Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8057104 | Angular contact roller bearings, in particular multi-row ball roller bearings The angular contact roller bearing has an outer bearing ring, an inner bearing ring, a plurality of ball rollers arranged between the rings, and a bearing cage. The ball rollers in the two adjacent rows have pressure angle axes extending parallel to one another and ... | 11/15/2011 |
| 8047723 | Single-row spherical roller bearing with increased axial load capacity A radial anti friction bearing (1) which is configured as a single-row spherical roller bearing, which includes an outer bearing ring (2), an inner bearing ring (3) and a plurality of spherical rollers (5) that are arranged between the be... | 11/01/2011 |
| 8007185 | Radial rolling bearing The radial rolling bearing has an outer bearing ring, an inner bearing ring, and spherical rollers arranged between bearing rings. The spherical rollers have two flat side faces arranged parallel to one another. The spherical rollers are retained with uniform spacin... | 08/30/2011 |
| 7891880 | Radial rolling bearing, especially single-row deep groove rolling bearing A radial rolling bearing, which has an outer bearing ring, an inner bearing ring, and rollers, which are arranged between the bearing rings and held at uniform distances from one another in a peripheral direction by a bearing cage in individual cage pockets. The rol... | 02/22/2011 |
| 7828484 | Radial antifriction bearing, particularly a single-row grooved antifriction bearing or angular contact antifriction bearing The radial antifriction bearing has an outer bearing ring, an inner bearing ring and roller bodies, which are arranged between the bearing rings, are held at uniform distances from one another in the peripheral direction by a bearing cage. The roller bodies are disc... | 11/09/2010 |
| 7819589 | Radial roller bearing, in particular a single-groove grooved ball bearing A radial roller bearing, which is a single-grooved ball bearing. The bearing bodies are spherical disks with two symmetrical, parallel lateral surfaces from a spherical base shape. The bearing has a larger contact surface of the spherical disk in relation to the bea... | 10/26/2010 |
| 7488113 | Roller bearing for belt-type stepless speed changer In a cylindrical roller bearing 20 for continuously variable belt and pulley transmissions which is used at rotational support portions of a continuously variable belt and pulley transmission and in which a plurality of cylindrical rollers 23 are rolla... | 02/10/2009 |
| 7416346 | Cylindrical roller bearing A cylindrical roller bearing includes an inner ring having a flange portion provided with a roller guide-surface which guides the end faces 4a of the cylindrical rollers having diameter of Da. The end face 4a away from a center axis of th... | 08/26/2008 |
| 7377042 | Method of cold-forming near net shape metal roller blanks for anti-friction bearings A machine, method and tooling to precision cold-form roller blanks for anti-friction bearings. The machine is a multistage progressive former using floating die cavities to enable simultaneous shaping of the ends of the roller with high accuracy and without flash. T... | 05/27/2008 |
| 7357234 | Roller type one-way clutch and roller for the roller type one-way clutch A roller type one-way clutch includes an outer ring and an inner ring disposed concentrically with each other for rotation relative to each other, the outer ring having an axially extending annular inner peripheral cam surface, the inner ring being disposed in the o... | 04/15/2008 |
| 7338213 | Barrel-shaped bearing A barrel-shaped bearing which comprises an external ring and an internal ring, at least one row of barrel-shaped rolling bodies arranged therebetween, the cage in the form of a disk which turns together with the rolling bodies, engages inside a peripheral groove aro... | 03/04/2008 |
| 7281855 | Tapered roller bearing and final reduction gear A tapered roller bearing includes: an outer race including an outer raceway surface; an inner race including an inner raceway surface and a larger collar surface which is a concave curved surface; and tapered rollers provided between the outer and inner races, each ... | 10/16/2007 |
| 7137896 | Multi-roller ball for constant velocity joints A constant velocity joint includes an outer joint member, an inner joint member, torque transmitting ball assemblies guided in pairs of tracks, and a cage having windows for receiving the ball assemblies and cage webs defined between the windows. Each ball assembly ... | 11/21/2006 |
| 7063580 | Ship employing a buoyant propulsion system A ship employing a buoyant propulsion system. A preferred such ship comprises a superstructure, a backbone, and a sub-structure. The backbone supports the superstructure. The sub-structure depends from the backbone and adapted to float the backbone and the superstru... | 06/20/2006 |
| 6896414 | Ball roller The ball roller according to the present invention has a unique shape so that it can be handled just as easily as a conventional ball while being endurable against high load as is a roller. The ball roller comprises a rolling portion having an arcuate surface, and t... | 05/24/2005 |
| 6814494 | Sealed spherical roller bearing for dragline swing shaft A spherical roller bearing having a sealing arrangement and a closure arrangement to prevent the loss of lubricants from the bearing and to prevent the entrance of contaminants into the bearing. ... | 11/09/2004 |
| 6767134 | Roller bearing The contact portion of the end face of a conical roller, which is a portion to be slidingly contacted with a collar portion, is ground such that the outer contour line of the section thereof has a continuously curved line which passes through at least not only the f... | 07/27/2004 |
| 6709164 | Tapered roller bearing A tapered roller bearing comprises: an outer race 12 having a raceway surface 21; an inner race 11 having a raceway surface 20; and a plurality of rolling elements 15 located between the raceway surfaces and formed by third generat... | 03/23/2004 |
| 6623168 | Tapered roller bearing The large-end-face roughness ς1 of the tapered roller is set to be not less than 0.04 μmRa, consequently the assembling torque becomes generally constant and smaller in fluctuation over a range that the cone-back rib face roughness ς2 | 09/23/2003 |
