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WO/2018/147460A1 |
This hub-type blade rotates about an axis (O1), and is characterized by being provided with: a hub (110) on which a blade attachment surface (111A) made from an aluminum alloy is formed; a blade main body (130) which is arranged on the b...
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WO/2018/142639A1 |
Provided are a roll shaft having high corrosion resistance and rigidity against bending, and a brush roll that uses the roll shaft. A roll shaft (2) is used in a brush roll (1) for brushing a strip-shaped metal plate, and is provided wit...
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WO/2018/131790A1 |
The present invention comprises: a grinder body (10); a coupler (P) composed of a power transmitting member (20) coupled to a rotary shaft (11) of the grinder body (10), and a main body (30) provided between the grinder body (10) and the...
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WO/2018/117436A1 |
The present invention relates to a grinding disc for use in a grinder that generates rotational power by means of a motor or an air pressure and then performs cutting work on a material to be processed and, more specifically, to a grindi...
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WO/2018/110856A1 |
A rotation device is disclosed. A rotation device according to an embodiment comprises: a body part, which is connected to a power generation part, such as a motor, to rotate a member to be rotated and comprises a driving shaft formed at...
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WO/2018/079986A1 |
The present invention relates to a method for manufacturing a main body of a grinding tool fixing member having: a cap (30) formed at the front thereof; a sleeve (40) and a coil spring (50) successively connected; and a main body (20) co...
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WO/2018/072997A1 |
The invention relates to a quick clamping device for a portable machine tool, in particular an angle grinder, comprising at least one output shaft (12a; 12b) that can be rotatably driven and that has at least one clamping unit (16a; 16b)...
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WO/2018/072995A1 |
The invention relates to a quick clamping device for a portable power tool having at least one rotatably drivable output shaft (12a; 12b; 12c; 12e; 12l), in particular an angle grinder, comprising at least one clamping unit (16a; 16b; 16...
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WO/2018/072996A1 |
The invention relates to a quick clamping device for a portable machine tool having at least one rotationally drivable drive shaft (12), in particular an angle grinding machine, having at least one clamping unit (16), which has, for tool...
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WO/2018/065759A1 |
A grinding machine comprises two rotary tool spindles (4, 6), each able to carry at least twogrinding wheels (20, 22, 24), and a transfer mechanism (40, 64) operable to transfer a grinding wheel (22) mounted on one of the tool spindles o...
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WO/2018/040344A1 |
Disclosed is a multi-directional polishing device for shoe vamps, comprising a concatenated round bar (1), a clamping protruding platform (2), an isolation sleeve (3), an active turning wheel (4), an outer gear protruding platform (5), a...
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WO/2018/036831A1 |
The invention relates to a power tool (211), in particular a hand-held power tool, preferably an angle grinder, which has a tool-holding device (213), which can be rotated about an output axis (A), wherein said tool-holding device (213) ...
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WO/2018/036830A1 |
The invention relates to a tool device (11), in particular for machining a workpiece, for holding in a hand-held power tool (211), which can be operated in such a way that the tool device can be rotated about an output shaft of a tool-ho...
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WO/2018/036920A1 |
The invention relates to a quick tensioning device for a portable machine tool, in particular for an angle grinding machine, comprising at least one output shaft (14) which can be rotated in particular, comprising at least one clamping u...
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WO/2018/027250A1 |
The invention relates to a carrier body (1, 2, 3, 4, 5, 6, 30) for grinding tools having an inner hub ring (7), which surrounds a central bore (8) for connecting the grinding tool to a rotary drive, and an jacket ring (9) for receiving a...
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WO/2017/220338A1 |
The subject of the present invention is a rotationally drivable rotary tool device and in particular a rotary brush tool. The invention is equipped, in its basic construction, with a tool holder (1, 2) having at least one drive-side clam...
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WO/2017/207008A1 |
A tool (1) with tool elements (4), preferably rotating grinding and/or sanding tool. The tool (1) consists of a tool portion (2) and a mounting portion (3), which secures the tool elements (4) in the tool (1). The tool (1) is distinguish...
