Looptaker mechanism

Sewing – Elements – Revolving hooks

Patent

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Details

D05B 5708, D05B 5726

Patent

active

045235341

ABSTRACT:
A rotating sewing machine hook (1) with a horizontal shaft in which the axis of the under thread bobbin (15) forms an angle (a>0) to the hook shaft in a horizontal plan, whereby the width of the bobbin can be increased without the use of thread guide plates, because the inclination of the bobbin in the bobbin holder (6) facilitate the passage of the upper thread around the bobbin holder.

REFERENCES:
patent: 1474138 (1923-11-01), Bell et al.
patent: 1484624 (1924-02-01), Cooper
patent: 2148385 (1939-02-01), Waterman
patent: 3146744 (1964-09-01), Bradshaw
patent: 3343510 (1967-09-01), Attwood et al.
patent: 4292906 (1981-10-01), Johnson

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