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| Number | Title | Issue Date |
| 7413505 | Pipe and shaft sander The present invention relates to a hand-held motorized device that is designed for sanding cylindrical objects. The invention comprises a left side and right side within which are a plurality of rollers, a motor, an on/off button, power supply, and sanding belt. A p... | 08/19/2008 |
| 7241205 | Method of processing a substrate A method of processing a substrate is disclosed, wherein a sidewall surface of a notch portion formed in a circumferential portion of a substrate to be processed is polished by using a cylindrical polishing head rotatable with an axis as a rotational center. ... | 07/10/2007 |
| 7201646 | Tension adjustment apparatus for abrading tools A tension adjustment apparatus for a sander includes a first rigid portion and an opposed second rigid portion. A pair of elongated members are attached to the second portion and slideably received within the first portion. A pair of edge cavities are provided withi... | 04/10/2007 |
| 7169025 | Grinding tool for a grinder with rotary oscillating drive Disclosed is a grinding tool for a grinder comprising a rotary oscillating drive, the output shaft of which is driven so as to oscillate back and forth about its longitudinal axis and is configured for securing the grinding tool thereon. The grinding tool comprises ... | 01/30/2007 |
| 7144300 | Sanding tool with clamping mechanism A hand-held, manually-operated sanding tool for use with a replaceable sheet of abrasive material includes a base member and a clamping mechanism. The base member defines first and second ends, a bottom surface extending between the first and second ends, a contact ... | 12/05/2006 |
| 7112128 | Sanding tool with protective clamping mechanism A hand-held, manually-operated sanding tool for use with a replaceable sheet-like abrasive material, such as sandpaper, includes a base member and one or more clamping mechanisms pivotally connected with opposed ends of the base member. The clamping mechanism(s) inc... | 09/26/2006 |
| 7048618 | Tool having an adjustable curved working surface and a method for using the tool A tool for supporting an abrasive material is disclosed. The tool may be used to abrade a surface, for example, for sanding. The tool includes a flexible base plate, a base plate curvature-adjusting device, a resilient pad with recesses, and clamps for mounting an a... | 05/23/2006 |
| 6949018 | Apparatus for finishing surfaces A method is described for surface finishing complex and simple surface shapes by abrasion of selected zones of surface, leaving contiguous zones unfinished. ... | 09/27/2005 |
| 6835124 | Adjustable sanding block A sanding block holds a continuous loop sanding belt tightly thereon. The block includes a hollow block body including a spring clamp having top and bottom racks of serrated indented teeth, which extend longitudinally therein, forming the top and bottom gear racks. ... | 12/28/2004 |
| 6769974 | Sand-belt finishing machine having a sand-belt replacement mechanism A sand-belt finishing machine having a sand-belt replacement mechanism includes a support rack, a first roller, a second roller, an upright rod, an elastic member, a sand belt, and a pull lever. When the upright rod is moved by the pull lever to compress the elastic... | 08/03/2004 |
| 6755727 | Sanding block for receiving sanding belt A sanding block includes a base member with a flat working surface for being positioned against a generally flattened sanding belt. A tightening arm has a first end hinged to a first end of the base member, and a second end movable between an open position away from... | 06/29/2004 |
| 6736711 | Hand-controlled grinding tool, for machining round objects In a power grinder (1) with a motor (6) and a gear (7) that drive an oscillating drive means (2), which moves a grinding belt (3) secured to it to reciprocate, a simple change of the grinding belt (3) is made possible by pro... | 05/18/2004 |
| 6659851 | Fastening device for polishing paper cloth A fastening device for a polishing paper cloth of a portable polishing machine. The device comprises an attaching portion which can be detachably attached to a base plate of the polishing machine and a fastening device main body for winding the polishing ... | 12/09/2003 |
| 6585576 | Rollers' position moving device for a sand belt machine A rollers' position moving device for a sand belt machine includes a conveyor in the machine, a sand belt, and plural rollers moving the sand belt. The rollers are deposited across on the conveyor. Further, a first wheel and a second wheel are pivotally c... | 07/01/2003 |
| 6213857 | Sanding block An improved sanding block is disclosed for receiving and tensioning a continuous or endless sandpaper loop or other abrasive wrap-around belt about the sanding block's periphery. The block has two parts, so shaped that when assembled within an endless abr... | 04/10/2001 |