| 6616339 | Roller bearing The roller bearing 10 comprises a plurality of rollers 15 which are respectively interposed between a concave-shaped race surface 12 formed on an outer race 11 and a concave-shaped race surfaces 14 formed on an inner race 13. Each of the rollers 15 is str... | 09/09/2003 |
| 6579011 | Antifriction bearing An antifriction bearing includes a plurality of rolling elements each having a lateral surface possessing a conical shape, with the rolling elements being positioned between a conical raceway and a cylindrical raceway to roll along the conical raceway and... | 06/17/2003 |
| 6513985 | Roller bearing In the roller bearing, plural of rollers 15 are interposed between an outer raceway 11 of an outer race 12 and an inner raceway 13 of an inner race 14, and a collar portion 16 is formed along one of the axial-direction end portions of the inner raceway 13... | 02/04/2003 |
| 6502996 | Bearing with low wear and low power loss characteristics A tapered roller bearing that is well-suited for supporting a pinion in an automotive differential has a cone and a cup provided with opposed raceways that are crowned. The cone also has a thrust rib provided with a rib face at the large end of its racewa... | 01/07/2003 |
| 6398417 | Rolling member A rolling member is utilized for such as a rolling bearing and the rolling members are disposed to be rollable between members which are relatively movable with respect to each other. The rolling member is provided with a rolling portion contacting the mo... | 06/04/2002 |
| 6390685 | Roller bearing When a crowning is subjected to a roller or on a rolling surface using a combination of two arcs, a crowning profile is specified in such a manner that each crowning quantity at two points where distances x in a bus extending direction from the center lin... | 05/21/2002 |
| 6354745 | Fully self-aligning roller bearing An antifriction bearing having inner and outer races and rollers between the races accommodates axial misalignment of the races and also axial displacement of one race relative to the other. In one form, the inner race has a cylindrical raceway presented ... | 03/12/2002 |
| 6318897 | Roller bearing and a method of producing the same A bearing is provided which can be sufficiently processed by a usual NC grinding machine, and attain a life period that is substantially equal to that of a bearing having a theoretical crowning shape which is derived from the elastic contact theory, even ... | 11/20/2001 |
| 6315458 | Roller bearing The roller bearing 10 comprises a plurality of substantially cylindrical-shaped rollers 15 which are respectively interposed between a concave shaped race surface 12 formed on an outer race 11 and a concave-shaped race surfaces 14 formed on an inner race ... | 11/13/2001 |
| 6311660 | Rolling-contact cylindrical element In a case where crowning is provided on a contact surface of a tappet roller by the combination of, for example, two circular arcs, a logarithmic crowning is determined in which an edge load does not occur in the bearing pressure even if its inclination w... | 11/06/2001 |
| 6296395 | Self-aligning roller bearing A self-aligning roller bearing includes an external ring with one curved external track, an internal ring with two curved internal tracks, two rows of rollers disposed between the external and internal rings, and a guide ring. The guide ring is located be... | 10/02/2001 |
| 6267510 | Roller bearing A roller bearing with roller elements constructed as rollers (4) or balls arranged between an inner race (3) and an outer race (5), and with a thick-walled outer ring (6) if provided. The inner surface of the outer ring forms the outer race (5) and the ou... | 07/31/2001 |
| 6261203 | Toroidal type continuously variable transmission In the toroidal-type continuously variable transmission, the radial needle roller bearing includes a plurality of needle rollers, the two end portions of each of the needle rollers in the axial direction thereof are crowned, and the crowning amount is set... | 07/17/2001 |
| 6227711 | Roller bearing A roller bearing with symmetric barrel shaped rollers comprising an inner race (13), an outer race (14) and rollers (11), each of which rollers have at least one rounded end, and being of the bearing type where rollers and race tracks have longitudinal se... | 05/08/2001 |
| 6149312 | Roller bearing A roller bearing comprising an inner and an outer ring in concentrical arrangement, a series of roller elements being arranged in the space between said rings and being in contact with raceways provided in said rings. The bearing is characterized in that ... | 11/21/2000 |
| 6126322 | Vehicle wheel supporting structure A muddy-water-proofed vehicle wheel supporting structure for mounting a wheel through a double-row tapered roller bearing on an end of an axle comprises a seal member interposed between a shoulder of the axle and a part constituting a sealing device, for ... | 10/03/2000 |
| 6116785 | Self-aligning roller bearing A solid lubrication type self-aligning roller bearing is low in frictional torque and high in high-speed rotation performance. Only the space between fingers of the retainer protruding into the spaces between the outer ring and adjacent rollers arranged i... | 09/12/2000 |
| 6086261 | Tapered roller bearing The raceway groove width (W) of the inner ring 2 and the length (L) of the tapered roller 3 are finished within predetermined dimensional tolerances. The retaining rib face 2b of the inner ring 2 is machined such that it is a surface parallel to the small... | 07/11/2000 |
| 6086259 | Change bearing for rollers A change bearing for rollers includes a mounting ring and a roller bearing set into the mounting ring. The mounting ring has a bore and an outside radial surface, and the roller bearing includes an inside ring, an outside ring and a plurality of cylinder-... | 07/11/2000 |
| 6033122 | Method for clearance adjustment in a rolling bearing The present invention refers to a method for clearance adjustment in a rolling bearing having an angle of contact close to 0°, and of the type incorporating a number of rollers provided between and in contact with two race tracks, said rollers and race t... | 03/07/2000 |
| 5890815 | Roller bearing A roller bearing comprising an outer ring having an outer ring raceway, an inner ring having an inner ring raceway, the inner peripheral surface at the end portion of the outer ring and/or the outer peripheral surface at the end portion of the inner ring ... | 04/06/1999 |
