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| Number | Title | Issue Date |
| 7329065 | Coupling assembly and method for connecting and disconnecting a shaft assembly A coupling assembly that can be used to quickly connect and disconnect an impeller shaft to and from a drive output shaft. A portion of the coupling assembly can be used to secure the impeller shaft inside a mixing vessel so that the impeller shaft can remain secure... | 02/12/2008 |
| 7192338 | Fixing device, clamping system and allocated tool A tool for co-operating with a fixing device wherein the tool comprises a tool body in the form of a circular disk, with a central opening and a radially inwardly facing locking surface. The fixing device comprises at least one radially outwardly facing projection o... | 03/20/2007 |
| 7147550 | Holding apparatus for grinding members A holding apparatus for grinding members includes two clamping disks that have respectively a plurality of anchor plates and a plurality of anchor slots on different perimeters. The anchor plates and anchor slots may be wedged to form a mechanical interference betwe... | 12/12/2006 |
| 7118465 | Grinding assembly of semiconductor wafer back-grinding apparatus and method of fastening a grinding plate to a grinding mount of the same A semiconductor manufacturing apparatus includes a wafer support having a grinding base on which a wafer is disposed, and a grinding assembly disposed above the grinding base. The grinding assembly includes a grinding plate having grinding projections at the bottom ... | 10/10/2006 |
| 7094140 | Abrasive sanding surface An abrasive sandpaper system having a backing plate (16) with a canted outer periphery (28) and an off-centered aperture (26) for interlocking with lugs (18) of a power driver (12). The sandpaper (30) has a canted outer peri... | 08/22/2006 |
| 7077735 | System with a tool-holding fixture A system with a tool-holding socket, which has a driver device that can be used to operationally connect an insert tool to a drive shaft, and has an insert tool, wherein the insert tool can be operationally connected to the driver device by at least one detent eleme... | 07/18/2006 |
| 6945862 | Power tool having a receptacle for securing a tool A power tool having a receptacle for securing a tool to a drive shaft thereof is disclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fa... | 09/20/2005 |
| 6942560 | Attachment and rapid-chucking system, comprising a rotatably driven, disc-shaped hub The invention is based on an insert tool with a rotationally driveable disk-shaped hub and an abrasive disposed in particular in a radially outer region, in particular of the kind used for a cut-off wheel, a grinding disk, a rough grinding disk, a cutting disk, or a... | 09/13/2005 |
| 6929538 | Power tool with a clamping device for axially securing a disk shaped tool A clamping device for a power tool that axially secures a disc shaped tool to its spindle. The clamping device securely attaches a grinding wheel or circular saw to a power tool by a contact surface on the clamping device and a screw-on flange that directly contacts... | 08/16/2005 |
| 6869346 | Receptacle for grinder tools The invention is based on a tool receiver for a grinder, in particular for a handheld angle grinder (10), having a carrier device (12, 14, 16, 182, 184, 300), via which an application tool (18, 32, 186, 188) can be actively connected to a drive ... | 03/22/2005 |
| 6840849 | Mounting device for coated abrasive finishing articles A reusable mounting device which includes a support member having a support pad (32) secured to a hollow cylindrical body (42) by way of a compression ring (46). The hollow body defines a recess which receives a nut (18) that is adapted t... | 01/11/2005 |
| 6814655 | Attachment for grinder An insert tool with grinding blade and a supporting disk, and with a hub, which has at least one opening that permits the hub to be clamped to a driver flange of a grinder, which flange is connected to a drive shaft, wherein the hub is constituted by a component tha... | 11/09/2004 |
| 6796888 | Power tool having a receptacle for securing a tool A power tool having a receptacle for securing a tool to a drive shaft thereof is diclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fas... | 09/28/2004 |
| 6676499 | Male/female abrasive disk/wheel mounting member and subsequent abrasive mounting systems An abrasive disk mounting system and a grinding system are provided. The mounting system permits both primary abrasive disks (typically having a diameter greater than about 5 inches) and secondary abrasive disks (typically having a diameter from about 1.5... | 01/13/2004 |
| 6645058 | Clamp mechanism for rotary tool disc A clamping assembly adjustable from a first position with a first stack height to a second position with a second stack height less than the first stack height, whereby said clamping force is substantially released, said clamping assembly comprising: a fl... | 11/11/2003 |
| 6530828 | Supporting plate for rotating tools for the fine machining of surfaces Supporting plate for rotating tools for fine machining of surfaces, such as grinding or polishing with a front working surface or an adhering surface for detachably mounting a grinding, polishing, or similar working medium disk, having a rear driving conn... | 03/11/2003 |
| 6375554 | Retaining mechanism for lapping device A quick change lap retaining device uses radially displaceable blades to engage a groove in the underside of a lap and thereby hold the lap in position. The device fails in the engaged position to prevent inadvertent movement of the lap. Removal of the la... | 04/23/2002 |
| 5733183 | Clamping device for axially clamping a disk-shaped tool A clamping device for axially clamping a disk-shaped tool member on a shaft of a working tool has a pressure member for force-lockingly clamping the tool member between a radial surface of the shaft and the pressure member. A ring mount for force-loading ... | 03/31/1998 |
| 5707275 | Clamping device for clamping a tool In a clamping device for clamping a disk-shaped tool to a threaded spindle of a hand-held machine tool, a nut part, which can be screwed onto the threaded spindle, presses a face plate against the tool. An axial rolling bearing is arranged between the nut... | 01/13/1998 |
| 5662515 | Method and apparatus for abrading with a profiled soft roller A profiled, soft cushioned roller is provided with an outer profiled abrading surface that conforms to and rides on a contoured substrate surface during an abrading operation. A soft roller usually in the form of a soft foam layer or body allows the profi... | 09/02/1997 |
| 5637033 | Flapper wheel adapter An easy-to-use adapter assembly having a minimum number of component parts that will permit sanding flapper wheels of various sizes to be conveniently used in the field with portable hand held electric grinders of conventional design. The assembly is pref... | 06/10/1997 |
| 5081797 | Integrated buffing and grinding system The present invention provides an integrated buffing and grinding system. The system includes a first conveyor for transporting an article to a grinding station. The article is grasped by a robot and brought into and out of contact with an abrasive surfac... | 01/21/1992 |
| 4839998 | Abrasive apparatus An abrasive disc includes a sheet having abrasive particles on one surface of the sheet. A fastener has a flat flange portion which is adhered to the sheet. Coupling portions on the fastener extend in a transverse direction from the flange portion and leg... | 06/20/1989 |
| 4683683 | Abrasive material mounting structure A disc may have a backing member or sheet and an abrasive sheet, each with first and second opposed faces. The first face of the abrasive sheet may be attached to the second face of the backing sheet and the second face of the abrasive sheet may be provid... | 08/04/1987 |
| 4674234 | Abrasive tool In an abrasive tool for grinding or polishing, a grippable shaft is connected to an abrasive disc by means of a cylindrical elastic pad of plastic or rubber. A surrounding cap, preferably a screw cap, is provided, which for stiffening the assembly is adap... | 06/23/1987 |
| 4245438 | Finishing disk hub assembly A finishing disk hub assembly includes a hub section composed of an internally threaded adapter surrounded by a support pad which section is arranged to be screwed onto a rotary threaded shaft. An annular socket is formed in the end of the adapter, a wall... | 01/20/1981 |
