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| Number | Title | Issue Date |
| 7435007 | Self-aligning roller bearing A roughness of an outer ring raceway surface 14 formed on an inner peripheral surface of an outer ring 13 is made larger than a roughness of inner ring raceway surfaces 12a, 12b of an inner ring 11. Also, an average r... | 10/14/2008 |
| 7435308 | Rolling bearing An inner ring 2 and an outer ring 3 of a rolling bearing 1 are made from steel that contains carbon in the range of 0.65 to 1.25% by mass, silicon in the range of 0.7 to 2.5% by mass, manganese in the range of 0.1 to 1.5% by mass, chromium in th... | 10/14/2008 |
| 7418939 | Crankshaft assembly with coated crank pin The invention provides a motorcycle having a frame, an engine coupled to the frame, and a crankshaft assembly. The crankshaft assembly includes a first flywheel half having an aperture, a crank pin including a first end portion, a second end portion opposite the fir... | 09/02/2008 |
| 7390128 | Rolling sliding member, process for the production thereof and rolling sliding unit A formed film is formed on the surface of a metal substrate made of an iron-based metal. Thereafter, the surface of the formed film is subjected to treatment for lessening surface roughness such as rolling. In this arrangement, a member which exhibits a sufficient s... | 06/24/2008 |
| 7367301 | CAM follower There is provided a cam follower in which a surface roughness of an outer surface of a roller of a cam follower which is in rolling contact with a cam of an engine is obtained individually in an axial direction and a circumferential direction, a skewness Rsk of a pr... | 05/06/2008 |
| 7323254 | Layered material The invention relates to an alloy consisting of at least three components A, B, C, which form at least a first matrix and a soft phase dispersed therein, with a first surface (5) and a second surface (9) lying opposite it, the proportions of components... | 01/29/2008 |
| 7296933 | Tapered roller bearing A tapered roller bearing 1 comprises an inner ring 2, an outer ring 3, a plurality of tapered rollers 4 rollably disposed between the inner and outer rings, and a cage 5 for holding the tapered rollers at predetermined circumferent... | 11/20/2007 |
| 7275319 | Rolling element bearing having starved lubrication conditions A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element... | 10/02/2007 |
| 7270892 | Friction bearing The invention describes a friction bearing with a steel support shell and a lead-free bearing metal layer on the basis of copper with the main alloy elements of tin and zinc, which layer is applied to the support shell. In order to combine advantageous sliding prope... | 09/18/2007 |
| 7249638 | Impact wrench anvil and method of forming an impact wrench anvil An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in the tapered ramp. ... | 07/31/2007 |
| 7241723 | Bearing cleaning composition and method of use A composition for cleaning bearings in rotating equipment and industrial machinery that contains powdered limestone having a high calcium content dispersed in a calcium sulfonate grease, together with a colorant that readily enables a user to differentiate between c... | 07/10/2007 |
| 7222425 | Method of forming engine bearing A journal bearing has a lining of bearing metal applied to a steel backing. The surface of the lining is laser peen hardened to locally increase the hardness and the seizure resistance of the lining. The underlying core of the lining is unaffected and maintains good... | 05/29/2007 |
| 7163368 | Hydrodynamic bearing runner for use in tilting pad thrust bearing assemblies for electric submersible pumps An electrical submersible pump runner having a core layer and a wear layer affixed to the core layer. One embodiment of the invention provides an electrical submersible pump that includes a motor section and a centrifugal pump section. A seal section and rotary gas ... | 01/16/2007 |
| 7150565 | Cylindrical roller bearing Contact surface pressure P increases rather drastically in proportion to skew angle θ within the range of 0 | 12/19/2006 |
| 7147382 | Support structure in crank mechanism and component constituting crank mechanism A component of a crank mechanism is incorporated in the crank mechanism that converts reciprocating motion of a piston to rotary motion by means of a crank pin, a crank arm and a crank shaft via a connecting bar, and has a hydrogen content of no more than 0.5 ppm, a... | 12/12/2006 |
| 7137741 | Rolling bearing A rolling bearing intended for longer life by improving seizure resistance and wear resistance in the circumstance with slip contact or in the circumstance where lubricant tends to be exhausted, which is manufactured by applying carburization or carbonitridation to ... | 11/21/2006 |
| RE39377 | Sliding bearing A helical groove 1B is formed in the sliding surface 1A of a sliding bearing 1 over the entire axial region thereof. To establish the height of a peak 1a defined by the helical groove 1B, an imaginary reference line L extending par... | 11/07/2006 |
| 7114854 | Thrust roller bearing and cage An object is to provide a cage and a thrust roller bearing with improved oil passage performance of a lubricating oil in the inside of a bearing while holding a needle roller in a stable manner so as to ensure excellent durability. The thrust roller bearing includes... | 10/03/2006 |
| 7104697 | Bearing part and fabrication method therefor In a heat treatment wherein a blank (intermediate material) formed with a lubrication hole is heated and quenched, the quenching of the blank is terminated at the point of time that a temperature at a portion corresponding to a depth from a raceway surface (surface ... | 09/12/2006 |
| 7066655 | Thrust bearing An integral type thrust bearing is proposed which can be manufactured with fewer heat treatment steps. The retainer and the inner and outer rollers not hardened are assembled together with rollers into a bearing and thereafter the assembled bearing is carburized, ha... | 06/27/2006 |
