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WO/2021/073960A1 |
A control method for a hand-held power tool comprises the steps: of driving a striking mechanism with an electric motor, wherein an exciter piston of the pneumatic striking mechanism is driven periodically by the electric motor and a str...
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WO/2021/055535A1 |
An impact tool and a hammer. The impact tool includes a housing, a motor supported within the housing, an anvil extending from the housing, and a drive assembly configured to convert a continuous rotational input from the motor to interm...
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WO/2021/043888A1 |
The invention relates to a hand-held power tool, in particular a hammer drill or a combi-hammer, comprising: a tool holder for retaining a striking and rotating tool on a working axis; an electric motor, which is coupled to a transmissio...
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WO/2021/037366A1 |
The invention relates to a method for producing polycrystalline silicon fragments, comprising the steps: a) providing a polycrystalline silicon rod, b) working the surface of the silicon rod by means of a hammer or needle hammer to remov...
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WO/2021/036095A1 |
A novel electric hammer, comprising an electric tool body (3-1), a support (3-2), an oscillating rod bearing transmission structure, a brushless motor (1-7), and a battery assembly. The support is provided inside the electric tool body. ...
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WO/2021/035630A1 |
A pneumatic shovel, comprising a handle part (1), the handle part (1) being a hollow element; a main power part (2), the main power part (2) being connected at one end to the handle part (1), and, the main axis of the handle part (1) bei...
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WO/2021/037372A1 |
A spring hammer (10) for rapping a surface, the spring hammer comprising an anvil with an impact surface, which anvil can fastened to the surface to be rapped, a movable piston having a first end which is in operation moved towards the i...
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WO/2021/032515A1 |
Hand-held power tool having a tool fitting for holding a striking and rotating tool on a working axis, an electric motor, an impact mechanism which has a striker that is moved periodically along the working axis, and having a rotary driv...
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WO/2021/020137A1 |
A tool for carrying out effective chipping operations is provided. A striking surface 3b on one side of this hammer is angled, and a chipping chisel and a head part 1 are integrated. When swung downwards, the chipping chisel 4, 5, 6, 7...
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WO/2021/008877A1 |
The invention relates to a hand-held power tool, in particular a demolition hammer or a chisel hammer drill, comprises a handle which can be gripped by a user, a machine body, a rotational axis by means of which the handle is rotatably m...
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WO/2021/010541A1 |
A smart hammer for hitting glass of the present invention can easily break glass because a punch hits the glass with a strong pressing force due to a multistage impact. Replacement of a punch tip is simple and efficient. By inserting a s...
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WO/2021/004849A1 |
The invention relates to a tool receiving device for a machine tool, in particular a chipping hammer, containing a holding device for receiving and holding a tool shaft, a tool cap, and a dust cover device for preventing dust from penetr...
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WO/2021/004834A1 |
The invention relates to a tool holder for a machine tool, in particular a chipping hammer, containing a holding device for receiving and holding a tool shank, a retaining element running at least partially around the holding device and ...
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WO/2020/260081A1 |
The invention relates to a composite gear for an electropneumatic hammer drill, the composite gear having a main body, which consists of a first material, and having a peripheral toothing, the peripheral toothing being formed, along a fi...
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WO/2020/250715A1 |
The present invention achieves an electric work machine in which transmission of vibrations is prevented or restrained as well as or more than before, despite having fewer component parts and assembly man-hours than before. A hammer dril...
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WO/2020/251702A1 |
A glass break apparatus including an attachment mechanism comprising an attachment region configured to attach to an end of a light-emitting device and a receptacle coupled to the attachment region. The glass break apparatus also includi...
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WO/2020/247437A1 |
A multi-combinational tool assembly is configured as an orifice plate removal tool. The tool assembly includes a blade having a grip, a handle for hand-held use of the tool, a yoke connecting the blade to the handle, and a damper for pro...
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WO/2020/236710A1 |
A construction tool has a housing, a processor disposed within the housing, a microphone disposed within the housing, the microphone capturing speech uttered by a user, speech services module connected to the processor for interpreting t...
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WO/2020/235220A1 |
Provided is a slag removal device which has a vibration suppressing function and can even be applied to a portable welding robot, and with which an improvement in the service life of the welding robot and an improvement in the service li...
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WO/2020/234639A1 |
An efficiency-enhanced resonant system is provided with a backing mass connected to a linear vibrator, a parasitic mass connected to the linear vibrator, a positioning spring, a connecting device, and external biasing springs. The linear...
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WO/2020/223186A1 |
A power tool is provided with a coating to distribute static electricity away from the surface of the handle of the tool. The tool includes a handle configured to be grasped by a user. The handle includes a surface and a first material h...
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WO/2020/219847A1 |
Method and power tool for braking a motor of the power tool. One embodiment provides a method for braking a motor of a power tool. The method includes operating, using a motor controller of the power tool, the motor in accordance with a ...
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WO/2020/214659A1 |
Methods and power tools for sensorless motor control. One embodiment provides a method for automatic control switching for driving a sensorless motor (150) of a power tool (100). The method includes determining, using a motor controller ...
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WO/2020/212143A1 |
The invention relates to a setting tool and to a method for driving an anchor rod into a drill hole in a substrate by impact. The setting tool (10) has a drive end (18) and a non-drive end (20) at the opposite extremity in a tool directi...
