CH605043A5CH81377ACH81377ACH605043A5CH 605043 A5CH605043 A5CH 605043A5CH 81377 ACH81377 ACH 81377ACH 81377 ACH81377 ACH 81377ACH 605043 A5CH605043 A5CH 605043A5
Authority
CH
Switzerland
Application number
CH81377A
Inventor
Jean-Paul Croisier
Original Assignee
Mekafor
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MekaforfiledCriticalMekafor
Priority to CH81377ApriorityCriticalpatent/CH605043A5/xx
Priority to FR7734529Aprioritypatent/FR2377871A1/fr
Publication of CH605043A5publicationCriticalpatent/CH605043A5/xx
B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D9/14—Control devices for the reciprocating piston
B25D9/16—Valve arrangements therefor
B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
Landscapes
Physics & Mathematics
(AREA)
Fluid Mechanics
(AREA)
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)