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Patent Searching and Data


Matches 201 - 250 out of 9,753

Document Document Title
WO/2016/121462A1
In order to provide an impact work machine capable of increasing the impact force applied from a hammer to an anvil in a rotation direction, an impact work machine is provided with an electric motor, an anvil (27) supporting the work too...  
WO/2016/121460A1
To provide a screw tightening device (1) for reliably preventing co-rotation, this screw tightening device (1) comprises: a housing (2); a motor (3) equipped with a rotary shaft part (31) driven to rotate in the forward direction and rev...  
WO/2016/119988A1
The invention relates to a percussion mechanism device, in particular for an impact wrench (10), comprising a drivable driveshaft (12) which has at least one guide groove (14, 16); an output shaft (18); and a percussion unit (20) which c...  
WO/2016/120125A1
A tightening supervising system for a power screw driver (10) which is connected to a reaction support (11) and movable between a number of screw joints (33) on an object (34) to be assembled, wherein the system comprises a process contr...  
WO/2016/116250A1
The invention relates to a method for operating an electric motor of an electric tool having a receptacle for a tool, wherein, during a start-up phase, a rotational speed of the electric motor is increased, and wherein, after the start-u...  
WO/2016/106796A1
Provided is a speed change head, comprising a long gear rod (2), a short gear rod (12) and a gear speed change mechanism; a first end of the long gear rod is provided with a long rod inner hole (2-1) connectable to a tool bit, and a seco...  
WO/2016/106800A1
Disclosed is a quick-release rod, comprising a connecting sleeve rod (1); one end of the connecting sleeve rod (1) is provided with a sleeve rod connection portion (1-4) for installing a screwdriver handle, and the other end of the conne...  
WO/2016/091405A1
A torque delivering power tool (10) including: - a motor, - a housing (11-15) - an input shaft (16), which is driven by said motor, - an output shaft (17), which is rotationally connected to the input shaft. A sensor (20) is arranged to ...  
WO/2016/091404A1
A repositionable power wrench (10) is disclosed, which includes a housing (11), a motor (12) arranged inside said housing (11), a positioning system (13) arranged to monitor the position of the power wrench (10), and an output shaft (14)...  
WO/2016/091768A1
A power screw driver with a vacuum screw pick-up feature, comprising a housing (10) connected to a vacuum source, a motor driven screw bit (13), a movable nose piece (14) with a screw guiding nozzle (15), and a spring (18) arranged to bi...  
WO/2016/091403A1
A hand held power wrench including a housing (11) that houses a motor (12), an inertia body (13) that is driven by said motor, and an output shaft (14) for delivering a torque to joint and that extends outside of the housing. A first scr...  
WO/2016/086844A1
An electric rivet nut gun comprises a cover, a trigger, a circuit board, a power motor assembly, a rivet nut riveting system, a lead-screw system, a clutch control system and a planet gear deceleration system. The cover is disposed with ...  
WO/2016/084906A1
 Provided are a vane-type air motor which can start running more reliably even by means of low-pressure compressed air, and an air tool which is provided with the vane-type air motor. The vane-type air motor (12, 112, 212) is provide...  
WO/2016/084742A1
The present invention easily makes machining of a spindle possible even when a spindle with an integrated carrier section is used and limits increased cost. An impact wrench (1) is provided with: a brushless motor (8); a spindle (63) tha...  
WO/2016/067809A1
In order to provide an electric work machine capable of suppressing performance decrease due to an input voltage decrease, a control circuit 81 performs fixed-duty control of a motor 10 after soft-start control of the motor 10. The contr...  
WO/2016/065670A1
A driver bit push-pull-type mounting/unmounting tool, which comprises a housing (1). A ratcheting base (2) having a conveying channel (21) is provided at an extremity of the housing (1). A ratcheting head (3) having a driver bit mounting...  
