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| Number | Title | Issue Date |
| 7390241 | Linear motion apparatus and method for manufacturing thereof A linear motion apparatus has a guide shaft including a spiral-shaped or linear-shaped rolling element rolling groove, a movable body including a spiral-shaped or linear-shaped rolling element rolling groove opposed to the rolling element rolling groove of the guide... | 06/24/2008 |
| 7269472 | Many-headed grinding machine and grinding method using many-headed grinding machine A control device 40 controls the grinding processing at a processing portion of a work W so as to shift to the last precision grinding step from a rough grinding step through a middle grinding step and a finishing grinding step. When the grinding in each step... | 09/11/2007 |
| 7226344 | Method of processing antifriction bearing unit for wheel A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer ... | 06/05/2007 |
| 7166013 | Polishing apparatus and method for producing semiconductors using the apparatus The present invention relates to a polishing apparatus, and a semiconductor manufacturing method using the apparatus. Dressing of a grindstone surface is ground by sizing processing whereby dressing of a tool surface can be done while preventing occurrence of cracks... | 01/23/2007 |
| 7083504 | Method of processing antifriction bearing unit for wheel A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer ... | 08/01/2006 |
| 7008311 | Lapping tool A lapping tool capable of increasing the accuracy of a lapping operation, extending the life of lapping tool itself, adjusting a lapping diameter, and coping with the lapping operation of various diameters, comprising a lapping tool body having a lapping part on the... | 03/07/2006 |
| 6969508 | Buccal, polar and non-polar spray or capsule containing drugs for treating pain Buccal aerosol sprays or capsules using polar and non-polar solvent have now been developed which provide biologically active compounds for rapid absorption through the oral mucosa, resulting in fast onset of effect. The buccal polar compositions of the invention co... | 11/29/2005 |
| 6939206 | Method and apparatus of sealing wafer backside for full-face electrochemical plating The present invention provides a wafer carrier that includes a plurality of concentric sealing members that provide a seal, with the outer seal independently movable to allow cleaning of a peripheral backside of the wafer to occur while the wafer is still attached t... | 09/06/2005 |
| 6932681 | Cleaning method and cleaning device for fluid dynamic bearings component The present invention provides a method and device for cleaning the oxide layer created on the bearing surface of a fluid dynamic bearing by the electrochemical machining of pressure generating grooves onto the bearing surface, wherein the method involves spraying a... | 08/23/2005 |
| 6904679 | Linear rolling bearing A linear rolling bearing has a guide carriage (1) that is U-shaped in cross-section and has two U-legs (6). The guide carriage (1) is slidably supported through balls (3) on two longitudinal sides of a guide rail (2). Each U-leg ( | 06/14/2005 |
| 6881126 | Traction drive rolling element and method of forming the same A method of forming a traction drive rolling element including: forming a preform having a working surface with an arcuate profile in section taken along a central axis; supporting the preform to be rotatable about the central axis; allowing a relative movement betw... | 04/19/2005 |
| 6796882 | Appliqué film and paint treatment removal tool An appliqué film and paint removal tool includes a central rotating shaft, a spring-loaded locator pin, at least three freely rotating bearings, an arbor, and a collar. The rotating shaft may be centered with the locator pin and pushed down until the bearings touch... | 09/28/2004 |
| 6726544 | Method and apparatus for superfinishing tapered roller bearing A superfinishing method of a tapered roller bearing, including the steps of: rotating an outer ring of the tapered roller bearing about a center axis thereof; inserting a straight-shaped superfinishing stone from a front face of outer ring; and slidingly contacting ... | 04/27/2004 |
| 6579156 | Method of working hub ring of wheel bearing assembly The aim is to make unnecessary secondary turning of a hub ring of a wheel bearing assembly by improving the run-out accuracy of a wheel-mounting flange and the coaxiality of the brake pilot portion. With the brake pilot portion of the wheel-mounting flang... | 06/17/2003 |
| 6572452 | Disc for toroidal type continuously variable transmission and working method therefor An inner surface 16a of a torque transmitting disc of a toroidal type continuously variable transmission can be finish-worked without also enhancing accuracy of a cylindrical surface as an outer peripheral surface of the disc. The inner surface is finish-... | 06/03/2003 |
| 6527623 | Method of treating a surface with hard particles using free running rollers A method of treating a surface of a component formed from a base material is described. The method comprises the steps of bringing the surface into proximity with free running rollers, the surface being moved relative to the free running rollers with a co... | 03/04/2003 |
| 6435954 | Abrasive machine for machining a flange on a work piece A machine for machining a flange on a work piece comprises a rotated tool, chucking equipment and feeding means for relative displacement between work piece and tool, a tubular cylindrical housing with longitudinal axis and an inner space, with an axis of... | 08/20/2002 |
| 6428214 | Wheel bearing unit A wheel bearing unit is with an outer race member having two rows of raceway surfaces formed in its inner peripheral surface. In the vicinity of the groove bottom portion of the raceway surface of an inner race member is provided a projection having a dia... | 08/06/2002 |
| 6341421 | Production method of porous static-pressure air bearing Metal powder is filled in a through-hole of a base member and a base porous body is formed by bonding the metal powder with each other and by bonding the metal powder to the base member so that an end surface on a bearing surface of the metal powder fille... | 01/29/2002 |
| 6332265 | Rolling bearing manufacturing apparatus and method A rolling bearing manufacturing apparatus is used to work the two races of a rolling bearing and then assemble the thus worked outer and inner races together with a plurality of rolling elements into the rolling bearing. The present apparatus comprises an... | 12/25/2001 |
