575 (1983-05-01), Weber
patent: 4458614 (1984-07-01), Iwashita

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