Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1996-01-03
1998-08-04
Mansen, Michael
Winding, tensioning, or guiding
Coil holder or support
Spool or core
112278, 242 22, 318135, B65H 6300, D05B 5100, H02K 4100
Patent
active
057881715
ABSTRACT:
An apparatus is disclosed which detects the residual quantity of bobbin thread on a sewing machine bobbin when the shuttle containing the bobbin is located at a specific phase position. The apparatus includes a detection rod driven by a solenoid so that one end contacts the outer periphery of the residual bobbin thread. A sensor signals when the amount of residual thread is less than a predetermined quantity.
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Juki Corporation
Mansen Michael
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