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WO/2017/207007A1 |
Bayonet coupling for mounting of a tool (1) on a drive shaft (2) of a machining unit. The drive shaft (2) is connected to the tool (1) via a bayonet coupling, which comprises two coupling parts. The one coupling part is provided with a r...
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WO/2017/193147A1 |
The invention relates to a grinding wheel (1) comprising a support body (2, 3) which has a central coupling region (4) for attaching the grinding wheel (1) to a rotary drive for rotating the grinding wheel (1) about a rotational axis (5)...
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WO/2017/134037A1 |
The invention relates to a clamping device for axially clamping a disk-shaped tool, preferably a cutting disk, on a flange of a drivable spindle of a hand-held machine tool, comprising a clamping disk which rests against the tool in a fr...
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WO/2017/024352A1 |
This disclosure relates to a handheld oscillating power tool and attachment accessories for the oscillating power tool. The oscillating power tool is configured to cause the accessory to oscillate. The handheld oscillating power tool inc...
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WO/2017/013837A1 |
A cutting device is provided with a first flange and a second flange secured to a rotary shaft in such a state as to sandwich a rotary blade. The first flange is provided with an annular holding part in close contact at the outer-periphe...
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WO/2016/085052A1 |
The present invention relates to a device for detaching/attaching a hand grinder polishing disk, the device being clamped on the rotating shaft of a grinder main body so as to enable the easier and quicker detachment/attachment of a cons...
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WO/2016/077272A2 |
A sample grinder includes a base having a bowl and a rotating drive plate to operably support a grinding wheel. A head is configured to support a specimen holder and has a first drive for rotational drive of the specimen holder and a sec...
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WO/2016/027936A1 |
The present invention relates to an apparatus for attaching/detaching a grinding tool for a grinder that can: allow the grinding tool to be conveniently attached to and detached from a coupler that is coupled to a rotating shaft of a mai...
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WO/2015/183105A1 |
The invention relates to a device for use with a power tool. The device is configured to be placed between the body of a power tool and the attachment head of a power tool to reduce the transfer of vibration from the power tool attachmen...
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WO/2015/089520A1 |
This invention relates to an accessory for a fastener (10), more specifically, to an accessory for a fastener (10) in the form of a frangible, quick release washer (12, 14) interposable between a bolt-like fastener (i.e. bolts, studs, sh...
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WO/2015/086081A1 |
The invention relates to a device for the surface processing of floors and coverings for mounting on a driven receiving disc (5) of a floor grinding machine, comprising a roller receiver with a rotatably mounted, contoured milling roller...
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WO/2015/036600A1 |
A mounting system (100) for mounting of a tool having a cylindrical cavity (161), the system comprising a shaft (111) having a key-zone (112) and a key (113) and a collar (114) against which a spring (115) can be positioned. The system c...
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WO/2015/014468A1 |
The invention relates to a power tool, in particular a hand-held power tool, which has a tool receiving device that is movable, in particular in an oscillating manner, about an output axis (2). The tool receiving device is designed to ho...
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WO/2015/014467A1 |
The invention relates to a tool device which is suitable for use with an, in particular hand-held, machine tool, having a drive device moving, in particular in oscillating fashion, about a drive axis. The tool device has a connection dev...
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WO/2015/014469A1 |
The invention relates to a machine tool, in particular a hand-held machine tool, which has a tool-accommodating device which can be moved, in particular in oscillating fashion, about a drive axis, in order to retain a tool device on the ...
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WO/2014/201087A1 |
An adapter according to one aspect is an adapter for fixing to a shaft of a grinding machine a grinding wheel having a through-hole where the shaft is inserted. The adapter is provided with a main body having at least a portion thereof i...
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WO/2014/132782A1 |
The rotation support bar (2) of a grinding tool (1) has a bendable hinge section (4) at the intermediate section thereof, and has a balancer (5) on the grinding stone tip (3) side. The hinge section (4) comprises two or more opposed pair...
