45504 ⎘
Portable percussive tools with fluid-pressure drive, , e.g. having several percussive tool bits operated simultaneously; Control devices for the reciprocating piston; Valve arrangements therefor involving a piston-type slide valve
PNEUMATICALLY OPERATED PERCUSSIVE TOOL
#2Breaking hammer and method of supporting percussion piston
#3Hydraulic hammering device
#4Fluid pressure striking device
#5VALVE BODY
#6Hydraulic hammering device
#7METHOD FOR SETTING THE STRIKING STROKE OF A STRIKING PISTON OF A PERCUSSION APPARATUS, AND A PERCUSSION APPARATUS FOR IMPLEMENTING SAID METHOD
#8Two-piston hydraulic striking device
#9Hydraulic hammer
#10Percussion apparatus provided with a centering device
#11Pneumatic tool
#12Hydraulic striking device
#13Hydraulic breaker capable of calculating operating time
#14Rock breaking device
#15Percussion apparatus
#16Hammer protection system and method
#17Hydraulic hammer having co-axial accumulator and piston
#18Hydraulic hammering device
#19Impact-driven tool
#20Hydraulic hammer having variable stroke control
#21Percussion piston
#22Automatic lubrication system with detune
#23Self-charging hydraulic hammer
#24Breaking device
#25Hydraulic hammer having delayed automatic shutoff
#26Device in a rock drilling machine and rock drilling machine
#27Impact body for hydraulic impact device
#28Collapsible drill and associated methods of use
#29Method for switching the striking stroke of a striking piston of a percussion device
#30Control of the working frequency of an impact mechanism
#31Hydraulic hammer having impact system subassembly
#32Hydraulic hammer having co-axial accumulator and piston
#33Device for rock and-concrete machining
#34Hydraulic impact mechanism for use in equipment for treating rock and concrete
#35Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools
#36Percussion device
#37Rock drilling machine and axial bearing module
#38Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools
#39Hammer with vibration reduction mechanism
#40Internally dampened percussion rock drill
#41Percussion device
#42Method in respect of a percussive device, percussive device and rock drilling machine
#43Method for controlling pressure fluid operated percussion device, and percussion device
#44Percussion equipment driven by a pressurized incompressible fluid
#45Valve device for a percussion device and a percussion device for a rock drilling machine
#46Internally dampened percussion rock drill
#47Percussion Device and Rock Drilling Machine Including Such a Percussion Device
#48Working machine
#49Pneumatic impact tool
#50Impulse generator and method for impulse generation
#51Percussion device
#52Percussion device
#53Hydraulic impact mechanism
#54Pressure-fluid-operated percussion device
#55Pneumatic hammer drill (II)
#56Pneumatic hammer drill (I)
#57Pneumatic impact tool and method
#58Rock drilling machine and axial bearing
#59Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston
#60Control valve and a method for a percussion device with a working cycle involving several coupling moments
#61Hydraulic hammer having a sealing bushing
#62Dual impact fluid driven hammering tool