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WO/2023/110091A1 |
A hydraulic clamping device (14) configured to releasably secure a tool shaft (16) comprises an outer sleeve (141) having an outwardly conical surface (142), which tapers in a direction from a first end of the outer sleeve (141) towards ...
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WO/2023/112865A1 |
A method for manufacturing a gripping tool that grips a workpiece by using a top jaw (30) which is mounted on a plurality of master jaws (20) which are mounted on a gripping tool body (10), said method including: a step for mounting the ...
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WO/2023/105630A1 |
[Problem] To, in relation to a gripping device 1, broaden the dimensional range of objects that can be gripped by one gripping part and precisely machined. [Solution] This gripping device 1 comprises a gripping spring 2 that is described...
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WO/2023/084264A2 |
The present invention relates to a surgical handpiece (100) comprising a housing (102) and a drive shaft (10) arranged therein, wherein a stem-engaging bore (11 ) is formed in the drive shaft (10), which is open at a distal end (10a) of ...
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WO/2023/084685A1 |
This rotary device with a hydraulic mechanism is for reducing surge pressure in a hydraulic cylinder, and includes: a rotary mechanism that rotates a cylindrical rotary body through a drive motor; a hydraulic mechanism that provides an a...
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WO/2023/081028A1 |
A chuck assembly for use with a rotary power tool. The chuck assembly includes a chuck body, a plurality of jaws, and a plate. The chuck body has a plurality of passageways, a plurality of jaws, and a plate. The plurality of jaws are eac...
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WO/2023/078766A1 |
Drill bit adapter (100) and an electric tool. The drill bit adapter comprises: an outer sleeve (110), having a first through-hole (111) arranged in an axial direction; an inner sleeve (120), mounted in the first through-hole in the axial...
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WO/2023/080211A1 |
A processed bone retainer (1) comprises: a base (11) including insertion portions (113, 114) which are rod-shaped, have a male screw portion (114a) formed on a side wall thereof, and are inserted into through-holes (H1, H2) in a processe...
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WO/2023/079597A1 |
Provided is a tool seating confirmation device that accurately confirms the mounted state of a tool, the tool seating confirmation device including: an air flow passage formed across a seating surface of a rotating spindle on which a too...
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WO/2023/079614A1 |
According to the present invention, a seating determination device comprises a detection device that detects a physical quantity that varies in accordance with the seating state of a workpiece, a determination unit that determines the se...
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WO/2023/072345A1 |
In a component (1) for receiving and clamping a rotor (10), a ring assembly (3) surrounding a hollow space is provided, comprising concentric multiple rings (2), and connecting means (4) extend radially through the ring assembly (3) and ...
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WO/2023/070218A1 |
A retractable drill chuck system that is capable of being attached to a drill and drill bit; it can detect the initial breakthrough of the drill bit in a material and is capable of retracting the drill bit right as the drill bit breaks t...
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WO/2023/069595A1 |
A tool bit including a tip configured to engage a work surface, a shank extending from the tip and defining a longitudinal axis, and a drive portion coupled to an end of the shank opposite from the tip and configured to be engaged by a t...
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WO/2023/062240A1 |
A spindle for a polygonal hollow-shaft taper is proposed which permits optimal use of the interior of the spindle for receiving a clamping system and an optional cylinder structure.
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WO/2023/053436A1 |
Provided is a workpiece seating detection device in which piping length is reduced, the workpiece seating detection device having: a detection orifice through which air is discharged from a seating surface of a chuck for grasping a workp...
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WO/2023/054083A1 |
This spindle device comprises: a spindle including a tapered hole positioned on one end and to which a tool is detachably attached, and a spindle cylindrical portion that is positioned on another end side with respect to the tapered hole...
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WO/2023/053471A1 |
This spindle device comprises: a spindle including a tapered hole positioned on one end and to which a tool is detachably attached, and a spindle cylindrical portion positioned on another end side with respect to the tapered hole and com...