WO/2016/062915A1
The object of the invention is method for tightening a high-pressure pipe connection to a correct tightness. The high-pressure pipe connection includes a connector body (14), a fastening means (16; 18) arranged on the pipe (20) to be con...  
WO/2016/059039A1
The present invention relates to the field of combination rotary tools, more in particular in the combination of screwdrivers and drills. In particular, the invention relates to a sleeve member having a hollow portion adapted to embrace ...  
WO/2016/055566A1
A pneumatic impulse wrench comprising a motor (12), a housing (10) with a pressure air inlet passage (22), an exhaust air outlet passage (23), and an air flow control valve (25) provided in the exhaust air outlet passage (23) and includi...  
WO/2016/052264A1
Provided is an impact tool having an increased tightening speed obtained without increasing the size of the tool body. An impact driver (1) has: a motor (3); a hammer (6) rotationally driven by the motor (3); and an anvil (7) having a fr...  
WO/2016/051032A1
The invention relates to a sleeper screw driving machine (1) with hydraulic transmission comprising at least one first sleeper screw driving head (2) and one second sleeper screw driving head (3), said first (2) and second (3) sleeper sc...  
WO/2016/050121A1
A rivet nut electric tool comprises an outer cover (37), a clutch control system, a gear transmission system, a stroke control system and a screw-rod nut assembly. The clutch control system, the gear transmission system, the stroke contr...  
WO/2016/042597A1
In an electric screwdriver management system according to the present invention, a plurality of slave stations capable of exchanging data with a master station are respectively connected to a plurality of electric screwdrivers. The slave...  
WO/2016/035157A1
Provided are: an impact fastening tool (1) which prevents a torque detecting means (3) from missing a signal and extends service life by adopting a fixed connector (5) that prevents the trouble of being instantaneously separated (bounced...  
WO/2016/034136A1
A control method for an electric tool. The control method comprises the following steps: detecting a parameter x that is used for expressing an output shaft load of a motor; and determining that the output shaft load is reduced to be equ...  
WO/2016/029505A1
Provided is an automobile part lithium battery impact wrench, the impact wrench comprising a cigarette lighter plug assembly (1), a lithium battery pack (2), and an impact wrench main body (4); the outer side of the impact wrench main bo...  
WO/2016/023886A1
Method for setting an expansion anchor by means of a power tool, having the steps of – exerting rotary impacts on an expansion anchor in order to expand an expansion sleeve in dependence on a first rotational speed until a tightening t...  
WO/2016/023883A1
The invention relates to a method for setting an expansion anchor by means of a power tool, comprising the following steps: applying rotational impacts to an expansion anchor in accordance with a first rotational speed until a rotational...  
WO/2016/017545A1
An impact tool is provided with sloped sections (50) between a wall section (30c1) provided between a pair of hammer cams (30a1, 30a2) along the circumferential direction of a through hole (30c) and a bottom section (30c2) provided at th...  
WO/2016/008321A1
Disclosed are a manual-automatic integration screwdriver and an accommodating base thereof, and a charging loop. The manual-automatic integration screwdriver comprises a shell and a screwdriver head (1) arranged in front of the shell, wh...  
WO/2016/004620A1
A wench comprising: a handle (11), where a first extremity of the handle (11) is provided with a columnar inner surface that serves as a first surface (111); a torque output component (12) arranged in the first surface (111) of the handl...  
WO/2016/000843A1
The invention relates to an impact wrench (100) comprising: - a housing (110); - a motor-driven driveshaft (120); - an output shaft (130) for securing a tool, and - a percussion mechanism (140) which couples the driveshaft (120) to the o...  
WO/2016/002539A1
In order to increase screw fastening speed and improve work efficiency, three first claws (30e) of a hammer (30) and three second claws (18d) of an anvil (18) are provided, thereby making it possible to set a striking interval to "a 120-...  
WO/2015/193022A1
The invention relates to a method for operating a power tool (10) for screwing a screw (61) into a workpiece (110). After the power tool is activated, an electric motor (20) is driven in order to screw the screw into the workpiece, where...  
