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WO/2021/186772A1 |
The purpose of the present invention is to automate at least part of whetstone exchange work. Provided is a processing system including: a grinder to which a processing part for processing the surface of an object to be processed is de...
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WO/2021/177415A1 |
[Problem] A particular portion of a roller brush wears out as burr removal is performed. In this case, as the wear prevents sufficient burr removal, the entire roller brush can be replaced. However, replacing the entire roller brush when...
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WO/2021/160416A1 |
The invention relates to a machine tool having an adapter device (10a; 10b) for fastening a machine tool accessory (12a; 12b) to a tool holder (16a; 16b), different in design to a fastening interface (14a; 14b) of the machine tool access...
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WO/2021/153042A1 |
Provided is an AE signal detection device for a grindstone, the AE signal detection device being capable of detecting an acoustic emission wave from a point of grinding by the grindstone, not requiring replacement of an AE sensor, a prea...
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WO/2021/130026A1 |
The invention relates to a quick clamping device for positioning an accessory device (17) on a hand-held power tool (13), in particular on an angle grinder, comprising a drive output unit (33) for moving the accessory device (17) about a...
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WO/2021/124036A1 |
A repositionable abrasive disc mounting assembly comprises a backup pad and a clamp assembly. The backup pad has a rotational axis of use and a major surface with projections extending outwardly therefrom. The backup pad further comprise...
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WO/2021/066158A1 |
The present disclosure is a grinding wheel flange (10) that clamps a grinding wheel (T), and that is formed from carbon fiber reinforced plastic.
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WO/2021/043889A1 |
The invention relates to an adapter device for a power tool (20a; 20b; 20c; 20d), in particular a multifunctional power tool that is able to be driven in an oscillating manner, having at least one machine interface (12a; 12b; 12c; 12d) f...
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WO/2021/013628A1 |
The invention relates to a machine tool (1), in particular an angle grinder, having a spindle (8) which is drivable about a rotation axis (L), wherein a device (9) is provided which can be fixed to the spindle (8) by means of a slewing r...
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WO/2021/009656A1 |
The changing equipment (3) for flap wheels comprises: gripping means (4) for one flap wheel (2) applicable to a grinding head (T), wherein the flap wheel (2) is provided with a threaded element (2a); and one screwing unit (5) operational...
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WO/2021/001744A1 |
The disclosure is generally directed to abrasive rotary tools capable of expanding into a substrate. Exemplary abrasive rotary tools include an expandable collet configured to expand an abrasive surface of the abrasive rotary tool. The e...
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WO/2020/249205A1 |
The invention relates to a grinding tool (1) having a replaceable grinding means (4). A grinding layer (9) of the grinding means (4) faces a drive shaft (2) of the grinding tool (1). In this manner, it is possible to grind a workpiece (W...
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WO/2020/238950A1 |
An electric tool (100), comprising: an output shaft (111) capable of rotating or swinging around a first axis (101); a mounting device (110) used for mounting a working accessory (200) to the electric tool, the mounting device having a w...
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WO/2020/234704A1 |
An assembly for attachment of an accessory to a random-orbital sander is disclosed comprising a drive spindle, a support plate, one or more drive members located on and protruding from either of both of the drive spindle and/or the suppo...
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WO/2020/209434A1 |
A torque transmission device is disclosed. The disclosure comprises: a rotating body connected to a shaft of a power generating unit; and a rotated body coupled to the rotating body in an attachable/detachable manner, a rotated member be...
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WO/2020/203844A1 |
A rotation command unit outputs a rotation command to a rotary motor. A rotation angle acquisition unit acquires the measured value of a rotation angle of a grindstone from a rotation angle sensor. A vibration acquisition unit acquires a...
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WO/2020/192795A1 |
Provided is a grinding wheel disc device, comprising: a grinding wheel disc (251), a flange (252), a pull rod (253), and a spindle (254). The grinding wheel disc (251) is mounted on one side of the flange (252), the other side of the fla...
