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1. (WO2015117639) HYDRAULIC CLAMPING ELEMENT

Pub. No.:    WO/2015/117639    International Application No.:    PCT/EP2014/052130
Publication Date: Fri Aug 14 01:59:59 CEST 2015 International Filing Date: Wed Feb 05 00:59:59 CET 2014
IPC: B25B 5/06
Applicants: STÄUBLI TEC-SYSTEMS GMBH
Inventors: FRÖBA, Thomas
GRIESBECK, Karl Heinz
Title: HYDRAULIC CLAMPING ELEMENT
Abstract:
The invention relates to a clamping device (1) comprising a first hollow chamber (19) and a second hollow chamber (20), the clamping device being designed in such a way that a force that is transmitted to a clamping projection (4) when a pressure fluid is introduced into the first hollow chamber (19) is smaller than a force that pushes the piston into the released position when the second hollow chamber (20) is subjected to the pressure fluid under the same pressure.