Sewing machine thread take-up lever

Details Sewing machine thread take-up lever Sewing machine thread take-up lever

1986-01-17

1987-04-28

Schroeder, Werner H.

Sewing

Elements

Take-ups

74 54, D05B 4902

Patent

active

046604820

ABSTRACT:
A thread take-up lever in a sewing machine in which the driving cam disc of the take-up lever is mounted on the crankshaft driving the needle bar up and down. The driving cam disc is supported on one side while the spacing on the other side can be optimally utilized. This enables a correct position of the thread take-up movement.

REFERENCES:
patent: 2438636 (1948-03-01), Ivandick
patent: 2660088 (1953-11-01), Serra
patent: 2682846 (1954-07-01), Bell

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