Needle position indicating device for a sewing machine

Details Needle position indicating device for a sewing machine Needle position indicating device for a sewing machine

1985-09-30

1986-07-08

Reynolds, Wm. Carter

Sewing

Elements

Starting or stopping

D05B 6924

Patent

active

045986576

ABSTRACT:
When a sewing machine is stopped, it is electrically indicated whether a needle is positioned at a range where the thread passing is available so that intermittent indication during stitching operation is not made. The sewing machine is provided with a device including a neon lamp and a light interrupting member. The sewing machine has on its exposed front surface lighting indicators which are illuminated by the light of the neon lamp if this light is transmitted by the interrupting member which is mounted on or in the vicinity of the movable device for vertical movement of the needle so that the indicators indicate in the inoperative position of the sewing machine that the thread may be passed in a thread passing device.

REFERENCES:
patent: 3195488 (1965-07-01), Winberg
patent: 3503352 (1970-03-01), Peterson
patent: 3564376 (1971-02-01), Mais et al.
patent: 4013933 (1977-03-01), Dohi et al.
patent: 4078506 (1978-03-01), Sasaki
patent: 4406238 (1983-09-01), Hisatake et al.

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