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| Number | Title | Issue Date |
| 8133098 | Tool spindle device In a tool spindle device, a tool head is slidably guided along guide members on a support table and is movable by a tool head feed mechanism. A tool spindle with a machining tool such as grinding wheel attached thereto is rotatably supported through antifriction bea... | 03/13/2012 |
| 7371149 | Honing feed system having full control of feed force, rate, and position and method of operation of the same The feed system (30) for a honing machine (10) provides a capability to dynamically correct in real time errors in bore size inferred arising from variations in feed force, and a method of operation of the same. The system (10) allows a user to ... | 05/13/2008 |
| 7334304 | Machine tool In order to improve a machine tool for machining a workpiece by a relative movement between the workpiece and a tool, comprising a first receiving device for the workpiece or the tool, a compound slide system with a second receiving device for the tool or the workpi... | 02/26/2008 |
| 7220161 | Automatic sharpening system for ice-skates A method is for using a skate-grinding device. The method provides an automatic sharpening system (10) that has grip members (14, 16) and a grinding wheel (28). A blade (18) of a skate (20) is inserted into a groove (19). Th... | 05/22/2007 |
| 6932073 | Power tool work table A work table includes a work surface having two generally parallel bars extending across and above the work surface. Two sleeves are slidably connected to the two generally parallel bars, each sleeve of the two sleeves positioned around each bar of the two generally... | 08/23/2005 |
| 6910946 | Polishing machine The polishing machine processes a workpiece put on table of body by four-directional control and is provided with a pair of columns. It comprises: first carrying unit having both ends fixed to pair of columns and having carrying part mounted on upper side; a second ... | 06/28/2005 |
| 6893324 | Angle head grinding apparatus A computer controlled grinding machine grinds a cylindrical region and an annular shoulder of a rotatable workpiece. Relative movement is effected between the workpiece and a grinding wheel along a line of action which subtends an angle of approach of less than 90 d... | 05/17/2005 |
| 6645048 | Equipment for grinding/polishing a curved or flat wall element An apparatus for grinding and/or polishing a surface of a wall element includes a first elongate guide device oriented substantially parallel to the surface of the wall element. A second elongate guide device is movably coupled to the first elongate guide... | 11/11/2003 |
| 6582278 | Machine tool with horizontal work spindle In a machine tool for cutting treatment of workpieces, comprising a workpiece support having two opposing side walls, a tool support having two opposing side walls and at least one approximately horizontally disposed processing unit (work spindle 8) on th... | 06/24/2003 |
| 6277004 | Phase adjusting method and recess machining apparatus and method The phase adjusting method is a method for holding a work including an end face formed symmetrical with respect to the axis of the work and a plurality of recesses respectively formed in a concave manner from the end face and also for positioning the posi... | 08/21/2001 |
| 6110009 | Grinding machine for grinding frictional surface of pad and method of grinding the pad The grinding machine for grinding a frictional surface of a pad of the present invention comprises: a grooving cutter to be rotated; a cylindrical grinding wheel arranged at a position distant from the grooving cutter; a pad chucking portion for holding a... | 08/29/2000 |
| 5895311 | Abrasive device that maintains normal line of contact with curved abrasive surface and method of using same An abrasive apparatus adopted to abrade a curved surface of workpiece includes: an abrading head including an abrading tip having a substantially spherical outer surface and a rotating shaft supporting the abrading tip, the abrading head being positioned ... | 04/20/1999 |
| 5700182 | Apparatus and method for automated honing of elongated straight-edged cutting blades An apparatus and method for automated honing of elongated straight-edged cutting blades such as those used in the printing and binding industry for the trimming of books or pamphlets and the like, wherein a sharpened blade which has been ground on other e... | 12/23/1997 |
| 5516324 | Method and apparatus for grinding ball grooves In a method of grinding ball grooves formed in a workpiece with a grind stone, the grind stone is fed in a direction of a longitudinal axis of the ball groove in a condition in which an axis of rotation of the grind stone is inclined in the direction of t... | 05/14/1996 |
| 5090159 | Multi-purpose grinder A multi-purpose grinding device for sharpening hardware ranging from scissors to saw blades. It comprises a powered grinding wheel which can be moved and oriented in a plurality of positions relative to the item to be sharpened which is held in a fixed lo... | 02/25/1992 |
| 4987700 | Mechanical scarfing apparatus The present invention contemplates an apparatus for producing a controlled taper cut in a workpiece. The apparatus includes a plurality of horizontal support members for supporting a slidable gantry member and a rotatable support member disposed within th... | 01/29/1991 |
| 4936052 | Machine and method of grinding molding die A grinding apparatus comprising: the frame (1) being composed of a pair of supports (3) standing in opposing relation to each other and a support frame (4) which is stretched between and secured to the respective upper end portions of the supports (3); fi... | 06/26/1990 |
| 4896647 | Cutting tool system for cutting stone and method of cutting same A cutting system for cutting heavy stone slabs wherein the heavy slabs are supported in a fixed horizontal position by means of a plurality of apertures which are adapted to receive a plurality of rollers, the rollers extending in an upward direction adap... | 01/30/1990 |
| 4850760 | Method of finishing gears A workpiece gear to be finished is held in mesh with a gear finishing tool with substantially no backlash therebetween. The gear finishing tool is then driven in mesh with the workpiece gear, and the workpiece gear is rotated in synchronism with the drive... | 07/25/1989 |
| 4777768 | Holding of glass sheets by electromagnet The invention relates to machining of glass sheets and in particular to holding of said glass sheets during grinding of their edges. The glass sheets are locked on their work plate with an electromagnet. This locking provides an effective holding while fr... | 10/18/1988 |