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WO/2023/048078A1 |
A machine tool (100) comprises a tooling holding part (70) having an insertion port for a tooling (60). The tooling (60) includes a tool holding part (62) for holding a tool, and an HSK shank (64) to be inserted into the insertion port. ...
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WO/2023/046509A2 |
The invention relates to a clamp (27) for surrounding an axle (26) and for clamping on the axle (26), with at least one strain sensor (34).
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WO/2023/043054A1 |
A magnetic force control device comprises: a first pole piece; a second pole piece; a fixed magnet fixed between the first pole piece and the second pole piece; a rotating magnet disposed between the first pole piece and the second pole ...
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WO/2023/041352A1 |
A device (100) for gear-cutting machining using a rotating machining tool (150) is disclosed. The device has a motor spindle (130) with a drive motor (134) and a motor spindle shaft (133) which can be driven by the drive motor (134) and ...
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WO/2023/037427A1 |
This collet chuck with double collets has: a mandrel at the distal end of which a conical-trapezoidal outer-side tapered surface is formed and which is fixed in a center position; a first collet which is located on the outer side of the ...
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WO/2023/037434A1 |
A piston (81) includes a first tapered face (410p), a second tapered face (420p), and a second stepped face (470p) having a tapered shape. An angle formed by the second stepped face (470p) with respect to a predetermined axis (210) is gr...
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WO/2023/035094A1 |
A rotary body dynamic balance detection and correction device (20), comprising a detection assembly (21) and a machining correction assembly (22). The detection assembly (21) is used to detect the amount of unbalance of a rotary body (10...
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WO/2023/032063A1 |
This NC circular table that has a reduced dimension in the machine width direction comprises: a spindle which is rotatably supported by a front-side bearing and a rear-side bearing and which has a rotary table fixed to the front-side end...
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WO/2023/033024A1 |
The present invention comprises: a pivoting portion (33A) configured to be pivotable around a first axis; and a support portion (33B) for supporting the pivoting portion (33A) so that the pivoting portion (33A) can pivot around the first...
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WO/2023/032828A1 |
Provided is a deburring holder comprising a plurality of compression springs, and capable of switching combinations of the compression springs. A deburring holder of the present invention comprises: a main compression spring that recei...
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WO/2023/025576A1 |
An intermediate sleeve (1) for inserting into the central receptacle of a chuck, having a cylindrical sleeve body (2) which has a central clamping bore (3), wherein a plurality of longitudinal slots (13), which pass through the wall from...
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WO/2023/026477A1 |
This workpiece support device for a machine tool is provided with: a rotary shaft that supports a workpiece and that can rotate about a first axis; a first support device that has a through-hole portion capable of supporting a guide bush...
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WO/2023/021810A1 |
The present invention continues tool insertion work even if tool insertion has failed in a shrink-fitting method. A shrink-fitting system (100) for shrink-fitting a tool into a holder comprises: a heating device (110) that heats the hold...
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WO/2023/019434A1 |
A chuck (10) for use with a power driver having a rotatable drive spindle. The chuck may include a sleeve (60) comprising a sleeve tightening surface (62) that may be configured to engage with a nut tightening surface (502) to tighten a ...
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WO/2023/020721A1 |
The invention relates to a device for clamping and unclamping tools in a collet (14), comprising: a collet (14), which has a conical outer surface, which lies against a correspondingly shaped inner surface of a tool holder (10), the tool...
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WO/2023/011779A1 |
Attachment connector member (E), especially for the connection of operating parts (B, M, U) of a machine tool (MO), including a cylindric central body (1), from each other opposite bands in relation to said central body (1), a first port...
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WO/2023/002516A1 |
Tool holder device (10) comprising a stem (11) and at least one interchangeable head (12), able to fit inside the stem (11). The stem (11) of the tool holder device comprises a junction seat (111) with the head (12), preferably trilobo-c...
