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| Number | Title | Issue Date |
| 7611401 | Mount for a belt-sanding apparatus A sanding apparatus for finishing an exterior surface of an elongated work piece includes a support structure, a belt-sander, and a mounting bracket to movably mount the belt-sander to the support structure. The bracket is attached to the belt-sander and includes a ... | 11/03/2009 |
| 7387118 | Wire saw The invention provides a wire saw in which wire tension fluctuations occurring in swinging of a row of wires can be accommodated to thereby increase a velocity of the wire and to carry out cutting with efficiency and precision by utilizing swinging of the row of wir... | 06/17/2008 |
| 7374470 | Knife sharpening apparatus A sharpening apparatus having at least one guide slot, a drive pulley drivingly coupled to a frame and at least one idler pulley rotatably coupled to a support member. The support member is pivotably coupled to the frame. The apparatus includes an endless abrading b... | 05/20/2008 |
| 7294047 | Sander device A sander device includes a housing pivotally attached to a supporting base and rotatable between a horizontal position and a vertical position, a driven roller and an idle roller rotatably disposed in the housing, and an endless driving belt engaged over the driven ... | 11/13/2007 |
| 7160182 | Support for sanding apparatus A support stand (2) for a sanding apparatus having a housing, a motor, and a sanding belt of abrasive material adapted to be driven around a plurality of rollers by means of the motor is disclosed. The support stand (2) comprises a body portion (6 | 01/09/2007 |
| 7090560 | System and method for detecting abrasive article orientation Systems and methods control abrading operations of an abrading machine by sensing characteristics of an abrading article installed on the abrading machine. When a problem is discovered by sensing the article, appropriate actions may be taken. As one example, the abr... | 08/15/2006 |
| 7090571 | Belt sander A belt sander includes a base, a sanding device, a worktable, a tipping drive device, and a swinging device. The swinging device includes a cylindrical roller, a central shaft, a toothed ring, a drive gear, a cam, and a fixing rod. The swinging device drives the san... | 08/15/2006 |
| 7044841 | Grinding machine A grinding machine includes a driving unit, a grinding wheel unit, an abrasive belt unit and a dust-collecting device. The dust-collecting device includes a dust-discharging unit and a dust-guiding unit. The dust-discharging unit includes a dust-collecting seat disp... | 05/16/2006 |
| 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 |
| 7033245 | Lapping apparatus and lapping method A lapping apparatus lapping a work having a pre-machined surface comprises a lapping film which includes a thin substrate having a surface provided with abrasive grains, a shoe disposed at a back surface side of the lapping film, a shoe driving unit which drives the... | 04/25/2006 |
| 7025666 | Belt sander having sand belt replacement apparatus A belt sander includes a main frame, a drive roller, a driven roller, a sand belt, and a sand belt replacement apparatus. Thus, the user only needs to rotate the control handle to move the driven roller relative to the drive roller so as to change the distance betwe... | 04/11/2006 |
| 6893329 | Polishing apparatus with abrasive tape, polishing method using abrasive tape and manufacturing method for magnetic disk An abrasive tape is supplied to a tape head by a tape supply unit and taken up from the tape head by a tape take-up unit. The tape head presses the abrasive tape against a surface of an object under polish, which is rotated by a rotating unit. A tape head pressuring... | 05/17/2005 |
| 6881136 | Grinding-band swaying device for a band grinding machine A grinding-band swaying device for a band grinding machine includes a motor pivotally connected with a machine base and driving an endless grinding band around two rollers and forming a fulcrum for swaying, a speed-reducing unit and an eccentric wheel. The speed-red... | 04/19/2005 |
| 6736710 | Polisher for polishing end surface of semiconductor wafer A polishing head for polishing the end surface of a semiconductor wafer has a driver roller, a driving motor for rotating it, a pair of upper and lower follower rollers one above the other parallel to and horizontally separated from the driver roller and an endless ... | 05/18/2004 |
