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| Number | Title | Issue Date |
| 8123444 | Coolant supply The apparatus for supplying a cooling fluid to the outer surface of a tool consists of a guide element which surrounds the tool shank and gives rise to a laminar coolant flow. ... | 02/28/2012 |
| 7972096 | Spindle device of machine tool The present invention provides a cartridge-type spindle device having an easily separable structure despite the fact that it comprises a rotary joint for a through spindle coolant device. In the cartridge replacement type spindle device (11), front bearings o... | 07/05/2011 |
| 7931427 | Programmable cutting tool coolant apparatus A programmable apparatus for cooling cutting tools including a pair of channels formed in the apparatus and formed from a pair of circular channel members, a nozzle associated with each channel to direct fluid onto the cutting tool, and control means to selectively ... | 04/26/2011 |
| 7896591 | Tool holder assembly A tool holder assembly including a cutting tool, a tool holder, and an adapter. The cutting tool includes a fluid passage and an end portion. The tool holder includes a conduit and a bore adapted to receive the cutting tool. The adapter includes a tool receiving por... | 03/01/2011 |
| 7883302 | Machine tool A cutting tool holder unit is composed of a cutting tool holder adapted to detachably mount a cutting tool thereon, and a front cover of a flange shape slidably fitted into a side of the cutting took holder mounted on a multi-spindle head. A groove formed on the inn... | 02/08/2011 |
| 7537422 | Cutting tool and adaptor An adaptor (20, 76, 104, 106) secures a cutting head (16) to a tool holder (12, 14) having a passage for fluid. The adaptor (20, 76, 104, 106) has a corresponding passage (68, 94) for fluid to which a nozzle (22) is connecte... | 05/26/2009 |
| 7494306 | Rotary cutting machine A rotary cutting machine 10, if inclined at large angles, provides positive supply of a cutting oil and avoids leakage of the cutting oil. The machine 10 has a machine body 14 and an arbor 18. An oil tank 50 is mountable to the mac... | 02/24/2009 |
| 7422219 | Interface of a tool An interface of a tool is proposed with a first part serving as a seat having a female taper, which part has a first conduit section located concentrically to its center axis, a second part having a hollow shaft taper introduceable into the recess, which part has a ... | 09/09/2008 |
| 7419340 | Drain cleaning apparatus Disclosed is a method and an apparatus for removing by-product chips, in existing CNC machining center. The apparatus is using parasite driven rotating carousel, capable of moving chips away from the drain of an existing machine. There is a possibility of installing... | 09/02/2008 |
| 7371036 | Tool holding device and method for positioning a tool Disclosed is a tool holding device (22, 50, 58) for retaining a tool (24) on a tool chuck (20). Said tool holding device (22, 50, 58) comprises a tool-accommodating area (32, 52, 66) for at least partly receiving the tool (24 | 05/13/2008 |
| 7367762 | Main spindle apparatus and tool holder clamp unit used therefor A main spindle apparatus has a main spindle having a through hole, a main spindle head rotatably supporting the main spindle therein, a tool holder clamp unit including an unit main body having a tool mounting hole to which a tool holder is mounted, a clamp mechanis... | 05/06/2008 |
| 7360977 | Machine tool gear mechanism A machine tool transmission, in particular a spindle transmission, with which the force and/or the torque transfer from an output shaft (3) of a transmission (1) takes place directly on a spindle (15). The spindle (15) is placed co-axiall... | 04/22/2008 |
| 7357607 | Tool holder A tool holder is provided that is configured to deliver coolant to a work piece and/or a cutting tool. The tool holder includes a tool mounting aperture for receiving a shank of a cutting tool, and an axially extending central passage for receiving coolant deliver t... | 04/15/2008 |
| 7338606 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 03/04/2008 |
| 7334969 | Methods of drill nozzle use and manufacture In an embodiment, a drill nozzle includes a housing having a bristle brush ring attached. The housing of the drill nozzle may include an air intake, multiple coolant inlets, multiple coolant jets, a vacuum tube, and mounting flanges. The air intake may provide a thr... | 02/26/2008 |
| 7328639 | Tile saw A tile saw includes a base, a frame assembly disposed on the base, a first rail disposed on the frame assembly, the first rail having a longitudinal axis, a table slidingly disposed on the first rail, a support assembly disposed on the base, a saw assembly supported... | 02/12/2008 |
| 7326010 | Motor spindle A motor spindle for machine tool. The motor spindle having a spindle housing mounted on a machine part, a work spindle supported in the spindle housing in axially spaced roller bearings, an electric drive motor the stator of which is fixed in the spindle housing and... | 02/05/2008 |
| 7322779 | Interface between two parts of a tool system The invention relates to an interface between two parts of a tool system, in particular to a metal cutting tool (1). Said interface comprises a holder (3) provided with a cavity (31), an interchangeable head (5) which is arranged on the a... | 01/29/2008 |
| 7322429 | Portable drilling machine A portable drilling machine includes a housing; a drill chuck positioned on a front surface of the housing; a drill bit detachably coupled to the drill chuck; a driver positioned inside the housing to provide either the drill bit or the drill chuck with a rotational... | 01/29/2008 |
| 7318692 | Spindle for a machine tool with improved tool ejection feature A spindle unit for a machine tool includes a drive unit having a drive shaft and a spindle head assembly constructed for receiving a tool and having a hollow spindle head shaft driven by the drive unit. Arranged for axial displacement in the hollow spindle head shaf... | 01/15/2008 |
