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Patent Searching and Data


Matches 651 - 700 out of 11,524

Document Document Title
WO/2010/094571A1
The invention relates to a taphole drill comprising a carriage (1), which can be moved from the rest position to a pre-positioned working position and vice versa by means of a lifting device, and a drill and impact hammer (6) that can be...  
WO/2010/089710A2
An implement for loosening stuck connection elements, comprising a striker hammer (2) with a connecting portion (3) for connection to a percussion tool (4) at one end, and a striking surface (6) for imparting an impulsive stress (F) at t...  
WO/2010/087206A1
An electric boring tool(1) comprises an electric motor (40), a switch trigger(61), a tip tool (20) driven by driving force of the electric motor(40), a power transmission mechanism (14) for transmitting the driving force of the electric ...  
WO/2010/087351A1
The invention provides a reciprocating electric tool (1) having a brushless motor (3), a plunger (52), and control means (6). The plunger (52) is driven by the brushless motor and reciprocating between two dead centers. A end bit (7) is ...  
WO/2010/086270A1
The invention relates to a tool holder for a chipping hammer, having a tool receptacle (4) for receiving a tool (2) and a tool securing device for securing the tool (2) in the tool receptacle (4). The tool securing device according to th...  
WO/2010/082850A1
A compressible fluid powered device includes a dose chamber. An inlet supplies pressurised fluid to the dose chamber. An outlet for releases pressurised fluid from the dose chamber. A moveable divider divides the dose chamber into a prim...  
WO/2010/082851A1
A gas powered device includes a vaporisation system. The vaporisation system includes a conduit connected at one end, or configured to connect at one end, to a regulator for a high pressure fluid source. The other end of the conduit supp...  
WO/2010/082871A1
Damping device for a percussion device with a striking direction (R), including a damping piston (8) for action in an axial direction against a tool to be driven of the percussion device, wherein the damping piston (8) has a piston porti...  
WO/2010/082849A1
A device includes an actuation system with a dose chamber including an inlet for high pressure fluid. A working chamber extends away from the dose chamber. An annular wall separates a portion of the working chamber from the dose chamber ...  
WO/2010/077199A1
An accumulator membrane unit (2) for inclusion into an accumulator chamber (6) in an accumulator (1) for storing hydraulic energy under pressure. The accumulator membrane unit includes membrane elements (3) that are sealingly joined at t...  
WO/2010/074006A1
A cooling technique for an electric tool, enabling the motor and a high temperature region of the tool to be cooled with improved cooling performance. An electric tool is provided with a tool body (103) and a motor (111) contained in the...  
WO/2010/072433A1
The invention relates to a hand-held machine tool, particularly a hammer drill, comprising a work spindle (12a-h), a hand-held machine tool housing (86a-h) and an intermediate shaft (16a-h) which is arranged in parallel to the work spind...  
WO/2010/072931A1
The invention relates to a tool that includes a mechanism for absorbing the energy transmitted to the gripping means, said mechanism including four main elements, i.e. a carrier body (1), a handle (2), an elastic return means (3) and an ...  
WO/2010/069105A1
A lock-on switch system for hand drill comprises: a switch disposed in a switch housing(3) for controlling the operation of the drill; a trigger(2) which is adapted to be movable between a home position where the trigger(2) turns off the...  
WO/2010/070977A1
A technique for a working tool provided with a dust suction device for collecting powder dust produced during working, the technique improving operability of the working tool. A working tool for performing predetermined working using a ...  
WO/2010/069647A1
The invention relates to a hand tool, in particular a hammer drill, a paving breaker or a saw, in particular a saber saw. The hand tool has a lift generating element and a drive, wherein the drive is designed to move the lift generating ...  
WO/2010/071054A1
Disclosed is a working tool in which a tip tool with a longitudinal shaft is linearly moved, wherein a motor and other tool constituting members are effectively cooled. In order to cool the inside of a motor-driven hammer (101) comprisin...  
WO/2010/058071A1
The invention relates to a rock drilling machine (5) equipped with an axial bearing (18) having at least one axial piston (39a, 39b) for setting the axial position of a drill shank (7) and for damping stress pulses returning from the roc...  
WO/2010/058072A1
The invention relates to a rock drilling machine and an axial bearing module. The rock drilling machine (5) is equipped with an axial bearing (18) having at least one axial piston (19, 20) for axially positioning a drill shank (7) and fo...  
WO/2010/058073A1
The invention relates to a rock drilling machine (5) equipped with an axial bearing (18) having at least one axial piston (19, 20) for setting the axial position of a drill shank (7) and for damping stress pulses returning from the rock....  
WO/2010/048889A1
A speed changing tool(9) has a motor (2), an output shaft (6), a gear transmission mechanism (4) connected with motor (2) and output shaft (6) and a control system (8). The control system (8) includes a control unit (3) and a driving dev...  
WO/2010/017469A3
A fastening device that drives one or more fasteners into a workpiece generally includes a tool housing and a multistage solenoid contained in the tool housing. The multistage solenoid includes an armature member that travels through at ...  
WO/2010/040491A1
The invention relates to an implement, having a drive (1), a drive element (6, 6a, 6b) that may be driven by the drive (1) and that is disposed in an axially movable manner, a motion element (8, 8a, 15) that is disposed in an axially mov...  
WO/2010/037905A1
A rock drilling rig (1) is provided with a rock drilling machine (6) comprising an impact device (4), a feed device (9) and a tool (7) with a drill bit (8) at the end thereof for breaking rock. The impact device is arranged to cause a st...  
WO/2010/035395A1
An electric tool provided with a dust suction function having excellent dust suction efficiency achieved by using a simple structure for sucking dust without leaving any residue in a hose. A fan shaft (15) rotating together with an outpu...  
