| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 409234000 | With cutter holder | 34 |
| 20080310929 | TOOL AND METHOD FOR MACHINING A WORKPIECE, SUCH AS A MILLING TOOL FOR MACHINING A WORKPIECE, AND THE METHOD THEREOF - Tool and method for machining a workpiece, such as a milling tool for machining a workpiece, and the method thereof. The abstract of the disclosure is submitted herewith as required by | 12-18-2008 |
| 20090003954 | MACHINE TOOL - An exemplary machine tool includes a base and a drill for machining a specimen mounted on the base. The drill includes a main rotator and a bit holder mounted to the main rotator. The bit holder has a first rotator and a second rotator rotatably mounted to the bit holder. A rotate speed of the first rotator is different from that of the second rotator. The machine tool has high precision and efficiency. | 01-01-2009 |
| 20090003955 | MACHINE TOOL - An exemplary machine tool includes a base and a drill for machining a specimen mounted on the base. The drill includes a main rotator and a bit holder mounted to the main rotator. The bit holder has a first rotator and a second rotator rotatably mounted to the bit holder. A first bit is mounted on the first rotator. A second bit is mounted on the second rotator. The machine tool has high precision and efficiency. | 01-01-2009 |
| 20090022563 | System for removing boiler tube stubs - A rotary milling head for boiler tube stub removal with cylindrical cutting pieces removably secured to the milling head by forces exerted by the material being cut and by friction, without any separate securing element. | 01-22-2009 |
| 20090087277 | DUAL-CONTACT TOOL HOLDER FOR LATHE/MILLER - A dual-contact tool holder is provided for a lathe/miller, including a tool seat having an inner circumferential surface in which a circumferential groove is defined and an operation barrel having a circumferential surface in which holes are defined for receiving therein steel balls. The operation barrel forms a central bore in which a connection bar is movably received. A lid is mounted to an upper end of the operation barrel. The connection bar is coupled to a draw bar of a ram, whereby the draw bar of the ram, when caused to move upward, drives the operation barrel upward via the connection bar, causing the steel balls to move upward and tightly engage the inner circumferential surface of the tool seat to generate a dual constraint force for enhancing the fixing of a tool rest. | 04-02-2009 |
| 20090092456 | CUTTER SUPPORT AND CUTTER HEAD - The invention relates to a cutter support for fixing in a cutter head, comprising a shaft-like bar and a head with integrated cutters with minor cutters formed from a cutting surface and a free surface. According to the invention, a chamfer adjacent to the minor cutter is arranged on the free surface with a chamfer width decreasing outwardly to 0. | 04-09-2009 |
| 20090129883 | CLAMPING ELEMENT FOR TOOL HOLDERS - The invention concerns a clamping element of a coupling device for releasably but axially and rotationally fixing tool components for dry machining (MMS technology) and for wet machining. The element provides a friction-type connection between the components to be coupled. A cooling tube is arranged at the center of the coupling device. The spindle is provided with an elongated hole run through which cooling tube passes. A variable contour between the base body and the clamping segment enables an increase in distribution of forces for the support of the clamping segments. The novel geometry of the clamping segments results in novel contours in the base body with smoother transitions, hence a better force distribution, thereby reducing material breakage and a more reliable and robust clamping. By virtue of their novel geometry, the clamping segments have an increased surface enabling larger clamping screws to be used. | 05-21-2009 |
| 20090155011 | ROTARY TAPERED TOOL HOLDER WITH ADAPTER SLEEVE - A rotary tapered tool holder includes a body and an adapter sleeve disposed about a portion of the body. The body and the adapter sleeve have front and rear contact surfaces with different taper angles. The front contact surfaces are optimized for an interference fit and the rear contact surfaces provide an axial stop and support band when the tool holder is assembled into a clamping receptacle. Face contact is achieved between a flange contact surface of the body and a face contact surface of the clamping receptacle. | 06-18-2009 |
| 20100054888 | Cutter Holder - A cutter holder has a holder body and a sleeve. The holder body has a first end, a middle, an insert part and a mounting part. The insert part is formed on the first end. The mounting part is formed on the middle of the holder body and has an outer thread formed around the mounting part. The sleeve is mounted around the mounting part and has an inner thread, multiple screw holes and multiple setscrews. The inner thread is formed on an inner surface of the sleeve, is screwed with the outer thread of the mounting part. The screw holes are separately defined through the sleeve. The setscrews are mounted in the screw holes and abut the mounting part. | 03-04-2010 |