| 4765095 | Method for grinding pregeared bevel gears A method and device for grinding pregeared bevel gears in which the grinding of both flanks of the tooth gap is performed in a single setting and by a single tool in a hobbing process. The grinding machine is provided with a truing device which is rigidly... | 08/23/1988 |
| 4667443 | End face grinding apparatus A one-joint type horizontal pivot arm is adopted as contour tracing mechanism for controlling the position of a grinding unit along a contour of a plate material. The grinding unit is attached to a distal end of the pivot arm and is position-controlled by... | 05/26/1987 |
| 4633620 | System for processing of steel billets or the like to remove surface defects Methods and apparatus are disclosed for processing of steel billets or the like to remove surface defects. A material-removing device such as a grinding wheel is automatically controlled to initiate removal of material at points where defects have been de... | 01/06/1987 |
| 4627196 | Pressure-compensated hydraulic positioning system A conditioner grinder having a workpiece carried by a car that reciprocates adjacent a grinding wheel. The grinding wheel is supported for movement in a direction both normal to the surface to be ground and transversely across the surface to be ground. Mo... | 12/09/1986 |
| 4618297 | Method and apparatus for machining racks for steering gear A machine for cutting the teeth of a rack for a variable ratio rack and pinion steering gear employing a helical pinion having a plurality of identical teeth engaged with a rack having some tooth gaps of varying form and angular disposition to the rack ax... | 10/21/1986 |
| 4606150 | Grinding machine A grinding machine for machining the inner surfaces of workpieces. The machine has a bench to which are secured a workpiece headstock and a carriage which supports a grinder unit. The carriage can be moved on the bench via guides which are disposed on opp... | 08/19/1986 |
| 4519167 | Process and apparatus for the automatic control of movement of an edge grinding machine The invention is in a process, and the apparatus, for path control of a processing tool of a grinding machine for an all-around edge grinding of a glass pane. A cross sled supports the processing tool for movement in an X-Y coordinate system wherein the p... | 05/28/1985 |
| 4502253 | Surface treating and testing apparatus Apparatus for grinding and simultaneously testing steel billets or other parts to remove portions which contain defects. The defects are detected by a probe which engages the part at a point in proximity to the portion engaged by a grinding wheel. Prefera... | 03/05/1985 |
| 4490944 | Pressure-compensated hydraulic positioning system A conditioner grinder having a workpiece carried by a car that reciprocates adjacent a grinding wheel. The grinding wheel is supported for movement in a direction both normal to the surface to be ground and transversely across the surface to be ground. Mo... | 01/01/1985 |
| 4485594 | Surface grinding machine A surface grinding machine capable of being computer operated and having a multi-function capability for performing conventional slot and surface, plunge, side wheel, creep feed and short stroke grinding in any desired combination or sequence. A table con... | 12/04/1984 |
| 4459783 | Workpiece weighing system for conditioning grinders A weighing system for a grinding machine which calculates the weight of material removed by the grinding machinery during a grinding procedure. Power signals from a watt meter indicate the power consumed by the motor driving the grinding wheel. The weight... | 07/17/1984 |
| 4428158 | Method and apparatus for grinding irregular surfaces A tool for grinding irregular surfaces such as transition welds includes a base adapted to rest on the surface of the workpiece, a track on the base and a carriage which moves longitudinally of the weld with one end on the track and the other end of the c... | 01/31/1984 |
| 4387538 | Grinding machine assembly A grinding machine assembly includes a tiltable frame mounted in a machine frame movable back and forth on a machine base by a hydraulic cylinder assembly. A balancing pneumatic cylinder is suspended from an upper portion of the machine frame and supporti... | 06/14/1983 |
| 4384431 | Methods of and apparatus for preparing an end portion of a lightguide fiber A conical end portion of a connector plug and an end portion of a lightguide fiber which is encapsulated by the plug are prepared to form a conical end portion which is suitable for interconnection with a conical end portion of another plug within a sleev... | 05/24/1983 |
| 4324118 | Machine for roughing a peripheral vamp edge of a shoe A turntable rotatable about a vertical axis X supports a carriage slidable thereacross; two templates, with profiles respectively conforming to those of a pair of shoes whose uppers or vamps are to be roughened along a peripheral edge folded about an inso... | 04/13/1982 |
| 4296571 | Profile grinding apparatus A profile grinding apparatus comprising a stationary frame, a template support table and a workpiece support table. The workpiece support table is mounted at a fixed position on the frame. A pantograph and parallelogram assembly is mounted on the frame fo... | 10/27/1981 |
| 4255904 | Universal positioning support for grinder wheels An apparatus for universally supporting and positioning a rotating grinder wheel comprising a support base carrying a cage which rotates about a horizontal axis, and with a horizontally reciprocating frame mounted within the cage for rotation with the cag... | 03/17/1981 |
| 4248019 | Workpiece conditioning grinder control system An elongated metal workpiece such as a slab or billet is moved longitudinally beneath a grinding head by a reciprocating car mounted on an elongated track. The grinding head includes a rotating grinding wheel mounted at the end of a first arm which is piv... | 02/03/1981 |
| 4112626 | Automatic deseaming apparatus for elongate block of metallic material An automatic deseaming apparatus for an elongate block of metallic material comprises a defect marking detector for detecting defect markings which consist of a material containing a fluorescent pigment and have been deposited on defects in the surface of... | 09/12/1978 |
| 4102245 | Door frame truing apparatus A machine or apparatus has been devised for accurately reconditioning or truing the sealing rim or flange of a door or window frame of a heavy piece of equipment, such as a furnace or coke oven that is subjected to relatively high and variable temperature... | 07/25/1978 |
