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WO/2020/120874A1 |
This hydraulic percussion apparatus (2) comprises: a guidance body (3); a striking piston (6) mounted to slide inside the guidance body; a sealing device (12) mounted in an annular retention groove (5) provided on the guidance body so as...
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WO/2020/110539A1 |
The objective of the present invention is to reduce, as far as possible, the number of components in a power transmission system provided in an impacting work machine having a plurality of operating modes. A hammer drill 1A is provided w...
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WO/2020/105447A1 |
A fluid pressure striking device (1): has a tubular cylinder (2), a piston (3) that is fit inside the cylinder (2) and that can slide in the axial direction of the cylinder (2), and a rod-shaped chisel (4) that is inserted so that a port...
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WO/2020/106689A1 |
A dust collector can be used with a hand-held power tool. The dust collector includes a housing, a telescoping suction pipe coupled to the housing, and a suction fan positioned within the housing and operable to generate a vacuum in the ...
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WO/2020/081620A1 |
A fastener driving tool with a working cylinder and a piston, the piston outer surface having a lubricant-saturated foam material that stores and dispenses lubricant into the piston-cylinder wall interface, thereby increasing the perform...
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WO/2020/074058A1 |
The invention relates to a pneumatic chipping hammer, in particular for comminuting polycrystalline silicon, comprising: - a housing with a double-action pneumatic cylinder, in which a piston with a chipping hammer is arranged so as to b...
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WO/2020/072511A1 |
A chuck (10) includes a jaw guide (64), interleaving jaws (66), and an inclined engagement surface (84). The jaw guide defines a longitudinal axis (24) and includes jaw channels (65) circumferentially distributed about the axis. The jaws...
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WO/2020/069917A1 |
The invention relates to an eccentric drive (1) for a hand-held machine tool (2), having a motor (5), an eccentric gear (6), a linear guide (9), a slide (8), and a connecting rod (7) which has a head (17) suspended on the slide (8) and a...
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WO/2020/061196A1 |
A negative stiffness shell has a convex first position, but can transition or snap to a concave second position under a force applied to the exterior surface of the shell in the convex first position. During the transition, the shell exh...
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WO/2020/058565A1 |
A linear electric machine comprises a mover (101) and a stator (105). The mover comprises permanent magnets, and the stator comprises a ferromagnetic core-structure and windings for conducting electric currents. The linear electric machi...
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WO/2020/056654A1 |
An impact mechanism (104) comprises: a hammering pipe (10) having at least one vent hole (11) on a wall thereof; a clutch component (20) configured to rotate with the hammering pipe (10); a driving gear (30) configured to drive the hamme...
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WO/2020/051891A1 |
Disclosed is a multi-functional hardware hammer, comprising a first hammer head (1), a second hammer head (2), a handle (3) and a guide column (4), wherein the first hammer head is fixedly connected to one end of the handle, and the seco...
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WO/2020/051880A1 |
Disclosed is a double-headed hardware hammer, belonging to the technical field of hardware tools. The double-headed hardware hammer comprises a first hammerhead (1), a second hammerhead (2), a handle (3) and an elastic piece (4). The fir...
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WO/2020/055205A1 |
The present invention provides an emergency window breaking device that can break a window by operating a main switch or individually installed operation buttons to operate a motor, thus allowing people weakened by a sudden accident and ...
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WO/2020/048529A1 |
A handheld power tool, and a control method and operation method therefor. The handheld power tool comprises: a machine casing; a motor (12a); a chuck mechanism, comprising a body (151a), a plurality of clamping jaws (152a), and an adjus...
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WO/2020/043752A1 |
Tool for mounting a seal in a groove or gap on a wind turbine A tool (20) for mounting a seal (10) in a groove (13) or gap (9) on a wind turbine (2), the tool (20) comprising: a roller (27) configured for rolling along the seal (10) and ...
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WO/2020/038728A1 |
The invention relates to a switching device for a hammer drill, having a manually actuatable switching element. It is proposed that the switching element is designed for actuating an operational mode switching unit and a switching unit f...
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WO/2020/030468A1 |
The machine tool (1) of the invention comprises a tool holder (2), a motor (4) for driving the tool holder (2) such that the tool holder (2) rotates and/or performs percussions, and a magnetic field sensor (14) for sensing a magnetic fie...
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WO/2020/032323A1 |
The present invention relates to a glass breaking device for emergency escape, the device being configured to comprise: a breaking means for breaking tempered glass by means of light contact; an extension bar coupled to one side of the b...
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WO/2020/031888A1 |
The purpose of the present invention is to provide an electric tool which can reduce vibration transmitted to a worker using the electric tool without increasing the number of parts of the electric tool. A hammer drill comprises: a motor...
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WO/2020/031075A1 |
A percussion device including an input side and an output side, the input side is configured to be rotationally driven and the output side is rotationally driven by the input side via a drive transmitter/drive transmitter pathway combina...
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WO/2020/024762A1 |
An automated hammering-mode locking device for an electric hammering tool. A switching knob (17) is provided on an upper cover (24). A lower end surface of the switching knob (17) has a height difference. A switch box (19) is mounted on ...
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WO/2020/020667A1 |
The invention relates to a tool holder for a hand-held machine tool, in particular for a demolition breaker or hammer drill, comprising a holder element for holding a tool and a locking element which is mounted on the holder element in a...
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WO/2020/017945A1 |
The invention relates to a hammer for stapling fences and other similar surfaces, of the type consisting of a unitary solid metal body including a central recess for receiving a handle, characterised in that it comprises a first head def...
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WO/2020/011595A1 |
A hand-held power tool has a monostable operating button (6) which has a stable switch position and a pressed switch position. A pawl (32) is provided, which is pivotable in a pivot direction (34) between a releasing position and a locki...