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WO/2023/286418A1 |
This tool clamping device comprises: a housing (51); a drawbar (61); a piston (81) that strokes to cause the drawbar (61) to slide between a first position to obtain a tool clamping state, and a second position to obtain a tool unclampin...
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WO/2023/286109A1 |
Provided are: a chuck device with which it is possible to lessen the burden of replacement work of child jaws attached to parent jaws and to achieve firm attachment of the child jaws to the parent jaws; and a method for attachment of chi...
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WO/2023/279714A1 |
A quick-change drill bit device, comprising a drive shaft (1), a clamping block (2), an outer sleeve (3) and an elastic member (4). A mounting groove of the drive shaft (1) is used for mounting a drill bit (100), the outer sleeve (3) is ...
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WO/2023/280461A1 |
A coupling arrangement (18a, 18b) for a tool (10), the coupling arrangement comprising a drive part (20a, 20b) rotatable about a rotation axis (24), the drive part comprising a drive profile (46); a driven part (22a, 22b) rotatable about...
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WO/2023/277904A1 |
Exemplary embodiments are directed to a pedal for a bicycle that includes a body, a spindle rotatably secured to the body and for connection with the bicycle, a first magnetic platter non-rotatably secured within the body, and a second m...
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WO/2023/274791A1 |
A clamping apparatus (19) is provided for clamping tubular or rod-like workpieces in a laser processing installation, the clamping apparatus comprising: an annular basic body which is mounted about a central axis of rotation, at least pa...
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WO/2023/273161A1 |
A tightening and positioning mechanism, comprising a mounting seat (101), a tightening assembly, a positioning assembly and a power assembly. An axis of an end surface of the bottom end of the mounting seat (101) is provided with a first...
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WO/2023/278850A1 |
The swivel knife holder assembly includes a shoulder screw defining an axis, and having a proximal threaded end and a distal head, and mounted on the shoulder screw is a bobbin assembly. The swivel knife holder assembly also includes a s...
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WO/2022/268373A1 |
A clamping device for releasably holding a tool holder shank (81), comprising: - a spindle (2) rotatably mounted inside a housing (3); - a drawbar (8) axially moveable in a bore (5) in the housing between an advanced releasing position a...
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WO/2022/267206A1 |
A cutting apparatus for vibration reduction and cooling, comprising a frame (10), a cutting mechanism (20), and a clamping mechanism (30). The cutting mechanism (20) comprises a moving assembly and a cutting assembly (23), and the cuttin...
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WO/2022/269744A1 |
Provided is an NC table with a chuck having an enhanced workpiece gripping force, the NC table with a chuck comprising: a table body that covers the entire body; a hydraulic cylinder that is rotatably incorporated in the center of the ta...
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WO/2022/268372A1 |
A clamping device for releasably holding a tool holder shank (71), comprising: - a housing (2); - a drawbar (8) axially moveable in a bore (3) in the housing in a first axial direction (D1) between an advanced releasing position and a re...
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WO/2022/269865A1 |
This tool holding system comprises a locking mechanism part (600) for locking a tool held by a tool holding part (51). The locking mechanism part (600) has: an engagement part (531) movable between a first position (Pa) in which the enga...
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WO/2022/268757A1 |
In a method for tool exchange on a machine tool, a tool (180) is coupled to a tool holder (175) of a tool spindle (170) of the machine tool or is uncoupled from the tool holder. The tool spindle (170) is rotatable about a spindle axis (1...
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WO/2022/262207A1 |
Disclosed in the present invention is a high-frequency ultrasonic cutter handle, comprising a collet and an amplitude-change pole used for receiving high-frequency mechanical vibration converted by a transducer, which are sequentially co...
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WO/2022/252254A1 |
A gear shaping device for a large internal gear. The gear shaping device comprises an annular inner core (1), an expansion sleeve (2), a cone outer sleeve (3) and a base (4), which are coaxially arranged, wherein the annular inner core (...
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