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Patent Searching and Data


Matches 1 - 50 out of 15,545

Document Document Title
WO/2019/210897A1
The invention relates to a tool holder (2) for connecting a machining tool (4) having a depth-control stop (3) to a working spindle of a machine tool, having a spindle-side shaft part (6) and a receiving part (7) which supports the machi...  
WO/2019/206736A1
The invention relates to a clamping device for releasably holding a tool holder shank. The clamping device comprises a housing (13) and a drawbar (19) being mounted reciprocally movable inside a bore of the housing and which in 5 a forwa...  
WO/2019/208379A1
In the present invention, a sealing part is provided between a claw opening/closing member and a support member. The sealing part comprises a first abutting part that abuts the claw opening/closing member, and a second abutting part that...  
WO/2019/177472A3
The invention concerns the attachment shank for drills in an SDS system used for drills for metalworking, stirrers, chisels, furrow openers, e.t.c Longitudinal grooves /1/, from the interior side of the body /2 /are finished with arched ...  
WO/2019/201681A1
The invention relates to a tool holder (1) comprising a tool zone and a tool interface zone (2), wherein the tool interface zone (2) comprises a rotationally symmetrical outer surface that extends over a predefined axial length and the t...  
WO/2019/202780A1
Provided is a lathe in which a main shaft can be shortened. A lathe 1 is provided with: a main shaft 12; a main shaft support portion 11 that supports, at the outer side S4 of the main shaft 12, the main shaft 12 via a bearing B0; a coll...  
WO/2019/196973A1
The invention relates to a hydro-expansion chuck (1) for clamping a workpiece (2), comprising at least one channel (3) integrated therein for receiving a hydraulic fluid, wherein the hydraulic fluid is provided to be pressurized in order...  
WO/2019/185239A1
The invention relates to a clamping device (1) of a spindle-driven machine tool, having a main part (10), which is arranged along a spindle axis (15) and has a coupling element (50) on a first side (11) and a second side (12) with a work...  
WO/2019/184178A1
Disclosed is a cooling chuck, comprising a drill body (1), a clamping jaw (2), a screw nut (3), a sleeve (4) and a rear cover (5). A rear end of the clamping jaw (2) is provided with a sloped clamping jaw face (7); the sloped clamping ja...  
WO/2019/181847A1
The purpose of the present invention is to provide: chuck mechanism in which appearance is not impaired even if a chamfered section for improving safety is formed; and a method for manufacturing the chuck mechanism. This chuck mechanism ...  
WO/2019/179546A1
The invention relates to a guide bushing (10) for guiding a material rod, comprising a collet chuck (30) mounted in an axially displaceable manner in a collet chuck receptacle (20), and an actuator (40) configured for the axial movement ...  
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...  
WO/2019/181779A1
This chuck claw replacement hand is attached to a conveying device, and is configured to attach and detach a claw to and from an attachment groove provided in a chuck of a machine tool. The claw replacement hand is provided with a hand p...  
WO/2019/178777A1
Various chucks for use with a power driver having a rotatable drive spindle are provided. One chuck includes a plurality of jaws disposed at a forward end of the chuck, a body, a push plate, a jaw spring, and a nut. The plurality of jaws...  
WO/2019/170378A1
The invention relates to a combination tool (10), comprising a tool holder (12) extending along an axis of rotation of the tool (14) that defines an axial extension, an inner cutting tool (16) for machining a first, central hole region a...  
WO/2019/170556A1
In order to position and/or fix a workpiece (3) or tool, a clamping element (1) comprising a plurality of supporting webs (4) and a plurality of elastic intermediate members (5) is proposed, wherein the clamping element (1) can be opened...  
WO/2019/170599A1
A workpiece gripping device for machine tools and machining centers, comprising: a body (12); grip means (32, 34), which can move with respect to the body (12) between a loading/unloading position and a gripping position; elastic means (...  
WO/2019/170749A1
A known rotary tool holder(10)comprises a rotary tool gripper (11) and a non-rotary part (16) presenting a flat front wall (18), the rotary tool gripper projecting from the flat front wall and comprising a shaft segment (15) having twosh...  
WO/2019/167697A1
The present invention pertains to a coolant supply means provided with a hole or groove for guiding a coolant. More specifically, the present invention pertains to a coolant supply means having a mechanism in which, when a coolant is eje...  
WO/2019/167927A1
The purpose of the present invention is to provide a chuck in which a jaw is stably operated over a long term. Provided is a chuck that is provided with a body and a jaw provided on the body, wherein: the body has an end face and a swing...  
WO/2019/159823A1
The purpose of the invention is to allow, even in situations in which visually readable information is not visible, acquisition of information corresponding to the information that is not visible. Provided is a chuck mechanism comprising...  
WO/2019/154606A1
The invention relates to a positioning device (5) for clamping and positioning a workpiece, said positioning device comprising a main body (8), a rotary body (9) mounted rotatably relative to the main body (8) and designed for clamping t...  
WO/2019/151708A1
The present invention relates to a built-in type electric driving system of a machine tool. The system may comprise: a housing; a hollow tube-shaped spindle extending in the forward/backward direction with respect to the housing and inst...  
WO/2019/152928A1
An apparatus in the form of an adapter for forming a connection comprising a first part adapted for coupling with a second part by a quick-release coupling formed by a first projection of the first part having an at least partial dovetai...  
WO/2019/144306A1
A chuck for use with a power driver having a rotatable drive spindle is provided. The chuck may comprise a plurality of jaws, a front body, a nut, a rear body, and a clutch. The clutch may be configured to move between a working position...  