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WO/2019/238784A1 |
A drill holder (100) comprising: a base (108); an elongate support member (110) extending substantially perpendicularly from the base (108); and an arm (112) mounted to the support member (110); wherein the arm (112) extends substantiall...
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WO/2019/233380A1 |
Disclosed is a power tool (100), comprising: a power assembly (12) comprising a motor (121), the motor (121) comprising a motor shaft (121a) rotating about a motor axis; an output assembly (14) comprising an output shaft (141); a transmi...
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WO/2019/233485A1 |
The present invention relates to the technical field of hand-held tools. Disclosed is a hand-held power tool, comprising: a housing; a motor; a chuck assembly; and a transmission mechanism having a drive shaft. The chuck assembly compris...
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WO/2019/225295A1 |
Provided is a boring tool that has a simple configuration, is low-cost, and is easily capable of forming a plurality of bore holes of uniform depth. The tool comprises a settings operation acceptance unit for accepting a settings operati...
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WO/2019/223670A1 |
The present invention solves the technical problem in which existing gripper assemblies have complicated structures, a small clamping range, a poor clamping effect and a high cost, and provided thereby are a gripper assembly and a drill ...
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WO/2019/214950A1 |
The invention relates to a drilling tool, in particular a rock drill, which extends along a longitudinal axis (12) and comprises a drill head (24), an insertion end (16), a main body (32), a sleeve element (34), a conveying portion (22) ...
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WO/2013/116680A9 |
A rotary power tool includes a housing, a tool element defining a working axis, and a handle coupled to the housing. The handle is movable along a first axis parallel with the working axis between a retracted position and an extended pos...
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WO/2019/206022A1 |
Provided is an electric tool. The electric tool comprises: a clamping device (100), used for clamping or releasing a drilling bit; an impact device (200), comprising an impact part (210) driven to impact the drilling bit and a power supp...
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WO/2019/195508A1 |
A rotary hammer is adapted to impart axial impacts to a tool bit. The rotary hammer comprises a housing, a motor supported by the housing, a gearcase, and a spindle housed in the gearcase and coupled to the motor for receiving torque fro...
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WO/2019/182443A1 |
The present invention relates to a glass breaking device (1, 301), comprising a housing (10, 1) and a glass breaking element (20). The glass breaking element (20) may be at least partially arranged in the housing (10, 1) and comprises a ...
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WO/2019/183491A1 |
Embodiments of a device for forming incisions and extracting osseous tissue are disclosed. The device includes a body defining a channel. A blade is oriented in linear sliding engagement within the channel of the body. The device include...
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WO/2019/179368A1 |
Disclosed are a tool clamping system (100) and an electric tool having same. The tool clamping system (100) comprises: a base body (110) internally provided with an axially penetrating mounting hole (111); a round shank drill bit clampin...
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WO/2019/167767A1 |
Provided is a hammer (1) for shaping processing of a silicon mass, the hammer being a hammer for crushing a silicon mass and shaping processing the silicon mass. The hammer comprises: a handle (10) made of resin; and a hammer head (20) t...
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WO/2019/164421A1 |
The present pneumatic percussive tool comprises a pneumatic cylinder housing having apertures on its upper and lower end faces for allowing a housing cavity to communicate with the atmosphere, and inside of said housing is disposed a hol...
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WO/2019/158849A1 |
The percussion apparatus comprises a striking piston and a control device (15) configured to vary a striking stroke of the striking piston, the control device (15) comprising a control cylinder (17), a control slide (16) mounted to move ...
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WO/2019/158834A1 |
The rotary-percussive hydraulic drill (2) comprises a body (3); a fitting (15); a striking piston (5) configured to strike the fitting (15); an impact piston (13) having a front face (18) facing the fitting (15) and a rear face (19) faci...
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WO/2019/161326A1 |
An impact tool includes a housing, an electric motor supported in the housing, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece capable of developing at least...
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WO/2019/157152A1 |
A device for treating sinus congestion. The device includes a handle and a head. The handle has a longitudinal axis extending from a first end to a second end. The head is located at the first end of the handle. The head includes a longi...
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WO/2019/146570A1 |
A work machine (2) including a breaker (8). Sensors (16-18) detect the orientation of the work machine (2). A pilot valve (35) controls the operation of the breaker (8). A controller (26) controls the pilot valve (35). The controller (26...
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WO/2019/145156A1 |
The invention relates to a method for controlling a hand power tool (100), particularly an impact driver. The impact driver comprises a motor (180) having an input spindle (120) and an output spindle (130), wherein the motor sets the inp...
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WO/2019/147919A1 |
A percussion tool comprises a housing, an electric motor positioned within the housing, a percussion mechanism driven by the electric motor and including a striker supported for reciprocation in the housing, a battery pack removably coup...
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WO/2019/135398A1 |
In the present invention, a blade body of an extruding/cutting tool is attached to an impact tool, and deformation of the blade body is suppressed. A blade body mounting device (10) attaches, to an impact tool (900), a blade body (810) o...
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WO/2019/134810A1 |
The invention proceeds from a power tool device, in particular for portable power tools, having at least one signal switching unit (12) that has at least one signal switching element (14) that is actuable at least in order to activate a ...
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WO/2019/130982A1 |
Provided is a striking work machine having high workability and having a cylinder cover which can be easily attached/detached and which is prevented from being accidentally displaced or falling. A striking work machine (10) is provided w...
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WO/2019/124179A1 |
[Problem] To make it possible to easily and inexpensively prevent clogging of a filter. [Solution] A power tool dust collector 40, wherein a cylindrical suction port 58 through which a distal-end tool of a hammer drill 1 can pass is prov...
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