45506 ⎘
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 rotary-type slide valve
Hammer temperature protection system and method
#2Valve
#3Hammering device
#4Sealing arrangement in rotating control valve of pressure fluid-operated percussion device
#5Percussion device
#6Method for controlling pressure fluid operated percussion device, and percussion device
#7Pulse generator and impulse machine for a cutting tool
#8Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
#9Impact device and method for generating stress pulse therein
#10Impact device with a rotable control valve