| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 451119000 | Rotary reciprocating tool | 24 |
| 20120028549 | Auto-scraping apparatus - An auto-scraping apparatus for a work piece of a hard rail has a tracking device, a driving device and a tool device. The tracking device has a connecting frame, a moving frame, a lifting frame and a tool frame. The moving frame is movably connected to the connecting frame. The lifting frame is movably connected to the moving frame. The tool frame is rotatably connected to the lifting frame. The driving device is connected to the tracking device and has two linear motion units and a rotating motion unit. One of the linear motion units drives the moving frame and the other linear motion unit drives the lifting frame. The rotating motion unit is mounted in the tool frame and has a rotating shaft. The tool device is detachably connected to the driving device and has a tool carrier and a relieving tool. | 02-02-2012 |
| 20120231709 | HONING APPARATUS - A rotary tool of a honing apparatus is provided with honing grindstones that grind a cylinder bore, and guide members that slide in a guide hole of a tool guide. The guide members are each constituted of a base member fixed to the tool body and a slide member fixed to the base member. The base member is composed of a ceramic material, and the slide member is composed of a cemented carbide material. With the guide members having such a configuration, electrolytic dressing is performed on the honing grindstones. | 09-13-2012 |
| 20130303058 | GRINDING MACHINE FOR THE GRINDING OF SPRING ENDS - A grinding machine for grinding an end of a spring, the machine comprising a fixed spring mounting, which is fixable in a known position in the machine, for a spring or springs and a grinding surface secured to a support structure and arranged with the support structure to relatively oscillate to and fro along an oscillation path or cycle across one end of the mounting. | 11-14-2013 |
| 451120000 | Cylindrical tool | 12 |
| 20110053472 | GRINDING DEVICE WITH CLEANING ASSEMBLY - An exemplary grinding device includes a fixed barrel, a rotatable barrel, a grinding plate, an actuator and a cleaning assembly. The fixed barrel defines a chamber and includes a number of inner sidewall substantially parallel to a central axis, each of which defines a holding groove for holding a workpiece. The rotatable barrel is received in the chamber and includes an outer side substantially parallel to the central axis and defines an installation groove. The grinding plate is installed in each of the installation grooves. The actuator is configured for driving the rotatable barrel to rotate and simultaneously move up and down in the first chamber, such that the grinding plates contact the workpieces and grind the workpieces. The cleaning assembly is situated under the fixed barrel for cleaning the workpieces. | 03-03-2011 |
| 20140308882 | DEVICE AND SYSTEM FOR REMOVAL OF PIPE RENOVATION MATERIAL FROM PIPE - The grinding device is for removing pipe renovation material from a pipe. The grinding device has at least one cutter, a body and fastening means for fastening the grinding device to a rotation shaft. The body and the at least one cutter are accomplished of a single piece for grinding pipe renovation material both in the forward direction of the grinding device and in a direction transverse to the forward direction. In addition, a system for removing pipe renovation material from the pipe and use of the grinding device for removing pipe renovation material from the pipe are disclosed. | 10-16-2014 |
| 451121000 | Oscillating | 2 |
| 451123000 | Work rotating | 2 |
| 20090170411 | MICROPOLISHING ASSEMBLY FOR MICROPOLISHING PISTON RINGS - A flexible micropolishing machine for micropolishing a piston ring comprising an arbor for accepting at least one piston ring, a means for rotating the arbor, a flexible roller arm located adjacent the arbor, and an indexable abrasive material located between the flexible roller arm and the at least one piston ring wherein the flexible roller arm is movable toward the arbor such that flexible roller arm applies a micropolishing pressure to the indexable abrasive tape thereby micropolishing the piston ring. | 07-02-2009 |
| 20100003903 | DEVICE FOR PROCESSING THE SURFACE OF SPHERICAL SHELLS - This disclosure concerns a device for machining surfaces, e.g., superfinishing, polishing, grinding or lapping spherical shells or flattened domes of a workpiece, or, for example, a ball joint, using a tool having a machining stone with a workpiece receiver, a first drive for an oscillating motion about a first axis of the workpiece, a tool holder and a second drive for an oscillating motion about a second axis of the tool holder, whereby the axes are an angle to one another. | 01-07-2010 |
| 451124000 | Rectilinear | 8 |
| 451127000 | Compound rectilinear motion | 4 |
| 20160074983 | TOOL GRINDER - The end mill grinding device of the present invention includes a tool spindle assembly and a motor tower which enables multi-axis positioning of a sharpening wheel in relation to an end mill cutting tool being sharpened, for sharpening the end mill tool. The present invention combines linear sharpening and radial tool end grinding capability in the same device. | 03-17-2016 |