WO/2010/036475A1
A tool for aligning a wind turbine tower fastener includes a shaft having a first end and a second end. A first stop is disposed on the shaft proximate a first end of the shaft and a second stop is disposed on the shaft between the first...  
WO/2010/032375A1
An attachment for a rotary tool provides the rotary tool with a dust suction function operated by power reliably supplied from the rotary tool independent of the attitude of a contained motor. A case (32) mounted to a housing (2) is prov...  
WO/2010/029687A1
A dust suction device for an electric tool, wherein the dust suction device can provide an existing electric tool with a dust suction function, has excellent versatility, and is configured such that the electric tool and the dust suction...  
WO/2010/028874A1
The invention relates to a coupling bolt (50, 150) of a displaceable articulation device, in particular a drive articulation of a piston unit (32), comprising a longitudinal extension (57, 157) and a receiving bore (74, 174) extending es...  
WO/2010/025595A1
A protective device for a machine tool (12a), in particular a circular saw, includes a protective hood (14a-k) which can be moved between at least one working position and a protecting position and a return-momentum reducing unit (16a-k)...  
WO/2010/025353A1
A test bench (10) for testing a hammer (196) and hammer tool (198) comprising: a bench frame (12); a load cell assembly (16) mounted on the bench frame for absorbing the impact delivered by the hammer; and a movable mounting deck (26) fo...  
WO/2009/148375A8
The invention relates to an arrangement designed to be inserted in a cavity (19) in a front part (14) of a rock drilling machine with a shank adapter (16). The arrangement comprises a cartridge (1) with a flushing head (2) and a guide (3...  
WO/2010/017469A2
A fastening device that drives one or more fasteners into a workpiece generally includes a tool housing and a multistage solenoid contained in the tool housing. The multistage solenoid includes an armature member that travels through at ...  
WO/2010/016479A1
Provided is a silicon crushing apparatus for transmitting an energy to be applied to a piston (58), highly efficiently to a silicon ingot (104) by compressed air. In order to transmit the energy highly efficiently to the silicon ingot (...  
WO/2010/012453A1
A percussion mechanism has a motor (1), a drive piston (7) which can be moved to and fro in a guide cylinder (8) by the motor, and a percussion piston (9). A coupling device (5, 6) is active between the drive piston (7) and the percussio...  
WO/2010/012390A1
The invention relates to an impact device, having an internal combustion engine (1) and an impact mechanism (2) driven by the internal combustion engine (1). An engine lubricating device (10, 11, 12, 13) supplies lubricant to the interna...  
WO/2010/012521A1
The invention relates to an impact device, in particular for a drill and/or chiseling hammer (12), comprising an impaction unit (14; 14a) and a transmission unit (18; 18a) that comprises at least one oscillating arm (20, 22; 20a, 22a) an...  
WO/2010/012520A1
The invention relates to an impact device, in particular for a drill and/or chiseling hammer (12), comprising an impaction unit (14; 14a) comprising a piston unit (16, 16a), a transmission unit (18; 18a) that comprises at least one oscil...  
WO/2009/129611A3
An impact mechanism for use with a drive motor comprises a drive engaging member and a tool bit retaining member operatively inter-connected with the drive engaging member. The tool bit retaining member has a main body portion, and an an...  
WO/2010/003634A1
The invention relates to a hammer and/or hammer drill acting as a breaker, having a drive (1), a hammer mechanism (4) driven by the drive (1), and a crank device (3) disposed in the force flow between the drive (1) and the hammer mechani...  
WO/2010/005352A1
A rig for a core-drilling device for core drilling a concrete wall (1) includes a base structure (10) adapted to be anchored to a floor, ground, or other bed when the device is ready for operation, and a vertical column (3) having a top ...  
WO/2009/132079A3
A drill rod includes a first end section, a mid-section, wherein the first end section and the mid-section are connected and wherein the first end section is manufactured using different steel than is used for the mid-section. Such a con...  
WO/2010/000341A1
The invention relates to a multi-gear transmission device (34), particularly a two-gear transmission device, for transferring a drive torque from an input side to an output side, comprising at least two selectable gear ratios. The multi-...  
WO/2009/156004A1
The invention relates to a power tool having at least one tool drive shaft (23, 323) for rotationally driving a tool insert (17, 317) changeably received in a tool receptacle of a tool holder (16, 316) and having at least one drive devic...  
WO/2009/156005A1
The invention relates to a method for operating power tool, particularly an electrically driven hand power tool, having at least one tool drive shaft (23, 323, 623) for directly or indirectly rotationally driving a tool insert. The tool ...  
WO/2009/099654A3
A battering apparatus including a battering element, an air source, a sensing device, a triggering mechanism, and a battering element release mechanism. Engagement of the sensing device activates the triggering mechanism which in turn ac...  
WO/2009/156006A1
The invention relates to a clutch device (44, 45, 344, 345, 544, 546) having a central clutch shaft (46, 346, 546), comprising at least two clutch means (51a, 51b, 351a, 351b, 551a, 551b) transmitting a maximum limit torque between an in...  
WO/2009/157599A1
A hydraulic breaker assembly including a head cap, a cylinder, and a front head, which are mounted in a casing, wherein corresponding faces of the front head and the cylinder are connected by connecting pins, wherein the cylinder and the...  
WO/2009/155660A1
This invention relates to a power tool, an accessory and a power tool and accessory system. The power tool includes a tool body and a rotatable driven member extending forward from the tool body for gripping and rotating a working elemen...  
WO/2009/154171A1
Provided is a technique effective for achieving rational disposition of a vibration absorber and improved vibration suppression performance in a work tool equipped with the vibration absorber. A hammer drill (101) as the work tool perta...  

Matches 651 - 700 out of 11,524