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| Number | Title | Issue Date |
| 7172495 | Method and apparatus using a sensor for finish-machining teeth Teeth of a workpiece of a workpiece are finish-machined by first gauging shapes of the workpiece teeth and generating actual-value signals corresponding thereto. These actual-value signals are compared to set points representing desired tooth shapes, and the teeth o... | 02/06/2007 |
| 7004826 | Device for smoothing gear wheels An apparatus for smoothing gear wheels has a single smoothing wheel and two further smoothing wheels opposite the single smoothing wheel. A clamping device for axially clamping the gearwheel to be smoothed can oscillate in a direction perpendicular to its rotation. ... | 02/28/2006 |
| 6958000 | Finishing wheel holding mechanism for gear finishing apparatus A finishing wheel holding mechanism for a gear finishing apparatus using a finishing wheel having internal teeth, which permits simple and quick fitting or replacement of a finishing wheel is provided. The finishing wheel holding mechanism comprises a head frame ... | 10/25/2005 |
| 6776688 | Real-time polishing pad stiffness-control using magnetically controllable fluid A method of CMP polishing of a semiconductor wafer is described that includes using a polishing pad on a platen/table with the polishing pad including a sub-pad containing pockets of magnetorheological fluid. The stiffness of the sub-pad is controlled by selectively... | 08/17/2004 |
| 6193591 | Loading system and collect assembly for grinding a workpiece An assembly for holding a cylindrical workpiece for grinding, including a support frame having at least one support arm extending to initially hold the workpiece and operable to disengage from the workpiece during grinding, a tailstock slidably mounted on... | 02/27/2001 |
| 6183353 | Apparatus for polishing surgical stents A method for polishing radially expandable surgical stents is disclosed where fluid abrasive media M flows over surfaces of the stent 10 causing the surfaces of the stent 10 to be polished and streamlined. The stent 10 is temporarily provided with cylindr... | 02/06/2001 |
| 6139407 | Method for processing using beam of magnetic line of force, apparatus for carrying out said method, and carriage member for hard disk drive processed by said method The present invention provides a method for processing such as deburring, polishing and washing of surfaces of slits of a workpiece, having slits with narrow width from outer surface toward inside, with high accuracy and high efficiency. Magnetic abrasive... | 10/31/2000 |
| 6086455 | Apparatus for polishing surgical stents A method for polishing radially expandable surgical stents is disclosed where fluid abrasive media M flows over surfaces of the stent 10 causing the surfaces of the stent 10 to be polished and streamlined. The stent 10 is temporarily provided with cylindr... | 07/11/2000 |
| 5954568 | Method, tool and device for the profiling of grinding worms for continuous gear grinding The profiling tool (10) has a segment (12) of a worm thread. Its active zone (13) is coated with grains of hard material (16) and is crowned in cylinder sections coaxial to the tool axis (26). During profiling, the grinding spindle (2) and the tool (10) r... | 09/21/1999 |
| 5577948 | Magnetorheological polishing devices and methods A method of polishing an object is disclosed. In one embodiment, the method comprises the steps of creating a polishing zone within a magnetorheological fluid; determining the characteristics of the contact between the object and the polishing zone necess... | 11/26/1996 |
| 5538462 | Lapping compound supply system for a gear finishing machine A lapping compound mixing and supply system wherein lapping compound is recirculated to the mixing vessel when not supplied to the lapping chamber of a machine tool such as a gear lapping machine. Lapping compound is pumped at about a first range of pump ... | 07/23/1996 |
| 5449313 | Magnetorheological polishing devices and methods A method of polishing an object is disclosed. In one embodiment, the method comprises the steps of creating a polishing zone within a magnetorheological fluid; determining the characteristics of the contact between the object and the polishing zone necess... | 09/12/1995 |
| 5347760 | Gear finishing apparatus A gear finishing apparatus includes a bed having a horizontally extending guide member and a vertically extending guide member, a grinding wheel support unit movable along the horizontally extending guide member and having a grinding wheel unit, a ring-sh... | 09/20/1994 |
| 5191739 | Method and apparatus for lapping gear teeth while changing at least one of load torque, rotating speeds and rate of teeth contact point movement of the gears A method and an apparatus for lapping teeth of a pair of gears by rotating one of the gears in engagement with the other gear, while applying a load torque to the other gear and moving the gears relative to each other such that a teeth contact area of the... | 03/09/1993 |
| 5116391 | Curved surface rubbing apparatus A polishing apparatus in which one of two workpieces to be polished or abraded which contact each other at respective arcuate or spherical surfaces, is placed on a fixed base and turned or fixed in a horizontal plane with the other workpiece held under pr... | 05/26/1992 |
