NEEDLE POSITION DETECTOR

PURPOSE:To provide a needle position detecting device which can by easily adjusted and has a simple structure by providing an optical sensor and a light shielding plate and allowing a signal reversal part installed onto the light shielding plate to correspond to the lower needle position or upper ne...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NEGI SHIGEO, SHIBATA NOBUHO
Format: Patent
Sprache:eng
Schlagworte:
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