Sewing machine with a light barrier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 4, 2003
Grant Date -
Oct 25, 2001
app pub date -
Apr 18, 2001
filing date -
Apr 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sewing machine with a light barrier used to detect the edge of a workpiece has an optical light guide (17) connected to the light source (15). The optical guide (17) is arranged in the thread guide hook (12). The thread guide hook (12) is fastened to the front side of the head (4) of the housing and is designed as a small tube for this purpose.
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Family
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Cited Art Landscape
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