| 6733372 | Grinding machine having adjustable mechanism A grinding machine includes a work table disposed on top of a base, a housing rotatably secured to the base with a shaft and having a roller disposed on one end, a casing has one end secured to the housing and has another roller, a sander belt is engaged over the ro... | 05/11/2004 |
| 6722966 | Sand-belt finishing machine having a reciprocal movement mechanism A sand-belt finishing machine having a reciprocal movement mechanism includes a main body, a swingable support rack, a finishing device, and an eccentric device. Thus, the eccentric unit of the eccentric device produces a driving force to pull and push the first rol... | 04/20/2004 |
| 6602120 | Edge grinding unit for edge working machines An edge grinding unit for machines for working the edges of plates in general and of glass sheets in particular comprising at least at one rim of a plate being worked, a grinding wheel which is accommodated in a carousel element provided with a rotatable ... | 08/05/2003 |
| 6533649 | Sander assembly having adjustable sander member A sander machine includes a motor coupled to a sander barrel for driving the sander barrel, a sander belt is engaged on a frame with two rollers, one of the rollers is coupled to and driven by the motor. The frame may be adjustably secured relative to the... | 03/18/2003 |
| 6468140 | Swinging device for a sanding machine A swinging device for a sanding device, is disclosed. The swinging device has a swinging element, having mounted with a bi-axle motor, mounted to a sanding module, and the bi-axle motor synchronously drives a driving structure mounted to the swinging elem... | 10/22/2002 |
| 6406360 | Device for cleaning vulcanization molds A device for cleaning the inner walls of vulcanizing molds that are divided into upper and lower partial molds by means of a blasting device/nozzle and a manipulating device, with the blasting device and the manipulating device being accommodated and enca... | 06/18/2002 |
| 6361421 | Belt grinder with pivotable grinding unit and opposite supporting tables at different working heights The invention relates to a belt grinder of which the supporting tables (13, 14) are arranged in relation to the grinding unit (11) and hence the grinding belt (12) in such a way that tables need not be adjusted at the same time as the grinding unit is piv... | 03/26/2002 |
| 6357071 | Rotating belt wafer edge cleaning apparatus An apparatus for cleaning edges and/or bevel areas of substrates. In one embodiment, the present invention provides a cleaning mechanism that cleans particles off the edge of the wafer based upon friction at the contact point between the wafer and a rotat... | 03/19/2002 |
| 6203402 | Device for finishing curved work piece surfaces using a grinding belt The invention concerns a device for belt-grinding curved material surfaces, wherein the abrasive belt is pressed onto the surface of the work piece by means of two processing shoes and at the same time, the surface of the work piece to be processed is mea... | 03/20/2001 |
| 6068542 | Pad tape surface polishing method and apparatus A surface polishing method comprises allowing a holder to hold a flat sheet-like workpiece, placing a pad tape in a location opposite to the holder, the pad tape consisting of a tape substrate and grains bonded to the substrate surface, supplying free gra... | 05/30/2000 |
| 5984767 | Assembly using an abrasive strip to machine a cylindrical bearing surface of a workpiece A machining assembly consisting of first and second pivotal jaws opposing each other. A clamping arrangement is provided for clamping the jaws and to apply a flexible strip of abrasive material against the machined surface. The first jaw containing a shoe... | 11/16/1999 |
| 5871394 | Multiple head floor sander A floor sander having a number of interchangeable sanding head assemblies for sanding a surface such as a hardwood floor. Each of the interchangeable sanding head assemblies includes a sanding implement which may provide differing levels of sanding or oth... | 02/16/1999 |
| 5584752 | Grinding apparatus A pair of supporting arms are rotatably attached to both ends of a fixed shaft. A supporting shaft extends across forward ends of the supporting arms and in parallel to the fixed shaft. A grinding roller on which an abrasive tape is arranged, and guide ro... | 12/17/1996 |
