Pulse generator for a sewing machine drive
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United States of America Patent
Stats
-
Jun 21, 1988
Grant Date -
N/A
app pub date -
Jan 13, 1987
filing date -
Jan 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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