| 7305897 | Sample machining device and sample analysis device The invention relates to a sample machining device, in particular for preparing samples for OES and/or XRF and/or combustion analyses, having at least one sample holder, and to provide a development which is advantageous in use proposes that the machining device inc... | 12/11/2007 |
| 7293943 | Tool holder In a tool holder, when oil supplied via an oil supply passage and an oil introducing passage reaches an atomizing space, the oil is atomized by an air flow of carrier gas consisting of compressed air, and then water supplied from a water supply passage and a water i... | 11/13/2007 |
| 7278196 | Interlocking tool holder An end mill chucking structure for chucking an end mill. The chucking structure includes an end mill holder; a shank receivable in an axial opening in the holder; a cone having an exterior cone shape adapted to be received in a drive spindle and an axial opening tha... | 10/09/2007 |
| 7275468 | Rotary fast tool servo system and methods A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an... | 10/02/2007 |
| 7275899 | Machining apparatus with coolant-operated clamp device Machining coolant/lubricant is used to operate a piston of a clamping-side coupler by feeding same via a coolant feed passage to a clamping pressure chamber through a first check valve and a clamping pressure fluid passage. The same coolant/lubricant is discharged f... | 10/02/2007 |
| 7266903 | Method for correcting thermal displacement in a machine tool A thermal displacement correction method is provided, including the steps of presetting coordinate data for a fixed position of a workpiece on a table, finding an amount of displacement of the fixed position of the workpiece at a current cutting edge position based ... | 09/11/2007 |
| 7261302 | Collet and lock nut assembly A collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a plu... | 08/28/2007 |
| 7244082 | Method and arrangement for processing thin sheets and thin-walled plates or shells that are curved singly or doubly The invention relates to a method for machining thin sheets and thin-walled, single or two-fold curved, three-dimensionally shaped sheets, plates, or shells, in particular, by material-removing machining methods, such as milling and drilling. In the method, a vacuum... | 07/17/2007 |
| 7244083 | Cutting head assembly A cutting head assembly for use in cutting plate glass has a simplified drive train, all positioned about the vertical rotational centerline. The drive train includes a hollow bore drive motor having a drive adaptor directly engaged with a spline shaft that extends ... | 07/17/2007 |
| 7244080 | Quick-change insert for tools, especially for thread drills The present invention relates to a quick-change insert (10) for tools (11), in particular thread drills (12), for minimal lubrication, that is designed for detachable installation in a chuck (30) provided with a central lubricant channel ... | 07/17/2007 |
| 7241087 | Core bit In a core bit formed with a boring blade at a front end thereof and integrally formed with a mounting portion, at a rear end portion thereof, formed with a guide portion in a cylindrical shape mounted to a chuck portion formed at a concrete drill, a ring-like seal m... | 07/10/2007 |
| 7234902 | Milling tool holder with camming plug A milling tool holder apparatus includes a tool holder having a male structure received in a female opening of a shank, and a camming plug received in a transverse plug-receiving opening in the shank and the tool holder. Turning the camming plug in one direction mov... | 06/26/2007 |
| 7226256 | Machine tool having inbuilt water supplier A machine tool includes a base having a spindle rotatably attached to a support for supporting a tool member, and a fluid supplying device for supplying fluid into the spindle, for cooling purposes. The fluid supplying device includes a housing secured to the suppor... | 06/05/2007 |
| 7220089 | Tool mounting device for turning center To provide a tool mounting device for a turning center that allows a rotating tool to be clamped/fixed using a shared clamp mechanism (8), and a turning tool (1B) to be clamped/fixed in an engaged/locked state in a turning center. In the turning center... | 05/22/2007 |
| 7214012 | Multi-shaft spindle head of machine tool A multi-shaft spindle head, wherein a plurality of spindles (11) having tools at the tips thereof are disposed in the same direction, the rear ends of cutting fluid feed passages (21a) formed as the inner holes of cutting fluid feed tubes (21... | 05/08/2007 |
| 7214013 | Dust extraction device for machine tools A machine tool equipped with a supporting body and at least one tool-holder spindle, rotatable about a respective axis, also has a built-in dust extraction device comprising an extractor hood located in close proximity to the spindle and presenting a suction port po... | 05/08/2007 |
| 7210881 | Sleeved stop for a drill bit A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one i... | 05/01/2007 |
| 7207754 | Tool for machining workpieces A tool for the machining of workpieces is provided with a coolant/lubricant supply and an actuation unit for the activation of supplementary functions of the tool, with an actuation element and an actuation medium circuit. The actuation unit is separated from the co... | 04/24/2007 |
| 7207755 | Tool arrangement and tool for chip removal In a cutting tool arrangement and a tool for chip removing machining, the cutting tool arrangement comprises a tool, fastening arrangement, and a shank. The tool is a one-piece unit. The axial channel is of non-circular cross-section to provide a key grip. An end of... | 04/24/2007 |
| 7192226 | Shrink fit holder and methods of drilling and reaming A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr... | 03/20/2007 |
