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| Number | Title | Issue Date |
| 7351130 | Sanding machine having adjustable brush A sanding or polishing or grinding machine includes one or more sanding wheels supported on a machine base and movable up and down relative to the machine base for grinding the work pieces of different heights or thicknesses. A driving device may be used for driving... | 04/01/2008 |
| 7334331 | Methods and apparatus for machining components A method of using a machining assembly to machine a plurality of different turbine components that include a dovetail having a contoured profile. The method includes removably coupling a first set of retainers into the machining assembly, the first set of retainers ... | 02/26/2008 |
| 7322876 | Apparatus for preparing a tire surface for application of a patch An apparatus is provided for use in preparing the inner surface of a tire for the application of a patch so that, for example, the tire may be equipped with various electronic devices. The apparatus facilitates improved operation of a grinder or buffer so that the g... | 01/29/2008 |
| 7273406 | Glass treatment system and method A system for abrading and scoring glass. An abrading/scoring station includes a table for supporting a large sheet of glass on a generally flat support. A first tool support moves an abrading tool for abrading a coating material from the glass. A second tool support... | 09/25/2007 |
| 7252579 | Apparatus and process for cylindrically grinding workpieces An apparatus for cylindrically grinding workpieces includes a first holding tool (10), a second holding tool (12), and a grinding wheel (14). The first holding tool is configured for positioning un-ground workpieces (18), and the first ho... | 08/07/2007 |
| 7172498 | Drill sharpener A drill sharpener is provided which has a point-splitting port which simplifies the procedure for producing a split point on a drill bit undergoing sharpening. The point-splitting port is positioned relative to a grinding wheel assembly such that, when the drill hel... | 02/06/2007 |
| 7147546 | Tool holder with moveable alignment finger Method and apparatus for facilitating sharpening of a tool. A tool holder is provided to present the tool for sharpening against an abrasive member, such as a grinding wheel. A moveable jaw member preferably engages a side of the tool to align the tool with a refere... | 12/12/2006 |
| 7121932 | Portable drill sharpener A portable drill sharpener includes a casing, a sand-wheel, a positioning device, a first grinding unit and a second grinding unit, a holding member for positioning a drill to be ground, a first adjustment unit and a second adjustment unit respectively connected to ... | 10/17/2006 |
| 7052379 | Methods and apparatus for machining a coupling A method facilitates fabricating a coupling including a first annular coupling member and a second annular coupling member. The method comprises coupling the first coupling member to a machine assembly that includes a plurality of grinding wheels coupled to a tool s... | 05/30/2006 |
| 7044843 | Sander device having vacuuming structure A sander device includes a platform having an orifice, a chamber and one or more apertures formed in an outer surface and communicating with the chamber. A rotatable sander member is extended through the orifice of the platform, for being driven to abrade or polish ... | 05/16/2006 |
| 6994613 | Grinding apparatus with splash protector and improved fluid delivery system A glass grinding apparatus includes a base, a support grid mounted on the base to carry a work piece for grinding, a fluid holder disposed below the support grid, a drive shaft for rotating a grinding bit above the support grid, a power source for rotating the drive... | 02/07/2006 |
| 6971949 | Sharpening guide for dental tools A sharpening guide for a dental tool is provided, with the dental tool having a handle, a working portion, and a shank extending between the handle and the working portion. The sharpening guide includes a guide body and at least one opening formed in the guide body ... | 12/06/2005 |
| 6910959 | Fixture for a grinding or polishing wheel A fixture (1) for guidance of a tool having a cutting edge with respect to the periphery of a rotating grinding or polishing wheel (2), comprising a frame structure that runs along the periphery (6) of the wheel and has a guide formed as a slot ... | 06/28/2005 |
