ELECTROMAGNETIC RELAY

PURPOSE:To prevent a card block from levitating and rolling in an electromagnetic relay which drives a contact mechanism by means of the card block having a permanent magnet which slides as an electromagnet portion is magnetized and demagnetized. CONSTITUTION:In an electromagnetic relay, a triangula...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SENDA YOSHIFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent a card block from levitating and rolling in an electromagnetic relay which drives a contact mechanism by means of the card block having a permanent magnet which slides as an electromagnet portion is magnetized and demagnetized. CONSTITUTION:In an electromagnetic relay, a triangular claw portion 103 is provided in the sliding portion 102 of a card block portion 101 and a similar claw portion 112 is provided also in the L-shaped sliding portion 111 of an electromagnet portion 110 corresponding to the sliding portion 102, and both of the claw portions 103, 112 are opposite to each other. The card block portion 101, which is put in sliding motion by magnetizing and demagnetizing of the electromagnet portion 110, is prevented from levitating and rolling, so as to prevent abnormal driving of a contact mechanism.