Device for hydraulic power supply of a rotary apparatus for...

Device for power tools

Device for producing an abrupt feed motion

Device for supporting impact tool

Device for switching operating mode for hand tool

Device for transmitting pulsed axial percussions to a bore-formi

Device in hammer machines

Diesel hammer capable of delivering uplift blows and method of u

Diesel hammer systems and methods

Diesel hammer systems and methods

Diesel pile driver

Diesel pile-driving ram

Diesel type pile-driver

Discontinuous drive power tool spindle and socket interface

Double-headed tent stake driver and puller

Double-headed tent stake driver and puller having twin...

Double-piston rock drill

Double-ram striker assembly

Down the hole drill

Down-the-hole drilling machine