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WO/2014/090753A1 |
The invention relates to a sanding assembly including a sanding device (100) comprising a plate (110) for supporting a sanding disk (10) and motor-driven means (140) suitable for moving the supporting plate (110), characterized in that t...
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WO/2014/090452A1 |
A shaft (20) for rotationally coupling a main device (10) to a tubular device (30; 30a) is proposed. The shaft (20) has a first, free end (31) that is introduced into the device (30; 30a). The second end (37) of the shaft (20) can be sec...
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WO/2014/088080A1 |
Provided is a grindstone-holding device with which exchanging of the polishing grindstone can be performed easily and in a short time. A grindstone-holding device provided with: a mounting seat that is installed on a rotation mechanism f...
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WO/2013/156306A1 |
The invention relates to a force-driven hand tool having a housing (12) having a spindle head (14), having a tool spindle (16) that can be driven about the longitudinal axis (18) of the tool spindle, in particular that can be driven in a...
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WO/2013/131666A1 |
The invention relates to a hand machine tool insertion tool (12) for an oscillating and/or rotating movement when coupled to a tool receptacle (10, 110, 210), having a processing region (76) and having a fastening region (80) for couplin...
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WO/2013/115142A1 |
[Problem] To provide a technique in which the tip tool of a work tool can be held using a simple action. [Solution] There is configured an electric vibration tool (1) provided with a spindle (120) and a clamp shaft (123), the electric vi...
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WO/2013/107528A1 |
The invention relates to a supporting disk having a driving plate (38) for lamellar grinding disks comprising an outer flange (20) designed on the supporting disk (18) for fixing grinding lamellae (22) and a dome-shaped inner part (26) t...
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WO/2013/091208A1 |
A polishing device for a fork type support comprises a connection piece (1), a fork type support piece (2), a polishing wheel (3), a polishing wheel driving part (4), a polishing wheel transmission part (5) and a polishing liquid supply ...
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WO/2013/088574A1 |
Provided is a grinding wheel mounting apparatus that reduces the weight of a grinding wheel to be replaced, enabling the grinding wheel to be easily mounted on a grinding wheel flange while ensuring centering precision. Thus, a grinding ...
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WO/2013/088770A1 |
Provided is a grinding wheel mounting apparatus that reduces the weight of a grinding wheel to be replaced, enabling the grinding wheel to be easily mounted on a grinding wheel spindle while ensuring centering precision. Thus, a grinding...
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WO/2013/065614A1 |
An electric vibration tool (100) for driving a blade (200), the electric vibration tool having a spindle (120), a crank shaft (123) that is detachably mounted on the spindle (120), and a crank-shaft-holding mechanism (130) for holding th...
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WO/2013/065615A1 |
An electric vibratory tool (100) has a spindle (120), a clamp shaft (123) capable of being mounted to and removed from the spindle (120), and a clamp shaft holding member (130) disposed between the spindle (120) and the clamp shaft (123)...
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WO/2013/062730A2 |
A polishing device is provided which is attachable to a tip holder plate of a concrete polishing machine to polish a concrete surface. The polishing device includes a tip holder that is compression-molded using a heat resistant plastic m...
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WO/2013/058248A1 |
[Problem] To provide a technology for suppressing the increase in size of a work tool for powering a sandwiched and held tip tool. [Solution] An electric vibrating tool (100) is configured in a manner such that the biasing force of an O-...
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WO/2013/058249A1 |
[Problem] To provide a technology capable of holding a tip tool in a work tool by using a simple configuration. [Solution] An electric vibrating tool (100) is configured so as to have an outer flange (130) capable of being attached to an...
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WO/2013/013630A1 |
Disclosed are a power tool and an operating method thereof. The power tool includes: a housing (10); an output shaft (11) for mounting and driving a working head (12) to work, said output shaft being provided with a receiving portion (11...
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