| 6827631 | Center support grinding method, center support grinding machine, and centering method for the centers thereof To provide a grinding machine and a centering method for the centers thereof in which the requisite space for the center support rotating mechanism for a workpiece and the in-feed mechanism is reduced to facilitate miniaturization and in which it is easy to secure t... | 12/07/2004 |
| 6796886 | Apparatus for grinding rigid materials A method and apparatus for processing of planar rigid materials is provided whereby the edges of separate materials can be processed simultaneously, quickly and efficiently. Separate planar materials are moved in position and are clamped in place in horizontal align... | 09/28/2004 |
| 6783444 | Tool for machining surfaces in bores The tool comprises a tool wheel (5) which is mounted on a holding arm (4) and has a tool-wheel parent body (6) having a machining body (7) arranged at the outer margin. In one embodiment variant, this machining body is designed as an abra... | 08/31/2004 |
| 6735805 | Universal bolt cleaning attachment A motor driven and or mounted cleaning attachment manufactured of a rigid material, having no need for adjustment, for the purpose of clearing multiple bolt pitch diameters and lengths. Consist of plates sandwiched and fastened together. Mounting plate manufactured ... | 05/18/2004 |
| 6676494 | Drill bit grinder structure A drill bit grinder structure includes: a seat body having a housing, an arched sideboard with a predetermined curvature being disposed on one side of the housing, a slide slot with a predetermined length being formed on the arched sideboard; a fitting me... | 01/13/2004 |
| 6652367 | Drill bit grinding device A grinding device includes a rotary grinding wheel having an annular grinding surface, a first grinding seat located in front of the grinding wheel, a sleeve disposed rotatably within a through hole in the first grinding seat, an abrasion measuring device... | 11/25/2003 |
| 6520842 | Method of forming tooth grooves A cup-shaped grindstone for grinding an end face of an annular portion of a work to form tooth grooves in the end face includes a grinding portion provided around an outer periphery of a disk portion. Abrasive grains of CBN are electrodeposited on each of... | 02/18/2003 |
| 6443819 | Device for dressing grinding wheels A movable frame assembly to move a device for dressing a grinding wheel for the sharpening an ice skate blade. The device uses a housing surrounding a grinding wheel and movable frame with a swing arm. A dressing tool is mounted in the dresser swing arm a... | 09/03/2002 |
| 6428402 | Glass machining apparatus A glass machining apparatus is provided to machine large-scale glass sheets. The apparatus includes a base plate with an operating use hole, a functional section support with a base end section that pivots on the base plate, a glass machining disk at the ... | 08/06/2002 |
| 6422931 | Fixture apparatus and system A fixture apparatus and system. The fixture apparatus includes a base plate. A clamp block extends from the base plate and has a clamp surface disposed at a first angle from the top surface of the base plate. A locator block extends from the base plate an... | 07/23/2002 |
| 6390900 | Finishing tool for CNC router machines A tool mountable on a high speed spindle of a CNC machine tool, operable to finish a side edge of a flat workpiece positioned directly on a support surface of the machine tool, generally consisting of a member having a shank portion removeably mountable o... | 05/21/2002 |
| 6273785 | Non-contact support for cyclindrical machining A support for supporting a work piece to be machined is provided. The support is for use in a machine adapted to receive fluid from a fluid source. The machine includes a tool for removing material from the work piece. The support includes a body defining... | 08/14/2001 |
| 6241590 | External abrasive machine An abrasive machine for grinding material from an outer surface of a workpiece. The machine includes a rotationally driven casing having an opening at one axial end thereof. The opening is defined by an annular edge which constitutes a grinding wheel. A s... | 06/05/2001 |
| 6200205 | Lapping tool A lapping tool has an elongate shank mechanically coupled to a platform, having a generally planar working surface, by a universal joint comprising a ball and socket. A cavity is provided for entrapping grinding paste. Normally, the parts are made of elec... | 03/13/2001 |