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WO/2020/175850A1 |
The present invention relates to a grinder wheel fixing device, and the objective of the present invention is to provide a grinder wheel fixing device which quickly fixes a grinder wheel with thread-fastening, and which prevents threads ...
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WO/2020/175853A1 |
The present invention relates to a grinder holder enabling a polishing pad to be attached thereto and detached therefrom by one touch. A grinder holder, which is mounted on a rotating shaft of a grinder and enables a polishing pad to be ...
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WO/2020/169882A1 |
The disclosed solution comprises a device for changing abrading products (30), the device (1) comprising a detacher (2) comprising a table (10), a blade (14) adapted to penetrate into between an abrading product (30) and the gripping mea...
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WO/2020/152512A1 |
An electrospindle comprising a motor (2) for moving a tool and a mechanical transmission (3) for transmitting motion from the motor (2) to the tool, the electrospindle (1) comprising a gripping head (5) for the tool and for coupling the ...
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WO/2020/152511A1 |
An electrospindle comprising a motor (2) for moving a tool and a motor shaft (3) for transmitting motion from the motor (2) to the tool, the electrospindle (1) comprising a gripping head (5) of the tool and coupling of the latter to the ...
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WO/2020/128950A1 |
The present invention relates to an attachment hub for attachment to a sander, comprising a quick-release attachment assembly configured for releasable and aligned engagement with a counterpart of a backup pad particularly for an abrasiv...
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WO/2020/084379A1 |
A hooking device (10) for working tools for flat glass sheets or flat crystal glass sheets, mirror glass sheets, or also flat marble, granite and similar stone material slabs, comprised of a first component and of a second component that...
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WO/2020/045955A1 |
The present invention relates to a hand grinder disk fixation device, which allows a cutting disk or grinding disk mounted on a hand grinder to be easily replaced and allows replacement work to be safely performed. More specifically, the...
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WO/2020/047118A1 |
Retention apparatus and systems for material removal machines are disclosed. In some examples, a material removal machine having a material removal tool (e.g., a saw blade, an abrasive saw, a polisher, a grinder, and/or more general mate...
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WO/2020/039940A1 |
A method for manufacturing a glass sheet, the method including a step for removing a grindstone flange 3 and a grindstone 6 from a spindle 2, wherein: the removal step includes an unfixing step for unfixing the spindle 2 and the grindsto...
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WO/2020/013747A1 |
A power tool (1) is disclosed comprising a tool (3),a power source (5) arranged to power the tool (3),a throttle lever (7),a circuit board (9),and a human machine interface (10) comprising components (15, 17, 19) arranged on the circuit ...
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WO/2020/009305A1 |
The present invention relates to a torque transmission device and, more particularly, to a torque transmission device, which is connected to a power generating unit and rotates by receiving power from the power generating unit, for preve...
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WO/2019/231323A1 |
The present invention relates to a floor treatment apparatus (1) and method for treating a floor. The apparatus comprises: • - a housing (10) comprising a top plate (11), and • - a drive system comprising: • - a transmission (21) a...
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WO/2019/179964A1 |
The invention relates to a connecting device comprising a positive connecting element and a negative connecting element, wherein the positive connecting element has an elevation arranged on a base surface and the negative connecting elem...
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WO/2019/173250A1 |
A surface finishing implement, such as a wire brush, cup brush, grinding wheel, or cut-off disk, configured for mounting to rotary power tools having a plurality of different types or sizes of mounting arrangements. One implement has a f...
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WO/2019/162220A1 |
The invention relates to a quick clamping device for a machine tool (12a), in particular for a hand-held machine tool, comprising at least one clamping device (18a; 18b; 18c; 18d) that is moveably mounted in particular on an output spind...