| 20100226729 | Cutting head for a milling machine for manufacturing ophthalmic lenses made of plastic - A milling head for a milling machine for producing synthetic spectacle lenses, comprising a rotational axis, a coupling part for tensioning into a milling spindle chuck, a shoulder which connects to the coupling part with a contact surface for the milling spindle chuck, a shaft which is connected to the shoulder and a blade collar with an outer diameter D which is connected to the shaft and which comprises several cutting plates with a radius R, wherein between the blade collar at the height of the outer diameter D and the contact surface, a free length L is provided. The measurement of the free length L in relation to the measurement of the outer diameter D and the measurement of the radius R fulfills the following condition: ILI=0.18 (IDI−2IRI)+54±a, with a maximum deviation a of 3. | 09-09-2010 |
| 20100247263 | Exchangeable cutting head and cutting tool having the same - An exchangeable cutting head that is inserted into a mounting hole formed on a tool body, screwed on a mounting screw section provided on a bottom portion of the mounting hole, and is attached removably to the tool body, the exchangeable cutting head includes: a cutting head body including: a cutting portion provided at a front-end section; a mounting portion provided at a rear-end section and inserted into the mounting hole; and an engaging hole having an inner-peripheral face on which a recessed portion is formed, the cutting head body being made of a hard material; and a connection member including: a shaft portion that is inserted into the engaging hole, includes an outer periphery attached firmly to the inner-peripheral face of the engaging hole, and is engaged with the inner-peripheral face; a head screw section screwed with the mounting screw section; and a hole section formed inside of the head screw section and the shaft portion and along a center line of the shaft portion, the connection member being made of a metal material having a degree of hardness lower than a degree of hardness of the hard material and the connection member being connected to the cutting head body. | 09-30-2010 |
| 20100303572 | Lathe-mounted tool-holder - An adaptive device for use as a tool holder for manual and computer numerical controlled lathes is provided to retain and use tools of various sizes, including those intended for use on CNC lathes and on mills. The device includes a sleeve, which includes an inner-tapered surface, a neck and an opening, and a threaded member sized to fit through the neck in the opening. The adaptive device may further include one or more shoulders and/or grooves on the exterior of the sleeve, and/or a retaining member fitted to the threaded section, and may include an embodiment where the sleeve is integrated into a tool holder and/or where the threaded member is constructed to permit fluid flow into the tool holder. | 12-02-2010 |
| 20100316459 | TOOL COUPLING - The invention relates to a tool coupling for connecting a tool carrier which can be driven in a rotating manner, in particular a milling tool with a machine spindle or an adapter connected to a spindle, wherein four drivers in a crosswise formation are provided for transmitting torque between the said parts and in the clamping state engage in four recesses. To allow the tool coupling to be easily operated and to be of a simple construction, and also to counteract undesired jamming, it is proposed that the drivers respectively have on the side transmitting the torque a planar face which lies with full surface-area contact against a wall of a groove-shaped recess in the clamping state, that on the opposite side the driver has a smaller positively or frictionally engaging contact with the wall there of the groove-shaped recess and that a quick-acting clamping device is provided for the axial clamping of the tool carrier and the spindle or an adapter. | 12-16-2010 |
| 20110085871 | Coupling Mechanism For Connecting A Toolholder Assembly And A Machine Tool - A coupling mechanism for connecting a toolholder assembly and a machine tool. The coupling mechanism includes a first component configured for removably securing the toolholder assembly to the machine tool, wherein the first component includes an axial forward end defining a bore that extends axially to an axial rearward end of the first component to form an inner surface of the first component, the first component having a plurality of apertures disposed circumferentially thereabout that extend from an outer surface of the first component to the inner surface of the first component. The coupling mechanism further includes a second component integrally formed with the first component and configured for interacting with the machine tool to position the toolholder assembly relative to the machine tool, wherein the second component defines a positioning groove on an outer surface thereof. | 04-14-2011 |
