Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 11,477

Document Document Title
WO/2015/029660A1
Provided is a boring tool which enables the front end tool to be easily pulled out of a member being worked. A hammer drill (1) is provided with a housing (2), a brushless motor (3), a motion-converting mechanism (4), and an output secti...  
WO/2015/017083A1
A rotary power tool includes a housing, a spindle defining a working axis, and a motor supported by the housing. The motor is operable to drive the spindle. The rotary power tool also includes a handle movably coupled to the housing and ...  
WO/2015/016702A1
Hammers finished with rattan handle have characteristic of lightweight and flexibility to increase strength to weight ratio and increases the kinetic energy delivered to the target (ie: nails, concretes, bricks, stone, etc). Meanwhile, t...  
WO/2014/068500A3
The invention provides a control rod (6) for a drill hammer (1) comprising a flow passage (8) extending from an inlet at a back head end (2) to an outlet adjacent an opposite, inner end which is slidably locatable inside a bore (16) of a...  
WO/2015/000129A1
Disclosed are an impact device and a machine tool for impact operation, the impact device comprising: a power drive output portion, an impact portion, an impact transfer portion and a guide portion; the power drive output portion provide...  
WO/2015/002606A1
A handheld mountable log splitter kit comprising a penetration device, a ram, a tube, a handlebar and an anvil. Wherein the ram is tightly fitted and telescopically slidably arranged within the tube. The tube is having a removable stop f...  
WO/2015/000175A1
A hammer and a manufacturing method therefor. The hammer comprises a handle and a hammerhead at one end of the handle. The handle comprises a handle main body (4). A metal sheath (1) is disposed at a portion close to the hammerhead, of t...  
WO/2014/205542A1
A self-adjusting hand-held ergonomic holder for jackhammer for manual use by an operator in chipping a hardened ground surface along a continuously variable chipping strike angle. The holder includes a rigid main frame with an upper load...  
WO/2014/209197A1
A device in respect of a hydraulic rock drilling machine (1) with a machine housing (2,3,11), which encloses a hydraulic percussion device, a rotation mechanism (4) for rotation driving a shank adapter (1) and a guiding device (6) for th...  
WO/2014/146512A3
An electric power tool comprising a motor (1), a transmission (2), a tool magazine (3) and a tool chuck (4); the motor (1) is connected to an input member of the transmission (2); the motor (1) and the transmission (2) are provided in a ...  
WO/2014/201955A1
Disclosed is an exchangeable-locking drill chuck integrating a drill for building engineering with a straight shank drill, comprising a gripping jaw locking mechanism of the straight shank drill, a locking mechanism of the drill for buil...  
WO/2014/204749A1
A bearing assembly for a rock drill includes a housing and a bearing. The housing includes a cylindrical tail portion and a head portion having a multi-sided outer surface configured to inhibit a rotation of the bearing assembly relative...  
WO/2014/198515A1
This control method comprises the steps consisting in providing a control device (16) designed to regulate a power supply parameter of a percussion tool (2), providing a control unit (17) designed to apply control setpoint to the control...  
WO/2014/198743A1
The handheld power tool according to the invention has a tool holder (2), for receiving a tool, and a drive, for driving the tool inserted into the tool holder (2). The drive is arranged in a tool housing (17). A handle (8) is provided f...  
WO/2014/198514A1
This control method involves the steps consisting in providing a control device (16) designed to regulate the impact energy of the impulse piston (4) of a percussion tool (2), providing a control unit (17) designed to apply a control set...  
WO/2014/197201A2
A handheld pneumatic tool includes an air supply port and a pressure regulator. The pressure regulator is configured to regulate the pressurized air and discharge regulated, pressurized air at a substantially constant pressure.  
WO/2014/197890A1
A tire service hammer includes a handle portion and a head portion having a sledge portion, a wedge portion, and a body portion connecting the sledge portion and the wedge portion, wherein the wedge portion includes a bead breaking wedge...  
WO/2014/192477A1
Provided is a hammering tool capable of reducing vibration and noise and improving component durability. This hammering tool is provided with: a housing; a motor positioned inside the housing; an operation conversion mechanism for conver...  
WO/2014/160003A3
A fastener holding system for a power tool is configured to securely clamp a fastener while enabling the fastener holding system to pivot out of the way of the power tool to enable the fastener to be driven completely into a surface. The...  
WO/2014/188459A1
A percussion tool (1) is described, for a demolishing hammer for perforations, demolitions or excavations, comprising an elongated body having: a first portion (3) aimed to be connected with the demolishing hammer and made of a first mat...  
WO/2014/177124A1
The invention relates to a pneumatic needling device for the local surface treatment, more particularly fastening, of components, comprising a first and a second needle (2) that can move in a needle direction; a first and a second piston...  
WO/2014/174263A1
A wedge mechanism for a separating tool incorporating a wedge that moves axially in the tool to lift a heavy item, or to separate two items that are forced together. The wedge has a body with an axis extending between a trailing end and ...  
WO/2014/171490A1
[Problem] To provide a handle that is effective at achieving both vibration resistance and usability. [Solution] A handle (100) attached to a tool body (151) of a power tool (150) has: a grip portion (120); a connecting portion (110) tha...  
WO/2014/171489A1
[Problem] The present invention provides an impact tool improved in terms of a battery mounting technique. [Solution] An impact tool provided with a motor (110), a tool body (101), a handle (109), and a battery mounting unit (160A). The ...  
WO/2014/168114A1
[Problem] To provide technology capable of reasonably supplying current to a dust collecting device for a power tool on which the dust collecting device can be mounted. [Solution] A hammer drill (100) comprises an electric motor (110), a...  
