Matches 1 - 37 out of 37


Match Document Document Title
US20150101835 Percussion Unit  
Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for controlling a pneumatic percussion mechanism. According to the disclosure,...
US20110203822 OIL PULSE TOOL  
According to an aspect of the invention, an oil pulse tool includes: a motor generating a driving force; an oil pulse unit including a shaft, the oil pulse unit being driven by the motor and...
US20130161050 ELECTRIC MOTOR DRIVEN TOOL FOR ORTHOPEDIC IMPACTING  
An orthopedic impacting tool comprises a motor, an energy storage means, a striker, and an anvil. The motor stores energy in the energy storage means and then releases it, causing the striker to...
US20140318823 ELECTRIC MOTOR DRIVEN TOOL FOR ORTHOPEDIC IMPACTING  
An orthopedic impacting tool comprises a motor, an energy storage means, a striker, and an anvil. The motor stores energy in the energy storage means and then releases it, causing the striker to...
US20060065417 Drilling and/or chusel hammer  
A percussion hammer, in particular a drilling and/or chisel hammer includes a first housing part (11) in which the hammer motor (3) is arranged, a second housing part (12) in which the drive gear...
US20060108136 Rotary air joint for pneumatic tool  
A rotary air joint includes a tool connector fastened to an air inlet of a pneumatic tool, a plug member coupled to and rotatable relative to the tool connector, a first rotary member connected...
US20140014383 HAND-HELD POWER TOOL  
The hand-held power tool has a tool socket, a motor and a pneumatic striking mechanism. The striking mechanism has an exciter driven by the motor along a working axis, a striker coupled to the...
US20110000695 PULSE GENERATING DEVICE AND A ROCK DRILLING RIG COMPRISING SUCH A DEVICE  
The present invention relates to a pulse generating device for inducing a shock wave in a tool, wherein the said pulse generating device comprises an impact means (201; 301) for transferring...
US20100139939 HYDRULIC BREAKER ASSEMBLY  
A hydraulic breaker assembly including a head cap, a cylinder, and a front head, which arc mounted in a casing, wherein corresponding faces of the front head and the cylinder are connected by...
US20090272555 PULSE MACHINE, METHOD FOR GENERATION OF MECHANICAL PULSES AND ROCK DRILL AND DRILLING RIG COMPRISING SUCH PULSE MACHINE  
According to one aspect of the invention hydraulic pressure pulses are created in a rock drill machine utilizing a rod (7, 7a, 7b) made of a magnetostrictive material arranged in one or more...
US20130319712 CHISELING POWER TOOL  
A hand-held power tool is disclosed. The tool has a pneumatic striking mechanism. The striking mechanism includes a motor-driven exciter, a guide tube and a striker. A pneumatic spring configured...
US20100163260 Drilling and/or Percussive Hammer with No-Load Operation Control  
A drilling and/or percussive hammer comprises a handle (10) and a hammer housing (1), which can move relative to the handle (10) and inside of which, among other things, a pneumatic spring...
US20060237206 Percussion power tool  
A percussion mechanism (21; 41) for a percussion power tool includes an impact element (24; 44) reciprocating along a percussion axis (22; 42) of the percussion mechanism (21; 41) and acting on...
US20120067606 HYDRAULIC BREAKER  
Disclosed is a hydraulic breaker. The hydraulic breaker includes a back head provided therein with a gas chamber; a cylinder assembled to a lower portion of the back head; a front head assembled...
US20100059242 PERCUSSION DEVICE  
The invention relates to a percussion device having a body and a percussion piston moving therein, pressure fluid spaces in the rear and front ends of the percussion piston and pressure fluid...
US20100300718 Machine tool  
The machine tool includes a pneumatic percussion mechanism having a cup-shaped exciter cylinder (21) with an inner chamber (31) which is open in the direction of impact (26), and a free piston...
US20050224243 Tool holding fixture for a machine tool  
The invention relates to a tool receptacle for a hand power tool, in particular for a drill hammer, having a receiving opening (12) for receiving a tool shaft (14) and having a hammering bolt...
US20060054333 Portable power tool, in particular a drilling hammer and/or impact hammer  
A portable power tool has a housing, a rotating sleeve provided for rotatably driving a tool and a rotatably supported in the housing by at least one bearing, a driving gear-wheel installed on the...