| 6113461 | Grinding method utilizing grinding sharpness of grinding element In order to eliminate a delay in a driving system and a control system during sequential operation of various component parts, to thereby realize a high speed and easy multi-axis control, a work delivery and removing device (7), a grindstone retracting de... | 09/05/2000 |
| 5916013 | Inner race grinding machine A grinding machine for grinding an inner race of a constant velocity joint, which contains a grinding wheel with a concentric peripheral surface of boron nitride, and a device for rotating the grinding wheel at a speed of at least about 5,000 revolutions ... | 06/29/1999 |
| 5772494 | Eccentric orbiting type planetary gear device, and its manufacturing method The invention relates to an eccentric orbiting type planetary gear device which requires no pre-load adjustment for the bearing, and is small in the number of components when compared with the conventional device, and is improved in performance and in ass... | 06/30/1998 |
| 5711074 | Method of producing split bearings In a method of producing split bearings, comprising the steps of forming at least one of the two end surfaces of a bearing ring 1 with notches 2 being on a dividing line for splitting, and pressing the bearing ring 1 between upper and lower molds 4 and 5 ... | 01/27/1998 |
| 5681209 | Housing grinding machine A grinding machine for regrinding a housing of a constant velocity joint which contains a grinding bit, a high speed spindle, a lubricating fluid injection system, and devices for rotating the housing, for moving the housing in the X axis, for moving the ... | 10/28/1997 |
| 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 |
| 5313745 | Tread edge grinding method and apparatus A method and apparatus (10) for grinding the edge of a precured tread (100) is described. The method for removing material from and shaping an edge of a precured tread comprises the steps of: a) placing the edge of the tread in a V-shaped groove of a grinding ... | 05/24/1994 |
| 5218764 | Method of manufacturing a rotary bearing assembly having an insertion hole A rolling contact type rotary bearing assembly includes a pair of inner and outer rings and a plurality of rolling members interposed therebetween. When an insertion hole for feeding the rolling members into a guide space defined between the inner and out... | 06/15/1993 |
| 5174069 | System for grinding rings with mechanical holding A method of grinding an annular workpiece having an inner peripheral surface and an outer peripheral surface at least one of which is centered on a workpiece axis comprises the steps of holding the workpiece in a chuck rotatable about the axis and rotatin... | 12/29/1992 |
| 5148638 | Apparatus for grinding an annular workpiece An apparatus for grinding annular workpieces has a predetermined number of grinding stations including an upstream station and a downstream station, the stations are spaced a predetermined distance from one another along a straight path, a holder at each ... | 09/22/1992 |
| 5086592 | Grinding tool and method of using same A grinding tool adapted to be mounted on an end of an arbor and rotated thereby about an axis in contact with a workpiece is unitarily formed with a head and a foot. The head has a frustoconical front end face centered on the axis, turned away from the ar... | 02/11/1992 |
| 5031303 | Methods and device for accurately positioning a roller segment for the purpose of finishing its pivoting bearing surface, and a method for machining the seats of device of this kind A roller segment (14) is held for the purpose of machining a spherical internal bearing surface (10). Its toric external surfaces (18) is supported against two fixed seats (17), immobilized with respect to rotation about an axis (VV') passing through the ... | 07/16/1991 |
| 5025595 | Method and device for finishing a concave spherical bearing surface on a roller segment, particularly for a homokinetic joint A segment (14) is held for the purpose of grinding its spherical internal bearing surface (10). A toric external surface (18) is supported by claws (21) against fixed (17) and movable (19) seats in such a manner as to have a center (T) and an axis (UU') a... | 06/25/1991 |
| 4918862 | Method for grinding trochoidal and circular bearing races A method for grinding epitrochoidal, hypotrochoidal, and circular bearing races in one set-up without moving the part and insuring near perfect concentricity between all of the bearing races. A machine blank is mounted on an upper rotary table that is in ... | 04/24/1990 |
| 4891914 | Computer controlled universal grinder and method for grinding trochoidal and circular bearing races A grinding machine for grinding epitrochoidal, hypotrochoidal, and circular bearing races in one set-up without having to move the part and to insure near perfect concentricity between all of the bearing races. A machine blank is mounted on an upper rotary tab... | 01/09/1990 |
| 4813186 | Apparatus for converting a compressed air operating pulse to a hydraulic operating pulse for a grinding machine especially for a precision griding machine An apparatus is provided for converting a pressurized air operating impulse to a hydraulic operating impulse, especially for a precision grinding machine. The apparatus comprises at least one tool support, a compressed air control system for a plurality o... | 03/21/1989 |
| 4788758 | Method of making axially hardened bearings A method of forming a ball bearing assembly capable of withstanding, in a non-operating mode, an axial load exceeding a predetermined axial load at which bearing damage would otherwise occur includes the following steps: assembling a bearing assembly with... | 12/06/1988 |
| 4729196 | Apparatus for machining rail bearing surfaces Machining apparatus (10) which can be mounted on the cage (15) of a slew bearing (12) to grind the bearing surface (23) of a rail section (13). The machining apparatus is provided with a grinding profile 30 which it may follow to perform the desired cut a... | 03/08/1988 |
| 4693040 | Simultaneously ground type bearing body and unlimited sliding bearing unit employing the same A bearing body of substantially U-shaped cross section has right and left skirts interposing therebetween a central cavity formed in its central lower part as well as opposite recesses formed in the inner peripheral side surfaces of the skirts. The bearin... | 09/15/1987 |
| 4644702 | Simultaneously ground type bearing body and limited sliding bearing unit employing the same A bearing body of substantially U-shaped cross section has right and left skirts interposing therebetween a central cavity formed in its central lower part as well as opposite recesses formed in the inner peripheral side surfaces of the skirts. The bearin... | 02/24/1987 |