| 20110129313 | Tool Holder and Method for Assembling the Same - A tool holder includes a drawing screw and a stopper member. The drawing screw is positioned in an intermediate hole. A rear end face of a head of the drawing screw faces a boundary wall surface, and a top end of a shaft of the drawing screw is screwed in a rear end of a collet. The stopper member is positioned in an annular space between an outer peripheral surface of the shaft of the drawing screw and an inner peripheral surface of the intermediate hole. The stopper member faces a front end face of the head of the drawing screw, and limits movement of the head toward a top end of the tool holder. The drawing screw and the stopper member are inserted and assembled from a top end opening of a collet holding hole. | 06-02-2011 |
| 20110158759 | TOOL HOLDER HAVING A COLLET HOLDER AND A TOOL INSERT FOR USE IN A TOOL HOLDER - A system is proposed that is made up of a tool holder | 06-30-2011 |
| 20110194907 | Tool Clamping Mechanism - A tool clamping mechanism connects a first member to a second member. The first member has a cylindrical stem with a coupling tooth projecting from the stem. The second member has a clamping cavity formed by the union of a gripping bore and an access hole. The access hole has an access bore and a tooth access hole formed to accommodate the stem and the coupling tooth respectively. The stem diameter of the stem is larger than the gripping bore diameter of the gripping bore. The clamping cavity further has a coupling recess for accommodating the coupling tooth. The coupling recess has a drive surface for engaging a driven surface located on the coupling tooth to create a force which pushes the stem from the access bore into the gripping bore and helps prevent separation of the two members. | 08-11-2011 |
| 20110200408 | Tool Coupling - In a tool coupling in the form of a cutting tool used for internal machining operations, a second component having a single cutting portion is clamped to a first component by means of a clamping screw. The second component has a mounted surface with three male engaging members interfacing with three female engagement members on a mounting surface of the first component. Each of the three female engagement members has two sets of side surfaces located on a shared portion, the shared portion exhibiting mirror symmetry about a first plane, and each set of side surfaces having two opposing flank surfaces separated by the first plane. Only one of the two flank surfaces of each of the two sets of side surfaces is in clamping contact with a corresponding abutment surface on each of the three male engaging members. | 08-18-2011 |
| 20120057946 | HOLDING APPARATUS FOR CUTTING TOOL - In order to prevent a cutting tool from being detached from the holding device towards a bladed part-side when holding a standard cutting tool in the holding apparatus, a focus was placed on a diameter of a shank of the standard cutting tool which is larger than that of a bladed part-side cylindrical portion. A pressing portion pushes a retaining ring along a slope in a tool inserting hole towards its base end side so that an outer periphery of the retaining ring shrinks and an inner diameter of the retaining ring becomes smaller than the diameter of the shank. | 03-08-2012 |
| 20120093607 | Core joiner and cutter apparatus - An automatic core joiner and cutter apparatus for use in the recycling of used cores and the manufacture of new conjoined cores is disclosed. The apparatus combines an infeed unit, a milling unit, and an outfeed unit, all controlled by a PC. The infeed unit includes at least two infeed rollers for supporting a used core member. An infeed pusher bar moves these core member into and out of contact with the milling unit. The outfeed unit includes at least two rollers for supporting a core remnant. An outfeed pusher bar moves the core remnant into and out of contact with the milling unit. The milling unit, positioned between the infeed and outfeed unit includes an infeed cutter and an infeed milling bit, an outfeed cutter and an outfeed milling bit. The infeed cutter removes the damaged end of the used core and the outfeed cutter removes the damaged end of a core remnant. The used core is milled by the infeed milling bit and the core remnant is milled by the outfeed milling bit. A glue applicator applies glue to at least one of the milled surfaces and the milled surfaces are mated together to produce a new conjoined core. The infeed cutting and milling operations and the outfeed cutting and milling operations are controlled by the controller and performed at the same time. | 04-19-2012 |