WO/2015/182511A1
In order to suppress noise and vibration in a direction aligned with the axial direction of a rotating member and to reduce product size and improve workability, a pair of divided bodies (31) are provided between a spindle (26) and an an...  
WO/2015/181012A1
A pneumatic torque impulse delivering power tool (10) with an automatic power shut-off mechanism, the power tool (10) comprising a pneumatic motor (11); a drive member (16) which is driven to rotate by said pneumatic motor (11); an air s...  
WO/2015/181011A1
A power tool (10) comprising a motor and a pulse unit (11) intermittently driving an output shaft (21), wherein the pulse unit (11) comprises a cylinder (16) with an inner cavity (32) arranged to withhold a hydraulic fluid, and an anvil ...  
WO/2015/157165A3
An insertion tool is used to insert a threaded coil insert into a threaded opening of a support structure or workpiece. The tool includes a rotatable mandrel body having an axial longitudinal passage and a projection slot. A plunger is d...  
WO/2015/182512A1
In order to make assembly of an impact driver more efficient while allowing sufficient mitigation of vibrations and reduction of weight to be achieved, three each of first engagement pawls (30e) and second engagement pawls (18d) for gene...  
WO/2015/182513A1
In order to suppress anvil wear and to improve longevity, a steel ball (40) having greater hardness than a spindle (26) or an anvil (18) is provided on the anvil (18) side of the spindle (26), a needle roller (41) having greater hardness...  
WO/2015/095425A3
The present invention seeks to protect Applicant's HYTORC® Z® System which involves: tools having multi-speed / multi-torque modes with torque multiplication and vibration mechanisms without use of external reaction abutments; a force ...  
WO/2015/169693A1
The invention relates to a screw system for carrying out screwing operations, in particular automatically, with a screwing tool and a feed device having a pneumatic feed cylinder by means of which the screwing tool is movable in a feed d...  
WO/2015/164548A1
Drive plates of a hydraulic torque wrench are stacked and mating combined in a cartridge for extended surface contact within the ratchet teeth width of the joints along the piston force transmission path into the drive plates and into th...  
WO/2015/127408A3
According to a first aspect of the invention we provide an automatic reaction pawl- assembly ("ARPA") which includes; a shaft assembly; a pawl fixed rotatably relative to the shaft assembly; and a torsion lever torsionally coupled with t...  
WO/2015/156170A1
Provided is a tightening tool used to tighten a nut on a shear bolt, the tightening tool being a shear wrench which cuts a chip to ensure that a specific amount of tightening torque is applied to the nut, the tightening tool using highly...  
WO/2015/152728A1
The invention relates to an interface device (100) for tensioning or relaxing a bolt (10) in a nut-and-bolt assembly (10,20), wherein the bolt (10) extends in an axial direction. The interface device (100) comprises a frame (150) having ...  
WO/2015/138204A1
The disclosed concrete anchor driver tool is coupled to a rotary hammer drill to install a concrete anchor. The tool includes a rod having multi-faceted bolt head end, such as a hexagonal bolt head end, and a socket having a multi-facete...  
WO/2015/133082A1
An impact rotary tool (10) comprises a driving source (11) that is supplied with power from a battery pack (V) and that rotates a hammer (14) via a drive shaft (13), and a controlling unit (50) that controls the driving source (11). The ...  
WO/2015/127408A2
According to a first aspect of the invention we provide an automatic reaction pawl- assembly ("ARPA") which includes; a shaft assembly; a pawl fixed rotatably relative to the shaft assembly; and a torsion lever torsionally coupled with t...  
WO/2015/126435A1
According to a first aspect of the invention we provide an automatic reaction pawl assembly ("ARPA") which includes: a shaft assembly; a pawl fixed rotatably relative to the shaft assembly; and a torsion lever torsionally coupled with th...  

Matches 201 - 250 out of 9,753