45555 ⎘
Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston
VALVE CYLINDER, IMPACT DEVICE AND METHOD
#2Two-piston hydraulic striking device
#3Hydraulic hammer having co-axial accumulator and piston
#4Hydraulic hammering device
#5Hydraulic hammer having impact system subassembly
#6Hydraulic hammer having co-axial accumulator and piston
#7Percussion device
#8Pressurised air pick device with variable control
#9Hydraulic pick
#10Rock drilling machine and axial bearing
#11Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston
#12Control valve and a method for a percussion device with a working cycle involving several coupling moments
#13Impact device with a rotable control valve
#14Impact tool