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WO/2019/123310A1 |
An apparatus (1) for carrying out the replacement of an abrasive element (20) in a machine (100) for finishing surfaces, comprises a support body (10) configured to reversibly engage the abrasive element (20). The support body (10) and t...
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WO/2019/100090A1 |
What is described is a processing device for rail systems in urban areas, having a travel drive (5), a processing drive (6) and a contour-defining, rotationally driven processing tool (7) mounted in a floating manner on a shaft (10) arra...
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WO/2019/090606A1 |
An automatic sandpaper replacement device for a CNC production line comprises: an automatic sandpaper supply mechanism (1) comprising a support assembly (11), a sandpaper storage assembly (13) and a sandpaper take-out plate (113), the sa...
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WO/2019/081275A1 |
The invention relates to a clamping device (10) for axially (AR) clamping a tool disk (300) to a flange (30) associated with a drive spindle (20) of a hand-held power tool (100), the clamping device (100) having a screw (2), which is to ...
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WO/2019/073445A1 |
The present invention relates to a polishing system (100) for providing a polishing finish to a concrete surface, said system comprises a pad lock (2) which, one a second surface (6) thereof, comprises a number of protrusions (32) which ...
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WO/2019/043618A1 |
A rotary tool (1) having a base (10) to which an abrasive body (20) is rigidly coupled; an adapter (30) being arranged to connect the base (10) to a spindle (M) rotating around a pivot axis (A) of a tool machine (MY); the base (10) has a...
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WO/2019/030057A1 |
The invention proceeds from a quick clamping device for arranging at least one application tool (10) on a power tool (12), in particular on an angle grinder, having at least one output unit (14) for moving the application tool (10) about...
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WO/2019/030058A1 |
The invention proceeds from a quick clamping device for a portable power tool (14a), in particular an angle grinder, having an output shaft (12a-o) that is drivable in rotation, having at least one clamping unit (16a-o) which, in order t...
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WO/2019/015980A1 |
The invention relates to a a quick-clamping device for a portable machine tool, in particular for an angle grinder, comprising at least one clamping unit (12a – 12r) which, for tool-free fixing of an insertion tool unit (14a – 14r) t...
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WO/2019/006838A1 |
Disclosed is a mechanism for automatically replacing a grinding wheel piece for an electric sander. The mechanism comprises a first machine frame (1) and a sander manipulator (2) located above the first machine frame (1), wherein two gri...
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WO/2018/226068A1 |
Disclosed are a fixing assembly and a grinder. The present invention includes: a first body part inserted into a grinder blade; a second body part disposed facing the first body part; a support part connected to the second body part and ...
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WO/2018/221813A1 |
The present invention relates to a continuous linear compression spring grinding device for grinding end surfaces of a linear compression spring (10) by means of upper and lower chain conveyors (100, 200) and grinding units (300). The co...
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WO/2018/217456A1 |
An abrasive finishing article with an adapter or hub to attach to an appropriate power tool, wherein the hub contains sets of slots to receive ribs positioned on a grinding wheel to permit adjustment of the height of the hub to change th...
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WO/2018/193939A1 |
A connection device is provided with: a cylindrical holder (31) in which holes (31a) are provided in side walls thereof and an expansion rod (13) is fixed to a top end thereof; steel balls (32) fitted into a recess (22a) provided in a si...
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WO/2018/188870A1 |
The invention proceeds from a grinding-means device, in particular from a grinding-disc device or from a backup-pad device, for arranging at least one grinding means, in particular at least one grinding wheel, on a portable power tool (1...
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WO/2018/183724A1 |
A grinding wheel assembly is disclosed and includes an arbor in which a pull stud may be installed. Further, the arbor can include a head assembly that includes a mounting plate, a cover plate, and an abrasive body disposed there between...
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WO/2018/163102A1 |
The present invention relates to a device (14) for sanding floor areas, the device comprising a frame, a steering, a motor which is provided to said frame, a subframe (13) rotatably coupled with said motor, said subframe being centrally ...
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