Thread take-off device of a sewing machine

Details Thread take-off device of a sewing machine Thread take-off device of a sewing machine

1980-05-06

1982-02-16

Hunter, H. Hampton

Sewing

Elements

Take-ups

D05B 4900

Patent

active

043154743

ABSTRACT:
The thread take-off device of the sewing machine is arranged between the needle thread reservoir and the thread tightener. This device is provided to prevent the direct take-off of the thread by the take-up lever from the storage spool by providing, in front of the tightener, an appropriate thread reserve without requiring any change in the path along which the thread is traveling. The take-off device comprises a lever oscillating synchronously with the take-up lever at right angles to the thread path. A lever portion, located in the rest position of the take-off lever, approximately at right angles to the thread and directly beside the latter, intersects with each downward movement of the take-up lever control arm, the travel path of the thread, whereby a thread reserve is pulled off from the spool. The return of the take-off lever is effected by a spring. It is not necessary to thread the yarn into the take-off lever or into any other, additional thread guide elements added solely because of this take-off device. The device is particularly suitable for household sewing machines with installed thread tighteners.

REFERENCES:
patent: 2436449 (1948-02-01), Pikul
patent: 2438833 (1948-03-01), Wood
patent: 2883954 (1959-04-01), Dreher

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