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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| Format: | Patent |
| Sprache: | eng |
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| 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. |
|---|