公开(公告)号：US20230339087A1

公开(公告)日：2023-10-26

申请号：US18136639

申请日：2023-04-19

申请人： MONTABERT

发明人： Eric FOUGEROUX

IPC分类号： B25D9/26 ,  B25D9/12

CPC分类号： B25D9/26 ,  B25D9/12 ,  B25D2209/002 ,  B25D2250/125 ,  B25D2250/371

摘要： A percussion apparatus including a pressure regulating device comprising a regulating cylinder; a connecting channel opening into the regulating cylinder; a pressure regulating slide mounted movable in translation within the regulating cylinder and delimiting, with the regulating cylinder, a connecting passage having a passage section which varies according to the regulating position occupied by the pressure regulating slide; a biasing element configured to exert a prestress on the pressure regulating slide; and a prestress setting device configured to set a prestress exerted by the biasing element on the pressure regulating slide.