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| Number | Title | Issue Date |
| 8062100 | Water supply for a hand-held power tool A water supplying device of a hand-held power tool has a water-conveying line and a valve arrangement arranged in the line for controlling the water flow through the line. The valve arrangement has a control valve with a valve body adjustable across a positioning tr... | 11/22/2011 |
| 7713111 | Water supply for a hand-held power tool A device for supplying water to a cutting wheel of a hand-held cut-off machine has a water-conducting line and a valve arrangement arranged in the line. The valve arrangement has a shut-off valve for controlling the water flow flowing through the line. The shut-off ... | 05/11/2010 |
| 7524238 | Method of processing antifriction bearing unit for wheel A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer ... | 04/28/2009 |
| 7520799 | Protective cover for a hand-held cut-off machine A protective cover of a hand-held cut-off machine has a cover member having an interior. At least two injection nozzles for spraying a cooling liquid into the interior are arranged on the cover member. A supply line for supplying the cooling liquid to the at least t... | 04/21/2009 |
| 7510466 | Shaft adapter for grinding cup A shaft adapter for removably mounting to the output or drive shaft of a grinding machine is disclosed. The shaft adapter is a three-component device which includes a collar portion, a compressible drive sleeve and an extension member. The extension member has a fre... | 03/31/2009 |
| 7406962 | Platform minute adjustment, expansion and water collection devices A platform minute adjustment, expansion and collection device for a stone cutter includes a water tank supported by a pair of racks, a pair of guide rods spacedly bridged on the racks, a first water collection plate and a second water collection plate, both of which... | 08/05/2008 |
| 7402095 | Method for removing trip hazards in concrete sidewalks A method for cutting a chamfer on an edge of a concrete slab, the method comprising the steps of: making a generally planar cut, beginning a distance from the edge, with a generally circular, generally laminar concrete saw blade rotatably powered by a right-angle gr... | 07/22/2008 |
| 7393268 | Ring system for guiding a medium in an abrasive disk The invention relates to a ring system for accommodating a medium, to a method for compressing and guiding a medium for use in any known grinding methods for abrasive disks that consist of a support (1) and an abrasive lining (2) disposed on the circum... | 07/01/2008 |
| 7384329 | Coolant delivery system for grinding tools An abrasive grinding wheel having an annular grinding face depending from a substantially circular body includes a tubular inner wall which defines an axial bore configured to convey coolant in a downstream direction therethrough. The inner wall is coupled to a conc... | 06/10/2008 |
| 7377839 | Cover for guiding a medium in an abrasive disk The invention relates to a grinding-wheel cover (3) for grinding wheels with a support body (1) and a grinding layer (2) arranged at an edge or face for edge or face use in grinding, a grinding-wheel cover being provided for forming cavities on ... | 05/27/2008 |
| 7335091 | 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... | 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 |
| 7311100 | Injection and adjusting handle for abrasive cutting-off machine The invention relates to a tool, in particular an abrasive cutting-off machine (1), having a cutting tool (7) and a protective hood (8), partly covering the cutting tool (7) and [lacuna] in its relative position to the cutting tool (7 | 12/25/2007 |
| 7311588 | Water grinder A water grinder including: a housing in which a rotary shaft is drivably disposed, the rotary shaft being formed with an axial passage; a water incoming flow way formed in the housing; a valve disposed in the housing and controllable by a selection switch; an extern... | 12/25/2007 |
| 7294045 | Apparatus and method for edge processing of a glass sheet An apparatus for edge processing of a glass sheet, the apparatus including a shroud, a finishing member and a wiping device. The finishing member is substantially enclosed by the shroud. The apparatus uses pressurized air emitted by at least one slot in the wiping d... | 11/13/2007 |
| 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 |
| 7235003 | Method and apparatus for grinding of concrete floors A method for dry finishing of a floor surface consisting of concrete, stone, marble, terrazzo, densite or other hard materials is disclosed. The method comprises finishing of the floor surface using a cutting, grinding and/or polishing tool. In the method, a vapor o... | 06/26/2007 |
| 7201644 | Apparatus for removing trip hazards in concrete sidewalks An apparatus for cutting a chamfer on an upper edge of a concrete slab includes a hub designed for installation on the threaded output spindle of an angle grinder, and a specially-modified diamond-grit-edged rotary blade which mounts on the hub. For a preferred embo... | 04/10/2007 |
| 7189154 | Orbital sander with liquid dispenser An orbital sander liquid dispenser that includes an adapter that attaches to the head on a sander. Attached to the adapter is a hollow fluid distribution ring with jet openings formed on its bottom surface design to spray a desired liquid onto the working surface. A... | 03/13/2007 |
| 7153187 | Metal machining apparatus and laser-targeted coolant nozzle employed therewith A metal machining apparatus for removal of metal from a workpiece, that employs a laser-targeted coolant nozzle to apply coolant fluid to a machining tool, such as a grinding wheel, to remove metal from a workpiece. The laser-targeted coolant nozzle has a coolant no... | 12/26/2006 |
| 7144312 | Scratch removal tool and system A system for removing scratches from glass windows, windshields and the like utilizing a compound applied to a powered polishing disk/pad which effectively “scrubs” away the scratches. Liquid needs to be applied during the process. To enable the operator to use ... | 12/05/2006 |