| 6190242 | Universal grinding machine A universal grinding machine having a plurality of workpiece holders, each of which can be moved independently of each other or jointly, by a separate slide, in the longitudinal direction of the workpiece on a slide guide disposed on the machine bed, or w... | 02/20/2001 |
| 6068543 | Miniature all-purpose tool A machine is provided to make possible many precision operations on wood and some metals on a miniature scale for miniaturists, modelers and hobbyists. Said machine, as seen in FIG. 25 comprises a base,200, an x-y table,212,224, a y only table,212, a stat... | 05/30/2000 |
| 5951376 | Procedure of and device for processing optical lenses For two-side processing of optical lenses, the invention provides that blanks to be used for each lens body (7) comprise a chucking extension (18) whereby a single machine is sufficient for implementing the procedure. In addition to workpiece spindles (1,... | 09/14/1999 |
| 5873773 | Glass-plate working apparatus A glass-plate working apparatus 1 includes: a supporting device 7 for supporting a glass plate 6 from a glass plate carrying-in section 2; a main cutter head device 9 for forming a main cut line 8 for bend-breaking on the glass plate 6 supported by the su... | 02/23/1999 |
| 5674110 | Machine and a process for sizing and squaring slabs of materials such as a glass, stone and marble, ceramic tile and the like The machine comprises at least one workpiece-bearing device is provided, upon which a tile or a stack thereof can be placed and blocked. The workpiece-bearing device is revolvable and can be positioned at any angle about a fixed axis. At least one drive h... | 10/07/1997 |
| 5628677 | Apparatus for machining glass An apparatus for machining glass has a housing forming an upwardly open water-holding reservoir, a horizontal screen forming a support surface and covering the housing, a drive motor in the housing having an output shaft extending upward through the scree... | 05/13/1997 |
| 5620363 | Powered grinding tool A powered grinding tool (10) comprising a casing (16) in which is an electric motor (40) which drives a shaft (39) on which is carried a grinding wheel (20) at a work station. The tool casing has undercut slots (24) at opposite sides of its front face for... | 04/15/1997 |
| 5618226 | Apparatus for grinding a reciprocal trimming blade An apparatus for grinding a blade used in, for example, a glass or hedge trimmer including grinder support and a blade mount provided close to each other. The grinder support holds a grinder, which has a round grindstone, in such a manner that the grindin... | 04/08/1997 |
| 5586929 | Precision cut off machine The precision cut off machine (10) includes a spindle shaft (24) rotatably journaled on a platform (12). A motor (30) drives the spindle (24) through a cogged belt (36) trained around cogged pulleys (38 and 40). A flexible abrasive cutting disk (64) is at... | 12/24/1996 |
| 5361544 | Apparatus and method for grinding, polishing and burnishing operations on a stationary workpiece to relieve internal stresses or preclude material flow in the workpiece during operations thereon An apparatus and a method for performing working operations, such as grinding, polishing and burnishing, on a workpiece. A first and a second working tool are disposed for working movement in, respectively a first and second axis in a first plane and a se... | 11/08/1994 |
| 5318005 | Apparatus for cutting plate-shaped workpieces and for edge processing thereof An apparatus for cutting a plate (2) and processing the edges of the cut piece parts (7, 8, 9) has a plate-shaped receiving means (1) for a multiplicity of singly drivable rams (14, 14') adapted to be moved in and out. The rough plate (2) out of which the... | 06/07/1994 |
| 5099617 | Method and apparatus for bevelling interior angles of sheets of colored or non-colored plain glass, plate glass or flattened glass, and the product obtained A method and apparatus for bevelling interior angles of sheets of colored or non-colored plain glass, plate glass or flattened glass, is disclosed. The vertex of the interior angles is bevelled, with assigned rake and bevel angles of the rotary tool, by m... | 03/31/1992 |
| 4984392 | Chamfering the notch of a semiconductor wafer A notch-cut semiconductor wafer whose notch has its both corners entirely chamfered, and an apparatus and method for chamfering the notch as such, which employs a positioning device for positioning the wafer such that the notch of the wafer points in a pr... | 01/15/1991 |
