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专利名称：PNEUMATIC HOLDING DEVICE发明人：DENZLER E,CH,WIDMER R,CH申请号：US23914372申请日：19720329公开号：US3853037A公开日：19741210
摘要：A pneumatic holding device with at least one piston which can be impinged witha pressurized fluid medium at one face and displaceable in a cylinder against the action ofa restoring force. The cylinder connection leading to the impinged face of the piston canbe obturated by a valve mechanism which can be closed by the impinging fluid medium.The valve mechanism contains a valve body in which there is mounted a check or reliefvalve which opens in the direction of closing of the valve body. When open the valvemechanism communicates the impinged face of the piston with the face of the piston notimpinged by the fluid medium.
申请人：SCHLATTER H AG,CH
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