WO/2019/142600A1
Provided is a lathe with which it is possible to extend the service life of a shifter mechanism. A lathe 1 is provided with a main spindle 32, a gripping member 60, a motive force transmitting unit TR1, a shifter 10, claw members 20, and...  
WO/2019/143760A1
Methods of machining a surface (optionally an optical surface) into a workpiece, and devices, systems, and apparatuses for machining a surface into a workpiece.  
WO/2019/134425A1
An internal and external clamping method and device of a thin-wall tubular part during rotary processing. A plurality of support blocks (18) of the device are spaced to form an annular structure around a flange bush (22); the middle part...  
WO/2019/128695A1
A pressure-roller-type holding chuck comprises a chuck base (1), a chuck (2), and, disposed on the chuck, (2) a driving mechanism a (3), a driving mechanism b (4), a first holding mechanism (5), a second holding mechanism (6), a third ho...  
WO/2019/129488A1
Clamping device for a saw, in particular a jigsaw, for releasably clamping and releasing a saw blade, comprising a blocking element, a clamping element, a holding sleeve and an ejection element, wherein the clamping element comprises a r...  
WO/2019/116573A1
A main spindle device (10) for a machine tool that checks the seating of a tool holder (30) using compressed air, wherein the main spindle device (10) for a machine tool comprises: a main spindle (12) that has a distal end face (18) in c...  
WO/2019/116480A1
A two-stage indirect seating structure for performing assessment using air leakage with the movement of a rod that is placed in contact with a workpiece, the structure comprising: a first operation chamber and a second operation chamber,...  
WO/2019/109117A1
The invention relates to a machine tool (1), comprising: a spindle head (3), having a housing (5) and a tool spindle (4), which is rotatably held in the housing (5) by means of a spindle bearing (6), the tool spindle (4) having a tool re...  
WO/2019/106767A1
The present invention makes it possible to cut a workpiece more easily in a shorter time, said workpiece having a more complicated shape. This jig includes: a first angular position displacement means that displaces a first material to a...  
WO/2019/107142A1
The present invention is provided with a plurality of master jaws 20 which radially slide on the front surface of a body 10 in association with sliding of a plunger 40. The body 10 includes a housing chamber 11 which is connected to a pl...  
WO/2019/108539A1
Portable, hand held, battery operated, hydraulic tools are provided with a tool frame and one or more interchangeable working heads. When the working head is connected with the tool frame, a piston actuated by a hydraulic system within t...  
WO/2019/101943A1
The invention relates to a tool (10) for machining a workpiece, comprising a cutting head (12) which has a sleeve (16) and a cutting element (18) fixed to the sleeve (16), and comprising a holder (14), to which the cutting head (12) can ...  
WO/2018/057852A3
The present invention is an apparatus, system and method for a new and improved coiling head utilized in wrapping elongated materials, which may have a zero and or near zero gap between leaves thereby reducing and or elimination indentat...  
WO/2019/087177A1
A rotary cutting tool (20) includes a cutting head (22) and a tool shank (24), each having an axial abutment surface (66, fig. 3; 102, fig. 6) and a plurality of drive surfaces (52, fig. 3; 88, fig. 6). One of the two (22, 24) includes a...  
WO/2019/086696A1
The invention relates to a rock-drilling arrangement (10), comprising a drilling body (14) with a drilling-body-receiving adapter (12) for connection to a drilling machine, the drilling body (14) comprising a shaft (32) with an outer con...  
WO/2019/086695A1
The invention relates to a rock-drilling arrangement (10), comprising a drilling body (14) with a hard metal element (34) attached thereto, and a drilling-body-receiving adapter (12) for connection to a drilling machine, the drilling bod...  
WO/2019/077597A1
The inventions relates to an undersized (miniature) indexable cutting insert (14, 114, 214) devoid of a through bore; the cutting insert (14) comprising exactly three main cutting edges (58, 158, 258). The cutting insert (14, 114, 214) c...  
WO/2019/074612A1
A linear friction welding machine having a two-piece collet for holding a workpiece. The two-piece collet includes first and second halves that can be separated for loading the workpiece in a transverse direction, and brought together ab...  
WO/2019/072332A1
The invention relates to a collet (10) comprising a plurality of clamping jaws (20) movable relative to one another, at least one recess (22) provided in one of mutually facing side faces of adjacent clamping jaws (20), and a spring inse...  
WO/2019/052982A1
The invention relates to a threaded insert (3) for securing a tool provided with a securing thread in a tool receiving area (1). The threaded insert (3) contains a receiving opening (16) with an inner thread (17) for screwing in the tool...  
WO/2019/043887A1
[Problem] To improve measurement of hydraulic pressure in a working fluid chamber of a hydraulic clamp device in such a way that the measurement can be performed without requiring the replacement of a battery or the connection of a lead,...  
WO/2019/038146A1
The invention relates to an interface between a collet holder (300) and a tool adapter (500 - 504). The collet holder (300) comprises an inner cone (310), a flat surface (311), and an outer thread (230) for a tensioning nut (401), wherei...  
WO/2019/036734A1
The invention relates to a device for clamping a workpiece with a receiving head (1), which is rotatably mounted in a housing (3) and which is connected to a rotary drive by means of a rigid drive connection between a drive motor (4) and...  
WO/2019/034492A1
The invention relates to a portable milling machine (100) having a housing (10), a spindle (20) and a clamping nut (40) which, as part of a tool receptacle (30), is connectable in a rotatable manner to the spindle (20) and releasable fro...  
WO/2019/034620A1
The invention relates to a tool holder (28) for a tool (22) for machining workpieces, having a tool holder body (52), which defines a tool holder longitudinal axis (30), on which a tool receptacle (54) for fixing a tool (22) is formed an...  

Matches 1 - 50 out of 15,545