Drive device

A drive device comprises a first switchgear ( 9 ) and a second switchgear ( 11 ) which can be actuated respectively hydraulic pressure in an opening direction and via spring force in a closing direction, and which are provided with a device ( 26 ) by which the first switchgear ( 9 ) and the second s...

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Bibliographische Detailangaben
1. Verfasser: GERHARD BUCK,HELMUT EYMULLER,SIEGFRIED STUTZLE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A drive device comprises a first switchgear ( 9 ) and a second switchgear ( 11 ) which can be actuated respectively hydraulic pressure in an opening direction and via spring force in a closing direction, and which are provided with a device ( 26 ) by which the first switchgear ( 9 ) and the second switchgear ( 11 ) are to be actuated in the opening direction when the switchgears are actuated in the closing direction.