| 5569063 | Polishing apparatus A polishing apparatus, for polishing/cleaning a target object surface by using a polishing tape, has a spindle rotatably placed inside an opening formed in a base plate, a motor for rotating the spindle, a compression roller rotatably supported between a ... | 10/29/1996 |
| 5507684 | Machine for the two-stage machining of preground shafts A two-stage machining process is carried out using control of a pair of levers upon which one pair of grinding tools is provided. The second stage of the machining process is effected by grinding tools, e.g. immobilized segment of a grinding belt or band ... | 04/16/1996 |
| 5433042 | Method and apparatus for grinding tires In order to grind a tire 2 mounted on a vehicle, an abrasive belt 5 is us which is stretched over rollers 51, 52, 53, 54 and 46 which are mounted on a frame 4. By the action of a jack 7, the tire 2 is released of all load. A counterweight 45 urges the fr... | 07/18/1995 |
| 5361546 | Apparatus for grinding, polishing ect. of workpieces An apparatus arranged for grinding, polishing, etc. with a closed loop 5 of grinding, polishing, etc. belt mounted on the output shaft of a motor 1 and driven by a rotating drive wheel 4. This loop belt 5 is intended to be applied against a workpiece whic... | 11/08/1994 |
| 5359813 | Locking mechanism for contouring head assembly for multiple belt grinding machine A locking mechanism for the contouring head assembly of a belt grinding machine that employs multiple, parallel, abrasive grinding belts, and back-up shoes for pressing the belts against the surfaces on a workpiece to be ground. The locking mechanism secu... | 11/01/1994 |
| 5245792 | Machining center for grinding workpieces with complex shaped surfaces The machining center serves for grinding workpieces with complex shaped surfaces, such as turbines or jet engine blades. One or several workpieces are clamped in a workpiece chucking device. The latter is displaceable along an X and a Y axis. Additionally... | 09/21/1993 |
| 5199220 | Combination belt and disc sander A combined belt and disc sander is disclosed which provides a belt sander than can be pivoted from a horizontal to vertical position, a disc sander that is fixed below the upper horizontal plane of the belt sander, and a drive motor assembly than can driv... | 04/06/1993 |
| 5181343 | Apparatus and process for grinding a profile of a band saw Apparatus for the grinding of a profile of a band saw, which apparatus is provided with an abrasive medium disposed above a track along which the band saw is conducted under operating conditions and whereby a relative motion between the band saw and the a... | 01/26/1993 |
| 5168656 | Belt/disc sander with quick release and locking means for swingable bed A quick release for enabling a belt bed in a belt sander to be selectively rotated 90° from the horizontal to the vertical in a simple manner. A C-shaped collar forms a portion of the frame and a support is attached to the belt bed and positioned within ... | 12/08/1992 |
| 5094036 | Wide-belt sander machine The improvement described in this invention consists of a cross-beam fitted with a lever fixed to and rotating with, at one end, to the end of a single, plate pivot pin projecting from a support frame, the other end of the lever is connected to hydraulic ... | 03/10/1992 |
| 4945683 | Abrasive belt grinding machine Apparatus for grinding to predetermined contour a plurality of eccentric cams on a cam shaft, comprising abrasive belts supported adjacent the cam shaft for linear movement such that the belts grind the peripheries of the cams. The belts are guided along ... | 08/07/1990 |
| 4854084 | Equipment for sanding the rounded corners of boards automatically In automatic equipment for sanding the rounded corners of boards, use is made of a sanding unit with an abrasive belt looped around at least two rollers and urged against the rounded corner of a board by a pressure pad positioned alongside one of the roll... | 08/08/1989 |
| 4833834 | Camshaft belt grinder Various embodiments of multiple belt camshaft grinding machines each have grinding belt drive, contouring and support members carried on a feed table for separate control of cam contouring and grinding feed rate while the camshaft workpiece is carried on ... | 05/30/1989 |