| 5079877 | Method for manufacture of toothed abrasive tool and method for finish-machining therewith A method for manufacture of a toothed abrasive tool mating with the machining gear wheel (2) from a flat abrasive wheel (1) comprising axial feed of the flat abrasive wheel (1) and delivery of free abrasive material into the contact zone, and a method for... | 01/14/1992 |
| 5076027 | Process for abrasive flow machining using multiple cylinders An apparatus for abrading a workpiece surface by extruding a flowable plastic abrading medium through a passageway which includes said workpiece surface. The apparatus utilizes at least three chambers for feeding and receiving said medium whereby at least... | 12/31/1991 |
| 4996796 | Process and apparatus of abrading by extrusion An apparatus for abrading a workpiece surface by extruding a flowable plastic abrading medium through a passageway which includes said workpiece surface. The apparatus utilizes at least three chambers for feeding and receiving said medium whereby at least... | 03/05/1991 |
| 4982532 | Method and apparatus for finishing gear tooth surfaces of a bevel gear A method and apparatus for finishing bevel gears has a pair of bevel gears which are rotatably engaged in a meshing fashion while being imparted with a brake force therebetween and one of the bevel gears is rocked against the other along a tooth profile d... | 01/08/1991 |
| 4972564 | Apparatus for correcting surface imperfections on a surface of gear tooth An apparatus for correcting surface imperfections, especially as by a blow, on a surface of gear tooth includes a supporting device for a work gear so as to be capable of vibrating the work gear in the direction of the axis of the latter and burnishing ge... | 11/27/1990 |
| 4947940 | Apparatus and method for removing oil spots from a surface A vibrator apparatus adapted for rubbing absorbent granules against a surface to remove oil spots therefrom. The apparatus comprises a platen having a generally flat lower face for engaging the surface, and a power driven shaft rotatably mounted on the pl... | 08/14/1990 |
| 4788476 | Machine for lapping two curved-tooth bevel gears A lapping machine for correcting the asymmetrical hardening distortions which occur during the hardening of gear wheels, especially bevel gears, is disclosed. This machine is particularly advantageous in connection with large bevel gear transmissions or d... | 11/29/1988 |
| 4746330 | Method and apparatus for lapping reel mowers The apparatus and method of this invention pertain to the sharpening of the blades of a reel mower having a framework about the reel. The apparatus comprises a belt having protuberances thereon, an assembly of pulleys and a drive motor for driving the bel... | 05/24/1988 |
| 4476654 | Spline gear reciprocating lapping machie An apparatus is presented which will automatically lap involute and strai internal or external gear splines. Lapping force is applied alternatively to the left and right side of each tooth flank. Automatic indexing to new radial positions about the circu... | 10/16/1984 |
| 4414780 | Gear burnishing and honing machine A gear finishing machine is provided which utilizes a driven rotary finishing gear and two idler finishing gears. In addition a reciprocating oscillatory mechanism that employs leaf springs as the coupling member, changes rotary into reciprocating motion,... | 11/15/1983 |
| 4305190 | Gear burnisher An improved gear burnisher for removing minor gear tooth defects by burnishing is provided by rotating the work gear to be burnished in mesh with three different burnihing gears, at least one of which is powered. The improvement consists of burnishing the... | 12/15/1981 |
| 4212572 | Gear teeth rotary-shaving or roll-finishing machine Machine for finishing gear wheel teeth by shaving or rolling by means of a toothed rotary tool adapted to operate in tight meshing engagement with the gear wheel for finishing the teeth thereof, which comprises means for supporting the tool along its axis... | 07/15/1980 |
| 4018008 | Lapping device Lapidary device for making composite jewelry from various combinations of stone pieces. The device has opposed jaws for holding two pieces of material together. By reciprocating one jaw a lap-grinding action is created which fits the two pieces together t... | 04/19/1977 |
| 3994098 | Apparatus for regulating the lapping pressure during lapping of two bevel gears in a lapping machine An apparatus for regulating the lapping pressure during the lapping of two bevel gears at a lapping machine comprising a device for driving one of the bevel gears and for braking the other bevel gear. A control mechanism for adjusting the desired lapping ... | 11/30/1976 |
| 3992937 | Apparatus for lapping and testing two meshing gears whose axes enclose a random angle with one another An apparatus for lapping and testing two gears which are in meshing engagement with one another and axes of which enclose a random angle with one another wherein an auxiliary device is arranged at a lapping- and testing machine for gears, the axes of whic... | 11/23/1976 |
| 3945151 | Apparatus for removing mortar from used brick Apparatus for removing mortar from opposite flat faces of a used brick including means supporting the brick on one of its flat faces for forward movement along a path, means adapted to advance the brick forwardly including means adapted to engage the bric... | 03/23/1976 |