| 20160114450 | COMPACT GRINDING WHEEL - A grinding wheel for use in a skate blade sharpening system includes a metal grinding ring having an abrasive-coated outer surface for contacting a skate blade to be sharpened during sharpening, and a generally disk-shaped hub to which the grinding ring is fixedly mounted. The hub and grinding ring are configured for mating with an arbor on a rotating shaft of the skate blade sharpening system. Generally the hub is of a less expensive and lower-density material than the grinding ring. In one embodiment, the hub is of a lightweight material such as thermoplastic. | 04-28-2016 |
| 20160114451 | SKATE BLADE RETENTION MECHANISM - A skate blade retention mechanism for retaining a skate blade in a sharpening position to be sharpened includes a pair of elongated jaws configured for symmetrical jaw opening and closing movements about a centerline of the skate blade in the sharpening position. A biasing mechanism is configured and operative to apply a bias force to symmetrically bias the jaws toward a closed position with sufficiently high force to retain the skate blade in the sharpening position when the skate blade is located between the jaws as so biased. An actuator is configured to actuate the jaws against the bias force to an open position under user control to permit insertion and removal of the skate blade. | 04-28-2016 |
| 20160114461 | SKATE BLADE SHARPENING SYSTEM WITH PROTECTIVE COVERS - A skate blade sharpening system includes a chassis and an elongated slot for receiving a skate blade, and a skate blade retention mechanism to retain the skate blade in the sharpening position. A grinding wheel moves along the slot including the lower edge of the skate blade during sharpening. One or more slot covers are mounted to the chassis at respective ends of the slot. The slot covers are movable between covering and non-covering positions. In the non-covering positions the slot covers uncover the slot sufficiently to permit insertion and removal of the skate blade. In the covering positions, the slot covers cover end portions of the slot adjacent the ends of the skate blade to avoid exposing the user and mechanical components of the sharpening system to unsafe operating conditions. | 04-28-2016 |
| 451130000 | One-way work traverse | 1 |
| 20090163124 | RECIPROCATING LINEAR SANDER - A reciprocating linear sander has a base, at least one abrasive assembly, at least one reciprocating device and a driving device. The base has two sides and a belt. Each abrasive assembly is mounted in the base above the belt and has a rotating axle and an abrasive brush mounted around the rotating axle. The reciprocating device is connected respectively to the abrasive assembly and has a driven axle coaxially connected to the rotating axle of the abrasive assembly to allow the rotating axle to move reciprocatorily and linearly. The driving device is connected to the reciprocating device, drives the rotating axle of the abrasive assembly and has a couple to rotate the driven axle of the reciprocating device. | 06-25-2009 |
| 451136000 | Reciprocating work holder | 1 |
| 451137000 | Rectilinear | 1 |
| 20160199927 | MACHINE FOR HONING GEARS | 07-14-2016 |
| 451140000 | Work rotating | 1 |
| 451143000 | Rotary work holder | 1 |
| 20150111479 | DEVICE FOR SHARPENING TOOLS WITH CUTTERS, SUCH AS FOR EXAMPLE DRILLS, MILLING TOOLS OR THE LIKE - The invention relates to a device ( | 04-23-2015 |
| 451150000 | Rectilinearly reciprocating tool carriage | 1 |
| 20130137346 | MACHINE FOR SMOOTHING OR POLISHING SLABS OF STONE MATERIALS, SUCH AS NATURAL AND AGGOLOMERATED STONE, CERAMIC AND GLASS - A machine for smoothing or polishing slabs of stone material, such as natural and agglomerated stone, ceramic and glass, comprises a longitudinal bench ( | 05-30-2013 |
| 451158000 | Disk tool | 9 |
| 20080305723 | Polishing disc for a tool for the fine machining of optically active surfaces particularly on spectacle lenses and method for its production - A polishing disc for a tool for the fine machining of optically active surfaces, particularly on spectacle lenses as workpieces, comprises a main body which has a center axis and on which there is fixed an intermediate layer which is softer than the main body and on which a polishing agent carrier rests. The intermediate layer has, with respect to the center axis, a radial inner region of substantially constant axial thickness and an adjoining radial outer region. The latter is formed or is fixed to the main body in a particular way so as to prevent the edge of the polishing disc from being imprinted on the machined surface of the workpiece in the form of very fine, scratch-like microstructures. Also proposed is a simple method which can be used to produce such a polishing disc. | 12-11-2008 |