US20080006418 Beat piece wear indicator for powered hammer  
A powered hammer includes a housing coupled to a tool holder having a front end, and including a motor, a cylinder, and a piston is slideably received within the cylinder. A drive mechanism...
US20100224383 PNEUMATIC HAMMER MECHANISM  
A pneumatic hammer mechanism is disclosed. The hammer mechanism features: a flying mass, which is movable along an impact axis; an impact surface, which limits a movement of the flying mass along...
US20080164042 Hand-held power tool with pneumatic percussion mechanism  
A hand-held power tool includes a percussion mechanism (2) having a percussion piston (5) for impacting at least one anvil (8, 8′a, 8′b) displaceable in a guide tube (6) between two, spaced from...
US20090133893 Hand-held power tool with a pneumatic percussion mechanism  
A hand-held power tool includes a pneumatic percussion mechanism having a percussion piston reciprocating along a percussion axis and having a bore extending at an angle to the percussion axis,...
US20060248701 Hammer  
This patent relates to a method of assembling a spindle assembly comprising: a tubular spindle (2); a beat piece structure which is capable of being located and slid within a part (6) of the...
US20070277992 Percussion hand-held power tool with axially displaceable percussion mechanism  
A percussion hand-held power tool includes a housing (4), a chuck (2) provided at one end of the housing (4), a handle (3) provided at an opposite end of the housing (4) and secured thereto, an...
US20090020299 Hand-held power tool with a pneumatic percussion mechanism  
A hand-held power tool includes a motor-driven percussion mechanism including a guide tube (21), a reciprocating driving member (22) displaceable in the guide tube (21) for driving, via a gas...
US20100224380 PNEUMATIC HAMMER MECHANISM AND CONTROL METHOD  
A pneumatic hammer mechanism is disclosed. The hammer mechanism features: a flying mass, which is movable along an impact axis; an impact surface, which limits a movement of the flying mass along...
US20090277659 HAMMER DRILL  
A hammer drill for manually guided operation includes an electric drive motor, a tool spindle and a pneumatic hammer function. The hammer drill includes a pressure piston, a striker, and a beat...
US20060260830 Percussion device for a hand machine tool  
A hammer mechanism for a hand-guided machine tool, in particular for a rotary hammer, percussion hammer, or impact drill, has a drive piston (11), which is supported so that it is able to move...
US20100263894 Pneumatic striking mechanism and hand-held power tool  
A pneumatic striking mechanism includes a guide cylinder in which a freely moving piston and an exciter piston are arranged movably along a striking axis. The guide cylinder has a plastic. The...
US20080217040 Hand-held power tool with pneumatic percussion mechanism  
A hand-held power tool includes a percussion power tool includes a percussion piston (5) for applying blows to an anvil (8) axially displaceable in a guide tube (6) within limits defined by two,...
US20100288521 VIBRATION HAMMER  
A vibration hammer is provided, including a main body; a striking unit having a piston housing installed to he elevated by a hydraulic pressure controlling valve unit installed in the main body, a...
US20120211251 Pulse Generator  
A downhole tool comprises a pulse generator that can generate longitudinal pulses in a drill string. A poppet is longitudinally moved in and out of an orifice in the pulse generator reducing the...
US20070261871 Hand-held power tool with a chuck for receiving a percussion working tool  
A hand-held power tool includes a chuck (3) for receiving an axially displaceable, within limits, percussion working tool (2) and mounted on the tool work spindle (4) having a coaxial die (5)...
US20130153253 ROTARY HAMMER  
A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, a striker...
US20090025948 Percussion Device  
The invention relates to a method for controlling the operation of a pressure fluid operated percussion device and to a pressure fluid operated percussion device. The method comprises influencing...
US20090145620 Hand-held power tool with a chuck and an associated working tool  
A hand-held power tool for at least percussively driving a working tool (2) along a percussion axis (A) and including a chuck (4) for receiving the working tool (2) and including a receiving...
US20060000627 Device with inner and outer shells of a housing of a hand machine tool, and hand machine tool provided therewith  
A device for a hand machine tool equipped with a hammer mechanism has a housing having an inner shell and an outer shell, which the inner shell and the outer shell are of one piece with each other...

Matches 1 - 37 out of 37