| 20120155981 | Cutting tool with an eccentric drive and pinned fastener with de-binding release feature - A cutting tool assembly having a tool holder and a cutting tool. The cutting tool has a shank that is matingly received within an axial bore in the lower end of the tool holder. The shank includes an eccentrically-shaped driver portion. The tool holder's axial bore includes an enlarged eccentrically-shaped drive opening which is complementary in shape to, but slightly larger than, the driver portion. When the shank is inserted into the axial bore, the driver portion and drive opening are aligned allowing the cutting tool to be partially rotated relative to the tool holder. This partial rotation abuts a portion of the eccentric driver portion against the drive opening wall to provide rigid support of the cutting tool against further rotation as the tool assembly cuts. A cammed fastener releasably interlocks the partially rotated cutting tool within the tool holder. | 06-21-2012 |
| 20120163936 | Cutting Tool Having a Shank-Mounted Adjustment Ring - A cutting tool has a shank with a circumferential groove and an adjustment ring releasably secured to the shank at the groove. The adjustment ring has a threaded through bore in which a screw is screw mounted and engages the groove. The adjustment ring has an adjustment member which engages the groove and which is positioned diametrically opposite the threaded through bore. When the screw is tightened it exert a purely radially directed force on the groove thereby inducing displacement of the adjustment member radially inwardly and the adjustment member exerts non-radially directed forces on the groove, thereby inducing a bending moment on the shank for correction of radial runout. | 06-28-2012 |
| 20120219375 | Tool holder, and tool system with a tool holder and a tool - The tool holder ( | 08-30-2012 |
| 20120230794 | TOOL FOR TURN/TURN BROACHING OR EXTERNAL MILLING - A tool for the turn/turn broaching or external milling of a workpiece is disclosed. The tool comprises a disk-shaped broaching wheel or at least one segment of such a broaching wheel. In each case at least one cutting-tip holding fixture for receiving a cutting tip is provided on the end faces of the broaching wheel or segment laterally adjoining a circumferential surface. On at least one of the two end faces, the or each cutting-tip holding fixture is formed in a cartridge which is axially adjustable with respect to the broaching wheel or segment by an axial clamping wedge. The cartridge is designed in such a way that it at least partially covers the axial clamping wedge in a direction towards the circumferential surface. | 09-13-2012 |
| 20130115023 | Tool Holder - A tool holder comprising a base element, a deformable receiver for clamping a tool and at least one locking element configured for preventing an axial extraction of the tool from the tool holder through engaging a corresponding opposite element at the tool, wherein the at least one locking element is integrally configured in one piece with the receiver. | 05-09-2013 |
| 20130230361 | ROTATIONAL LOCKING COLLET MACHINE TOOL HOLDER - A machine tool assembly has a tool holder, a cutting tool, a collet, and a collet nut. The tool holder defines a keyed recess having multiple corners and/or multiple flats formed around an inner surface of the keyed recess. The keyed recess can be integral with the tool holder or can be a separate positioning chuck rotationally and axially secured within the tool holder. The cutting tool is inserted into the collet and has multiple edges and/or multiple flats formed on a keyed end of shank that are matingly received by the keyed recess to prevent relative rotation between the tool holder and the cutting tool and make the cutting tool rotationally and axial fixed within the tool holder. The keyed recess includes a spacer preventing the keyed end of the cutting tool from contacting a base of the keyed recess, thereby preventing radial misalignment of the cutting with the axis of the tool holder from the axial translation and force applied during tightening of the collet nut and collet. | 09-05-2013 |
| 20130243541 | COMBINED THERMAL FIT AND ROTATIONAL LOCKING MACHINE TOOL ASSEMBLY - An illustrative embodiment of a machine tool assembly has a tool holder, a keyed recess, and a cutting tool. The assembly prevents relative rotation and substantially reduces eccentricity between a cutting tool and a tool holder. The tool holder has a receiving bore axially formed at the tool end of the tool holder. The keyed recess is at the base of the receiving bore. The keyed recess has multiple corners formed around an inner surface of the recess. The cutting tool has a cylindrical shank and multiple edges formed on the machine tool end of the shank. The cylindrical receiving bore has diameter that is less than the diameter of the tool shank so that a thermal transitional fit is provided. Coupling of the cutting tool and holder includes heating the holder until the diameter of the bore expands sufficiently to receive the tool shank. When inserted within the bore of the holder and into the keyed recess, the multiple edges of the cutting tool abut with the multiple corners of the recess. | 09-19-2013 |
