Sewing – Elements – Needles
Patent
1990-09-17
1992-02-11
Schroeder, Werner H.
Sewing
Elements
Needles
112221, D05B 8702, D05B 5514
Patent
active
050867199
ABSTRACT:
A sewing machine comprising a threading device and a needle-bar raising means. A threading switch is operated and a sewing machine motor is stopped. Subsequently, thread is passed onto a linkage, a needle bar is disconnected from an arm shaft, and the needle bar is raised to a given position. After the needle bar is set in its uppermost position, thread stretched out from the linkage 38 to the front of an eye in a needle is passed through the eye in the needle. If the end of thread is manually held in front of the eye in the needle to stretch out prior to threading operation, the needle bar does not lower, thus enhancing operational safety and preventing thread from loosening.
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Brother Kogyo Kabushiki Kaisha
Izaguirre Ismael
Schroeder Werner H.
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