| 7134935 | Lubricated razor blade edge sanitizer and sharpener An automatic razor blade sharpener simultaneously sharpens and sanitizes multiple edges of a spring-loaded disposable razor blade cartridge without edge overheating by lubricated gentle contact of the blade edges with a moving rubber or polymeric compliant belt that... | 11/14/2006 |
| 7115018 | Hand held electric polisher A polisher has a polishing disc on a shaft driven by a brushless DC motor driven by a motor controller mounted spaced from the polisher and adjacent a ground fault interrupt circuit and a power plug. Power and control wires form a cord that provides communication be... | 10/03/2006 |
| 7101274 | Method and circuit for inserting a picture into a video picture The present invention is directed to a power finishing tool having a variable position handle. In aspects of the present invention, a power finishing tool includes a motor housing for containing a motor configured to drive a working element. A variable position hand... | 09/05/2006 |
| 7101256 | Machining apparatus using a rotary machine tool to machine a workpiece A machining apparatus includes a rotary machine tool for machining a workpiece. A nozzle jets a coolant for the rotary machine tool. Information which changes based on a position of the nozzle is obtained. The nozzle is moved based on the information obtained. ... | 09/05/2006 |
| 7094136 | Grinding tool for edge circular processing A pair of profile wheels 14, 18 in which concavely shaped grinding surfaces 141, 181 asymmetrical to each other are opposed to each other at right angle so as to form a concavely shaped grinding surface having a substantially semi-circular section, a g... | 08/22/2006 |
| 7086930 | Coherent jet nozzles for grinding application A nozzle assembly and method is configured to apply coherent jets of coolant in a tangential direction to the grinding wheel in a grinding process, at a desired temperature, pressure and flowrate, to minimize thermal damage in the part being ground. Embodiments of t... | 08/08/2006 |
| 7066798 | Adapter for grinding machine Disclosed is an adapter for grinding machine comprising: a grinding shaft sleeve of cylindrical shape whose one end is open and having at least one through hole formed at a selected position of an outer circumference; a grinding shaft rotatably and movably fitted in... | 06/27/2006 |
| 7063608 | Grinding wheel having core body coated with impermeable coating A grinding wheel including: (a) an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together; (b) an abrasive layer which is disposed radially outwardly of said annular core body and which in... | 06/20/2006 |
| 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 |
| 7040969 | Method and apparatus for grinding magnetic member and method and apparatus for treating waste fluid An apparatus for grinding a magnetic member comprises a cutting blade having a cutting edge including heat resistant resin and abrasive grain. A magnetic member including a rare-earth alloy is ground by the cutting blade while grinding fluid primarily made of water ... | 05/09/2006 |
| 7014528 | Grinding machine and grinding fluid supply-nozzle therefor It is one object of a grinding machine and a grinding fluid supply-nozzle therefor according to the present invention to supply grinding fluid to a moving grinding point reliably, even if the surfaces of a grinding wheel is abraded up. A wheel head 5 a... | 03/21/2006 |
| 7008294 | Method and device for grinding a rotating roller using an elastic steady-rest support The invention relates to a device for grinding rollers, also for grinding hollow rollers. As the rollers tend to vibrate transversally as a result of the contact with the grinding disc, a cushioned body is applied to the opposite side of the roller from the grinding... | 03/07/2006 |
| 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 |
| 6991523 | Coolant nozzle A coolant nozzle is used on a machine tool having a rotating bit of convoluted longitudinal profile for cutting a number of slots in a disk. The nozzle includes at least one coolant inlet and at least one coolant outlet. The coolant outlet has a convoluted section a... | 01/31/2006 |
| 6974369 | Grinding water tank unit for eyeglass lens processing and eyeglass lens processing apparatus having the same An eyeglass lens processing apparatus for processing an eyeglass lens includes: a processing chamber inside which a lens grinding tool is disposed; a tank which stores grinding water; a drain hose connecting the processing chamber with the tank; a filter for elimina... | 12/13/2005 |
| 6966826 | Grinding wheel A grinding wheel comprises an annular base and a grinding stone means mounted on the under surface of the base. A coolant pool which is open inward in a radial direction is formed in the inner surface of the base. ... | 11/22/2005 |
| 6942555 | Gear-shaping grindstone and method of fabricating the same A highly accurate, long-life grindstone for shaping a gear and a method of fabricating the grindstone, without depending on the accuracy of form of a base metal and without using a special grinding machine or a special lapping machine, are disclosed. A super-abrasiv... | 09/13/2005 |
| 6932673 | Grinding method and device for the same The present invention supplies coolant to a grinding wheel surface and reliably guides the coolant to a grinding point on the grinding wheel surface, thereby significantly reducing the amount of coolant to be used. In a grinding method and device for supplyin... | 08/23/2005 |
| 6921321 | Grinding method and grinding machine In the grinding process, grinding fluid is supplied toward the grinding point where a workpiece is ground with a grinding wheel. At the same time, a fluid jet is ejected across the air flow above the grinding point in the rotational direction of the grinding wheel. ... | 07/26/2005 |