| 20140220870 | SANDING DEVICES AND METHODS - The present disclosure describes a sanding device that has a motor coupled to a base plate for inducing vibration in the base plate. Further, the sanding device has a face plate that is coupled to the base plate, and the face plate has a plurality of sleeves for receiving a respective plurality of columns. The columns rotate and move longitudinally within the sleeves. Further, each column moves independent of the other columns and each column have an abrasive surface on a sanding end for contacting a sanding surface. | 08-07-2014 |
| 451159000 | Oscillating | 4 |
| 20090124179 | OSCILLATING GRINDING MACHINE - The present invention relates particularly to an oscillating grinding machine. The grinding machine comprises a driving motor ( | 05-14-2009 |
| 20110212671 | Grinding machine and tool-support apparatus therefor - The invention relates to a tool-support apparatus for attachment to a grinding machine ( | 09-01-2011 |
| 20130237133 | GRINDER EQUIPPED WITH A CURVED MOTION MECHANISM - A grinder equipped with a curved motion mechanism to process a working piece to form a double-envelope structure includes a grinding wheel, a driving shaft, a track bracket and a holder. The grinding wheel includes a grinding edge which has a grinding zone in contact with the working piece. The driving shaft drives the grinding wheel spinning. The track bracket holds the driving shaft and is movable in a curved motion against the holder. The driving shaft is coupled with the track bracket via a middle section and driven by the curved motion to tilt against the holder and oscillate about the grinding zone of the grinding wheel as an oscillation center. Thus the invention can process the working piece at varying angles to form a worm with the double-envelope structure and improve process precision. | 09-12-2013 |
| 20160031059 | DEVICES, SYSTEMS, AND METHODS FOR REFURBISHING ONE OR MORE LACROSSE BALLS - A method and system for resurfacing one or more lacrosse balls is provided. The system includes a container, a rotatable member, and a motor. The container is configured to hold the one or more lacrosse balls. The rotatable member includes an abrasive surface configured to scuff the lacrosse balls while in the container. The motor includes a drive shaft coupled to the rotatable member and configured to facilitate rotation of the rotatable member. With this arrangement, the lacrosse balls are positioned over the abrasive surface such that, upon rotation of the rotatable member, the abrasive surface scuffs the lacrosse balls to, thereby, resurface the balls. | 02-04-2016 |
| 451160000 | Rectilinear | 3 |
| 20090203298 | TR razr sharpening system - A device is disclosed for grinding reel type mower bedknives and blades of rotary type and reel type mowers. The device is capable of manually relief grinding reel blades on an intact mower, and in various stages of disassembly, to a bare reel stripped of its housing, with virtually any relief angle. The device can manually and semiautomatically spin grind a reel type mower reel while the reel is attached to the complete mower or if the reel and supporting structure are removed to a bench, with no further disassembly required. The device can manually grind the front face of a reel type mower bedknife while the bedknife remains attached to the reel housing and can grind the front and top face of a bedknife when it is removed. It can also grind rotary type blades and a variety of other straight edged tools. | 08-13-2009 |
| 20130045665 | SIMULTANEOUS GRINDING MACHINE - An apparatus for grinding an elongated workpiece having a plurality of outer surfaces of revolution all centered on a common workpiece axis has a frame and means such as a headstock and tailstock for rotating the workpiece about the workpiece axis. Two grinders on the frame diametrally flank the workpiece axis and are displaceable radially of the workpiece axis. They each have a respective set of axially spaced grinding wheels. Actuator means serves for displacing the grinders in respective diametrally opposite directions for engaging the grinding wheels with the surfaces of the rotating workpiece grinder. The axial spacing and dimensions of the wheels correspond to the axial spacing and dimensions of the surfaces such that all the surfaces of the workpiece can be ground simultaneously. | 02-21-2013 |
| 20160045996 | SIMULTANEOUS GRINDING MACHINE - An apparatus for grinding an elongated workpiece having a plurality of outer surfaces of revolution all centered on a common workpiece axis has a frame and a chuck on the frame for orienting the workpiece with the workpiece axis vertical and for rotating the workpiece about the workpiece axis. Two grinder drive motors on the frame diametrally flank the workpiece axis, are displaceable horizontally and radially of the workpiece axis, and each have a downwardly extending respective vertical drive shaft rotatable about a respective shaft axis, carrying a respective set of at least two vertically and axially spaced grinding wheels, and each having an unsupported and unbraced lower end. The grinders are displaced in respective diametrally opposite horizontal and radial directions for engaging the grinding wheels with the surfaces of the rotating workpiece grinder, such that all the surfaces of the workpiece can be ground simultaneously. | 02-18-2016 |
