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Publication of DE285079CpublicationCriticalpatent/DE285079C/de
H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
Schaltvorrichtung fuer die Vorschub- oder Schnellbewegungen der Werkzeuge oder Arbeitsstuecke bei Werkzeugmaschinen, wie insbesondere Hobelmaschinen, Fraesmaschinen, Karusselldrehbaenken usw., unter Verwendung von Hilfsmotoren