Pulse generator for a sewing machine drive

Details Pulse generator for a sewing machine drive Pulse generator for a sewing machine drive

1987-01-13

1988-06-21

Nerbun, Peter

Sewing

Elements

Starting or stopping

250231SE, D05B 6924, G01D 534

Patent

active

047518880

ABSTRACT:
A pulse generator for a sewing machine drive, having a shaft revolving synchronously with the main shaft of the sewing machine. The pulse generator shaft is connected with two support elements which carry a strobe disk provided with control segments of bright and dark zones, the strobe disk extends between pairs of light emitting and light receiving components. The strobe disk includes a first partial disk non-rotationally connected with one support element and a second partial disk arranged adjacent and non-rotationally connected with the other support element, the angle regions of the mutually correlated bright and dark zones of the control segments of the two partial disks differing from each other, one support element being rotatable relative to the other support element, so as to change the bright and dark zones of the strobe disk.

REFERENCES:
patent: 3683294 (1972-08-01), Gaa
patent: 4463698 (1984-08-01), Shinozaki
patent: 4584954 (1986-04-01), Soyama et al.

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