| 20130266392 | PIN MILLER INSERTS AND A CUTTER USING SAME - An indexable hexahedral cutting insert has opposing top and bottom abutting faces, opposing rake faces connecting to opposing side faces, and a central hole passing through the abutting faces. Each rake face is wider in the top-to-bottom direction at a different one of the side faces. Arcuate corner portions with one-directional curvature are formed along intersecting portions between the abutting faces and the side faces. Each abutting face has first and second wedge-shaped inclined planes adjoining and inclining toward corresponding first and second rake faces. Each inclined plane has a base side at a cutting edge formed at the border with one of the rake faces, and a width which gradually increases from one corner portion to the opposite corner portion along the abutting face. Each corner portion has an associated inclined arcuate surface adjacent to the wide end of the wedge-shaped inclined planes. | 10-10-2013 |
| 20130309035 | Milling Collet Having Pull-Out Preventer for Retaining a Fluted Milling Tool - A pull-out preventer and milling collet that includes the pull-out preventer. The pull-out preventer is configured to prevent axial migration of a fluted milling tool out of the milling collet. The milling collet includes a through-hole extending from a rear-end aperture to an opposing cutting-end aperture of a basic body thereof. The pull-out preventer is located at the cutting-end aperture of the basic body. | 11-21-2013 |
| 20130322980 | Shank Structure of End Mill and Tool Holder - In a shank portion of an end mill which is chucked by a tool holder, flat surfaces are formed at a plurality of circumferential positions in the outer periphery of the shank portion so that the flat surfaces abut on side lock bolts attached to a body of the tool holder. | 12-05-2013 |
| 20140099171 | INTEGRATED CLAMPING SYSTEM FOR MACHINE TOOLS - An integrated clamping system for a machine tool includes a male locating taper and a tool holder integrally formed therewith and extending therefrom. The male locating taper is configured to be received by a female tapered holding fixture of the machine tool. The tool holder has an axial bore for slidably receiving a machining tool. The male locating taper is also provided with a circumferential groove for receiving cam lobes of a locking cam nut to secure the machining tool to the machine. | 04-10-2014 |
| 20140212237 | FAST KNOCKDOWN CUTTING TOOL ASSEMBLY - A cutting tool assembly includes a mandrel member and a cutting tool. The mandrel member has a shaft rod and a slide sleeve fitted around the shaft rod. At least one alignment pin is mounted in the shaft rod and at least one engagement pin is disposed in the slide sleeve. At least one locking member is disposed between the shaft rod and the slide sleeve. The cutting tool has a shank body and a tool bit. At least one alignment sink is disposed on the shank body. When assembled, the shank body is plugged into the shaft rod to align the alignment pin with the alignment sink so as to release the slide sleeve from the engagement of the engagement pin, permitting the slide sleeve to move to a locking position where the locking member is latched with the cutting tool. | 07-31-2014 |
| 20140212238 | Side Milling Arbor With Quad Drive Key Assist - A side milling cutter arbor for mounting a selected milling cutter on a vertical milling machine that includes first, second and third interconnected members. The first member has a generally cylindrical body portion and a reduced diameter shank portion connected to the body portion. The body portion is provided with a longitudinal bore having a first portion having a key way and a second portion, the second portion being generally rectangular in cross-section. The second member has a flange portion, an intermediate portion having a key receivable within the key way and an end portion, the end portion being generally rectangular in cross-section and being closely receivable within the second portion of the longitudinal bore of the first member. The third member functions to removably interconnect the first and second members. | 07-31-2014 |
| 20150030407 | TOOL SHANK - The tool shank contains a taper member, a flange member, a holder member, a clamped member, and a number of slits. The taper member has a conic shape extended along an axial direction with a top section and a bottom section. The flange member is beneath the bottom section of the taper member. The holder member is extended downward from a bottom side of the flange member along the axial direction. The clamped member is extended upward from the top section of the taper member. The slits are configured at intervals around the bottom section surrounding the axial direction. Each slit defines a slightly outwardly bulge. The bulges increase the contact area with and avoid gaps to a tapered socket of a spindle. As such, the tool shank is tightly jointed to the spindle during high-speed rotation without causing vibration and damage. | 01-29-2015 |