| 5830046 | Belt shifting idler pulley for reciprocating an abrasive belt An apparatus for continually shifting an endless abrasive belt trained between a drive pulley and an idler wheel. The belt is trained around an idler wheel which is supported by an arm above a continually pivoting platform transverse to the travel directi... | 11/03/1998 |
| 5779528 | Elastomeric mount for grinding wheel, and grinder An elastomeric mount or band is provided for circumferential placement about a bonded abrasive segment of the type generally used to form a segmented grinding wheel assembly of a rotary surface grinder. The band serves to cushion the segment relative to a... | 07/14/1998 |
| 5707279 | Abrasive tool An abrasive tool includes in combination a tubular sleeve of exteriorly coated abrasive which has an axial length and an inside diameter. A drive arbor for the sleeve includes a mandrel adapted to be rotated by a power tool and the like. An elastomeric ge... | 01/13/1998 |
| 5593345 | Abrasive-belt conversion wheel for cylindrical grinders A conversion grinding wheel frame for an abrasive-belt to secure thereto for replacing a conventional stone grinding wheel used on a cylindrical roll grinding machine. The abrasive-belt conversion wheel is secured to a spindle of the grinding machine by a... | 01/14/1997 |
| 5529529 | Cylinder liner microfinishing apparatus and method An apparatus for microfinishing an interior cylindrical surface. The apparatus includes a mechanism which holds and rotates the workpiece about an axis. A tool, having radially directed work areas, is positioned within the workpiece and causes a strip of ... | 06/25/1996 |
| 5387251 | Endless belt sanding block An improved endless belt sanding block, typically having four flat rigid support sections connected by a set of hinges (12), (16), (22), and (28) to form a foldable closed loop. Two of the support sections, an upper tapered support (18), and a lower taper... | 02/07/1995 |
| 5383308 | Sanding block A hand sanding block is formed with two blocks, which may be of equal or unequal lengths of like cross section and disposed in coplanar relationship with opposed inner ends. The blocks are freely movable towards and away from each other almost to the poin... | 01/24/1995 |
| 5351447 | Inflatable sanding drum An inflatable sanding drum used for a drill or a lathe to said a wood has a cover between an abrasive member and a rubber bladder which defines an air chamber of the roller. Thus, even if the abrasive member is worn out by the friction with the wood surfa... | 10/04/1994 |
| 5168658 | Belt grinding device A belt grinding device for an endless abrasive belt which can be fitted to a power tool such as an angle grinder. The drive wheel 5 is centered on, and driven by, the drive shaft of the tool by way of a tapered insert or tapered nut engaging the drive sha... | 12/08/1992 |
| 5101600 | Phosphate ceramic backing blocks and their preparation Phosphate ceramic backing blocks are provided for the profile sanding of wood. The blocks are made of rigid, non-foamed phosphate ceramic. The ceramic is dimensionally stable in spite of friction-caused heat, and also has a semi-polished finish that is ac... | 04/07/1992 |
| 4870787 | Sanding wheel A cylindrical sanding wheel is provided having top and bottom sections, slots into which the base of a contoured abrasive strip fits and restraints which minimize slippage of the contoured abrasive strip with respect to the cylindrical surface of the sand... | 10/03/1989 |
| 4813189 | Sanding apparatus A sanding tool has a flat rectangular rigid base surrounded with an endless belt carrying abrasive materials. A transverse bar movably mounted on the base engages one end of the belt. A nut mounted on the base accommodates a threaded rod which engages the... | 03/21/1989 |
| 4744180 | Sanding wheel A sanding wheel is provided having easily removable and replaceable contoured abrasive strips enabling use of the sanding wheel to sand workpieces of different contours accurately without replacement of the complete sanding wheel.... | 05/17/1988 |
| 4377057 | Hand cabbing apparatus Apparatus, including a kit and elements thereof, for manually producing cabochons from various types of rocks and gemstones such as onyx, agate, opal, jade, etc. The kit contains all necessary equipment for hobbyists and craftsman to shape and polish gems... | 03/22/1983 |
| 4065882 | Grinding tool fitted with an abrasive sheet having active face and edge surfaces Grinding tool comprising a support or carrier with associated relatively resilient pad covered by a removable abrasive sheet, wherein said abrasive sheet has a central zone forming an active face and a marginal zone with removed portions bent over or fold... | 01/03/1978 |
| 4058936 | Vacuum sander This invention is directed to a vacuum sanding device. More particularly, the invention is directed to a vacuum sanding device that has one or more vacuum openings in the central area of the sanding disc, or, one or more vacuum openings located around the... | 11/22/1977 |