| 7037386 | Rolling bearing for continuously variable transmission A rolling bearing for belt-type continuously variable transmission with a metal belt including pieces has an inner ring; an outer ring; and rolling elements, wherein at least one of the inner ring, the outer ring and the rolling element is made of an iron alloy havi... | 05/02/2006 |
| 7004637 | Wheel-support rolling bearing unit In a wheel-support rolling bearing unit, in order to made a flange 6 thinner and thus lighten the bearing unit without impairing fatigue strength, machinability, and workability after forging, the composition of the alloy steel constituting the flange attache... | 02/28/2006 |
| 7001078 | Rolling bearing unit A rolling bearing unit includes a shaft body, an inner ring mounted on the shaft body, an outer ring concentric with the inner ring, and a plurality of balls between the inner ring and the outer ring. A caulking portion to be caulked onto the outer end face of the i... | 02/21/2006 |
| 6997295 | Clutch having elements capable of independent operation A freewheeling clutch includes torque transmitting elements disposed between an inner race and an outer race. The elements include active surfaces that may be defined by an angularly variable radius of curvature that varies with respect to roll angle at an increasin... | 02/14/2006 |
| 6971800 | Rollers for a zero clearance bearing A shaft and bearing assembly comprising a soft shaft having an outer contact surface having a hardness less than 30 HRC and a bearing assembly having a plurality of rollers. The bearing assembly is configured to be positioned about the shaft with the rollers in roll... | 12/06/2005 |
| 6948228 | Ratchet type one-way clutch and method of manufacturing the same A ratchet type one-way clutch in which an outer ring is made of aluminum is improved in durability. In order to solve such problems as an increase in the number of parts, complication, bulkiness, an increase in weight and an increase in cost, there is provided a one... | 09/27/2005 |
| 6942389 | Engine bearing A journal bearing has a lining of bearing metal applied to a steel backing. The surface of the lining is laser peen hardened to locally increase the hardness and the seizure resistance of the lining. The underlying core of the lining is unaffected and maintains good... | 09/13/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6933054 | Bearing material for the manufacture of wear-resistant slide bearings made of a copper-aluminum-alloy with defined cover layers A bearing material for the manufacture of wear-resistant slide bearings made of a Cu—Al-alloy, consisting of 0.01 to 20% Al, optionally further elements, the remainder copper and the common impurities. The slide bearing has for this purpose an outer, wear-reducing... | 08/23/2005 |
| 6896416 | Rolling-bearing and bearing unit A rolling bearing 10 comprises races 11, 12 having a raceway 15, 16 and rolling elements 13 having a rolling contact surface, wherein at least the raceway 15, 16 of the races 11, 12 has a machined surface, and a surface laye... | 05/24/2005 |
| 6874943 | Antifriction bearing and process for producing outer race for use in antifriction bearing An antifriction bearing comprises an inner race, an outer race having an outer peripheral surface to be brought into contact with other member for use as a roll, and a plurality of rolling elements arranged between the inner and outer races. The portion of the outer... | 04/05/2005 |
| 6858100 | Rolling bearing A rolling bearing including a rolling element made of steel is provided. The rolling element has a hardness of 620 to 750 HV in its interior. The rolling element is so constructed that the hardest point may exist within a depth of 10% of its diameter from a rolling ... | 02/22/2005 |
| 6848832 | Surface-treated rolling bearing and manufacturing method thereof In a rolling bearing put under a working circumstance in which water tends to intrude into lubricants, it has been known such a phenomenon that hydrogen ions formed by decomposition of the lubricants are adsorbed to raceway surfaces and accumulated as hydrogen atoms... | 02/01/2005 |
| 6845686 | Cam follower with roller A cam follower with roller of the present invention includes a cam follower body having a roller supporting portion integrated therein, a roller supporting shaft having both ends fixed to the roller supporting portion and a roller rotatably supported on the roller s... | 01/25/2005 |
| 6837946 | Method for the production of a part of a rolling bearing Method for the production of a part of a rolling bearing, such as a ring for a ball bearing. The starting material used is a grade of steel containing 0.90 1.00% C; at most 0.15% Si; 0.25-0.45% Mn; at most 0.0015% P; at most 0.010% S; 1.30-1.50% Cr; at most 0.15% Ni... | 01/04/2005 |
| 6802651 | Retainer The present invention provides a cage in which a nitride layer is formed on the surface by using an iron and steel material with a carbon content of 0.25% by weight or less, fabricating it into a predetermined shape and conducting nitriding, which is more excellent ... | 10/12/2004 |
| 6746365 | Toroidal-type continuously variable transmission The toroidal-type continuously variable transmission comprises an input shaft rotatably supported, an input side disk, an output side disk, a plurality of trunnions, a plurality of power rollers, and a plurality of thrust rolling bearings 32, in which the mut... | 06/08/2004 |
| 6733182 | Rolling bearing To provide a rolling bearing for a man-made satellite which is free from the damages, e.g., formation of the band mark on the surfaces of the rolling elements, and the losing of the luster of the surfaces thereof. There is provided a rolling bearing, which is used m... | 05/11/2004 |
| 6726728 | Rolling bearing A rolling bearing such as a rolling bearing for an alternator of an automobile, the life period of which is prevented from being shortened due to the temporal reduction of a radial internal clearance even in a high temperature environment. The rolling bearing includ... | 04/27/2004 |
| 6719854 | Rolling Bearing There are provided a rolling bearing comprising an outer race, an inner race, and a plurality of rolling elements each interposed between the outer race and the inner race, at least one of the outer race, the inner race and the rolling elements being made of a steel... | 04/13/2004 |
