45509 ⎘
Portable percussive tools with fluid-pressure drive, , e.g. having several percussive tool bits operated simultaneously; Control devices for the reciprocating piston; Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
Pavement breaker
#2Stepless variable auto stroke hydraulic breaker system
#3Hydraulic hammer having delayed automatic shutoff
#4Valve
#5Pressure protection valve for hydraulic tool
#6Implement having rotational speed reduction and operating method therefor
#7Device and method for controlled breaching of reinforced concrete
#8Hydraulic pick
#9Device and method for controlled breaching of reinforced concrete
#10Hydraulic impact hammer with overpressure and piston-overtravel protection
#11Air intake control structure for pneumatic tool