WO/2014/160003A2
A fastener holding system for a power tool is configured to securely clamp a fastener while enabling the fastener holding system to pivot out of the way of the power tool to enable the fastener to be driven completely into a surface. The...  
WO/2014/158703A1
A guard assembly (100) for a tool is provided. The guard assembly (100) has a body (102) with a first open end (104), a second open end (106) and a mid portion (108) between the first open end (104) and the second open end (106). The bod...  
WO/2014/156471A1
Provided is an electric tool which is capable of applying rotational force or rectilinear striking force to the front end tool without applying rotational striking force to the front end tool. An electric tool (10) is configured so that ...  
WO/2014/155943A1
An impact tool capable of preventing an impact force from being applied to an intermediate element in a state where the intermediate element and a tool bit are apart from each other is provided. An impact tool 10 which transmits an impac...  
WO/2014/160190A1
In one embodiment, a power hand tool includes a housing containing a working shaft, and a vibration isolation assembly, the vibration isolation assembly including at least one base member including a base portion fixed with respect to th...  
WO/2014/150473A1
A hydraulic hammer (20) is disclosed having a piston (80) and an accumulator membrane (90) disposed external and co-axial to the piston. Additionally, a sleeve (100) is disposed between the piston and accumulator membrane, wherein the sl...  
WO/2014/150521A1
An impact system (70) for a hydraulic hammer (20) is disclosed. The impact system includes a piston (80), a sleeve (100) disposed co¬ axial with the piston, and an accumulator membrane (90) disposed external to the sleeve. A first seal ...  
WO/2014/142112A1
[Problem] To provide an improved technique pertaining to the rational placement of constituent elements of an impact tool. [Solution] There is provided a hammer drill (100) for driving a hammer bit (119) detachably mounted on the distal ...  
WO/2014/135031A1
A dust-collecting percussion drill provided with a dust cover and an elastic element; the dust cover is provided with a dust storing bag and a dust sealing ring for sealing the dust expelled by a drill bit in a cavity formed by an enclos...  
WO/2014/036573A3
This invention relates to a rock drill guide comprising: a sleeve (20), having an internal chamber (30), adapted to receive a rock drill (40) therein, the sleeve (20) terminating in an operative end (50) and a drilling end (60), the slee...  
WO/2013/053002A8
A hand-held power tool powered by a gas combustion mechanism comprising a combustion chamber, a second chamber within a cylinder having aft and fore ends. The combustion chamber in fluid communication with the second chamber, and a first...  
WO/2014/126476A1
A fluid pressure driven, high frequency percussion hammer for drilling in hard formations is presented. The hammer piston (20) of the percussion hammer has a relatively large and longitudinally extending bore (41) that provides minimal f...  
WO/2014/122101A1
The invention relates to a machine tool with a pneumatic striking mechanism, having a striker (13) which is guided on a running surface (19) along a working axis. An electrodynamic drive is coupled to the striker (13). A pneumatic chambe...  
WO/2014/121728A1
A power tool, comprising a housing (2), a motor accommodated within the housing, and an output shaft (6) driven by the motor via a transmission mechanism; the transmission mechanism comprises a motion converter; the motion converter driv...  
WO/2014/119759A1
[Problem] To provide a technology that contributes to reducing the weight of a hammering tool powered by a plurality of batteries. [Solution] A hammering tool that has the following: a motor (110) for driving a tool bit (119); a tool bod...  
WO/2014/116174A1
Herein a bolt (2) comprising an elongated body (4) with a central axis (C) is described. The elongated body (4) is in a first end (6) provided with a first thread (8) and in a second end (10) with a second thread (12). An intermediate pa...  
WO/2014/116400A1
A hammer assembly (10) including a hammer housing (12) and a work tool (16) movably supported in the hammer housing is provided. A gas chamber (38) is defined in the hammer housing (12) and contains a compressible gas. An accumulator ass...  
WO/2014/113212A1
A gas fastening device comprising an internal combustion engine with a combustion chamber (10) arranged between, on the one side, an upstream compression piston (2, 21) and, on the other side, a downstream propulsion piston (3, 31), inta...  
WO/2014/013466A3
An apparatus (1) with a reciprocating component (3) fitted with composite cushioning slides (13) on an exterior surface (8, 9). The reciprocating component (3) is movable along a reciprocation path and the composite cushioning slide (13)...  
WO/2014/095936A1
Impact machine (100, 200) which is adapted to perform a hammering operation on a surface or an object to be worked upon. In particular, a vibration reduction arrangement (140, 240) is attached to the housing (105, 205, 305, 405) and comp...  
WO/2014/090041A1
A transmission switching device of an electric hammer comprises an intermediate shaft (4) provided with an intermediate shaft gear (5), a transmission gear (10), an oscillating bar bearing (8) and an intermediate shaft sleeve (7). The tr...  
WO/2014/090840A1
The invention relates to a tool holder (8) for a hand-held power tool (1), comprising a receiving portion (26) that extends about an axis (5) for the purpose of receiving an insertion end (7) of a tool (4). The receiving portion (26) is ...  
WO/2014/090786A1
The tool holder (8) for a hand-held machine tool (1), in particular a hammer drill (1), has a tube (19; 87), the inner surface (52, 53; 86) of which defines a receiving space (26; 85), which is coaxial with respect to a working axis (5),...  
WO/2014/088127A1
The present invention relates to a handpiece having a direct cooling type slimmed driving part, comprising: an outer housing provided in a rod shape so as to be graspable by the hand; a cylindrical core inserted into the outer housing of...  
WO/2014/086655A1
A method for manufacturing of a wear resistant component comprising the steps: providing a form defining at least a portion of the shape of the component; providing a powder mixture comprising 30 – 70 vol% of a powder of tungsten carbi...  

Matches 301 - 350 out of 11,477