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WO/2020/201288A1 |
This percussion apparatus (2) comprises a body (3) delimiting a piston cylinder (4); a percussion piston (5) mounted with the ability to move in a reciprocating manner inside the piston cylinder (4), the percussion piston (4) and the pis...
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WO/2020/200188A1 |
A smart tool system and a control method therefor, comprising: a smart electric tool (100), comprising: an output shaft (10) used for outputting torque; a motor (20) used for driving the output shaft to rotate; a housing (30) used for ac...
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WO/2020/200868A1 |
A tool guide (1) has a mounting (5), a lifting mechanism (7), and a chassis (9). The mounting (5) is designed to fix a hand-held machine tool (6) and is mounted on the lifting mechanism (7), and the lifting mechanism (7) has a propulsion...
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WO/2020/192500A1 |
Disclosed are a rust removal mechanism (1) with a bullet, and a rust removal device. The rust removal mechanism with a bullet comprises a bullet (12), wherein the bullet makes linear reciprocating motion under the driving of an external ...
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WO/2020/195725A1 |
The present invention improves workability of a striking work machine by reducing vibration transmitted to a housing. This striking work machine 10 is provided with: a cylinder 21 that applies rotary force to a tip tool; a piston 33 that...
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WO/2020/183129A1 |
A device for limiting a force applied by a tool to a target object, the adaptor comprising a first part, and a deformable member arranged to contact the first part and deform upon application of the force by the tool to the device. The f...
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WO/2020/183031A1 |
A rock drilling arrangement (100), comprising an impact device (1) comprising a frame (2) pressure chambers (3a, 3b) in the frame (2), and a piston (4) arranged in the impact device (1). The arrangement further comprises a rear mounting ...
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WO/2020/185149A1 |
Herein is described an arrangement to control the movement speed of a percussive element (6) which is arranged to move in a housing (1 ) of a drilling machine, where the percussive element (6) comprises a brake surface (13), wherein the ...
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WO/2020/180950A1 |
The hammer (20) has a head (22) and a handle (24) which extends from the head. The head has at least two surfaces (28, 32,34) that face towards the handle and that lie in a common first plane. At least a portion of the handle extends lin...
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WO/2020/175007A1 |
The present invention provides an electric work machine capable of suppressing a reduction in workability when a work environment is a low-temperature environment. An electric work machine (1) is provided with a motor (6) and a microcomp...
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WO/2020/163886A1 |
The invention relates to a decoring hammer (1) for decoring castings (2), comprising: - a housing (3) and an impulse member (4), which is coupled to the housing (3) and has a contact surface (5), which serves for coming into contact with...
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WO/2020/163621A1 |
A tool, such as a hammer, including cladding on a striking surface is shown and described. The cladding interfaces against the object struck by the hammer, thus protecting the hammerhead body from wear. In one embodiment, the cladding co...
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WO/2020/159221A1 |
An emergency escape kit is disclosed. An emergency escape kit according to one embodiment of the present invention comprises: an emergency escape punch which has an obstacle contact part arranged so as to be able to come in close contact...
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WO/2020/151929A1 |
The invention relates to an application tool, in particular a chisel or a drill bit, having a tool head, having a shank region in which a main body is arranged, wherein the main body has a first hardness, and having a coating that has a ...
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WO/2020/150622A1 |
A multi-stroke powered safety hammer system includes a hammer (10) having a body (11), a cylinder (25) within the body (11), and a piston (30) carried in the cylinder (25) for reciprocal movement therein. The system includes a quick-conn...
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WO/2020/148026A1 |
A hammer drill or a percussion hammer, comprising: a housing (12), in which a drive unit (20) having an electric motor (18) is arranged and a transmission unit (22) having a pneumatic percussion mechanism (24) is arranged, a motor axis (...
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WO/2020/135184A1 |
An electric tool, comprising: a striking shaft (11) comprising a striking end (1111) capable of reciprocating in a first axis (200) and capable of striking a nail (100) during movement, a striking surface (1123) contacting the nail (100)...
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WO/2020/126089A1 |
The invention relates to a chiselling hand-held power tool (1) having a tool holder (2) for holding a tool (3) on a working axis (7), an electric motor (8), and a hammer mechanism (4). The hammer mechanism has an excitation piston (12) c...
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WO/2020/126924A1 |
A hand-held power tool has a tool holder (2), a motor (8) and an electropneumatic hammer mechanism (4). The hammer mechanism contains an actuator piston (13), a hammer (14), a pneumatic chamber (18) for coupling the hammer (14) to the ac...
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WO/2020/129859A1 |
Provided is a rational configuration for suitably determining the likelihood of excessive rotation of a tool body of a drilling tool due to locking of a tip tool. A driver drill (1) comprises: a tool body (10); a brushless motor (2); a c...
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WO/2020/126499A1 |
The chisel-action hand-held power tool (1) according to the invention has a tool holder (2), an electric motor (8), a hammer mechanism (4) and an idle impact take-up (30). The tool holder (2) can receive a tool (3) and movably mount said...
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WO/2020/126348A1 |
The invention relates to a tool unit comprising a handheld power tool and a side handle me- chanically connected to the power tool, wherein the side handle has a threaded rod. Accord- ing to the invention, the power tool has an undercut ...
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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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