Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7427162 | Rolling element A low friction sliding combination of a cam and a cam follower which are in slidable contact with each other in presence of a lubricating oil. The cam follower includes a cylindrical and hollow outer roller having an outer peripheral surface in slidable contact with... | 09/23/2008 |
| 7322749 | Low-friction sliding mechanism A low-friction sliding mechanism includes first and second sliding members having respective sliding surfaces slidable relative to each other and a lubricant applied to the sliding surfaces of the first and second sliding members. At least the sliding surface of the... | 01/29/2008 |
| 7306374 | Special type bearing device The invention provides a special type bearing device that is insusceptible to damage, is light in weight, has a long service life and excellent wear resistance, is insusceptible to the effect of change in temperature, is easy to fabricate, and has little offensivene... | 12/11/2007 |
| 7296965 | Cryogenic bearings The bearing system includes a first component having a first substrate and a first coating. The first coating includes a DLC layer and a DLN layer between the DLC layer and the substrate. A second component is in sliding engagement with the first component. ... | 11/20/2007 |
| 7244686 | Bearings produced from silicon nitride substances containing sintering additives and SiO The present invention is directed to bearings produced from a silicon nitride material. The silicon nitride material consists of a sintering aid selected from the group consisting of Al2O3 and Y2O3, silicon dioxide, and op... | 07/17/2007 |
| 7207722 | Combined bearing A combined bearing includes a main body (10) and a mating member (30). The main body is generally cylindrical, with an axial hole (16) and a cutout (18) defined therein. The cutout is generally semi-cylindrical and spans from an outer sur... | 04/24/2007 |
| 7168857 | Special type bearing device The invention provides a special type bearing device that is insusceptible to damage, is light in weight, has a long service life and excellent wear resistance, is insusceptible to the effect of change in temperature, is easy to fabricate, and has little offensivene... | 01/30/2007 |
| 7094022 | Variable stator vane bushings and washers Materials, heretofore unknown for use in bearing assemblies, which produce equal or better wear resistance at reduced materials cost have been identified. These alternatives fall into three general categories: (1) solid materials from which bushings and washers can ... | 08/22/2006 |
| 7063207 | Long wear conveyor assembly A chain conveyor assembly having the combination of a polymeric material and a hard diamond-like coating at the frictional interface of the chain links. The conveyor chain preferably includes male and female links connected to one another by connector pins. The shaf... | 06/20/2006 |
| 7044644 | Electrically conducting ceramic bearings Electrically conducting ceramic bearings are described. All components of these bearings preferably comprise TSC, and may not require any conductive coating, or any lubricating coating. These bearings may comprise at least one rolling element such as a bearing ball,... | 05/16/2006 |
| 7040882 | Water-injected screw-type compressor A water-injected screw-type compressor element including a housing limiting a rotor chamber in which two cooperating rotors are arranged which, by means of axle ends, are beared with both extremities in water-lubricated slide bearings provided in the housing. Bearin... | 05/09/2006 |
| 7008113 | Roller bearing in a deep-drilling apparatus A ball-bearing unit for a bearing of a deep-drilling apparatus having bearing races made from steel with balls disposed therebetween. Contaminated drilling medium passes into the space between the bearing races. Load-bearing balls made from ceramic alternate with se... | 03/07/2006 |
| 6994474 | Rolling sliding member and rolling apparatus A rolling bearing includes: an inner ring mounted on a shaft to be supported; an outer ring provided around an outer periphery of the inner ring; a plurality of rolling elements rolling while contacting with an inner peripheral face of the outer ring and an outer pe... | 02/07/2006 |
| 6979129 | Self-lubricated connector A self-lubricating connector or roller is formed by molding a laminated bearing insert in-situ within a nylon support or member. The connector provides a one-piece, self-lubricating device to replace conventional multiple-piece bearing assemblies which typically inc... | 12/27/2005 |
| 6969198 | Low-friction sliding mechanism A low-friction sliding mechanism includes first and second sliding members having respective sliding surfaces slidable relative to each other and a lubricant applied to the sliding surfaces of the first and second sliding members. At least the sliding surface of the... | 11/29/2005 |
| 6962444 | Bearing for fuel pump, method of manufacturing the same, and fuel pump A bearing for a fuel pump includes a sliding layer made of mainly carbon, and a supporting layer made of mainly carbon and a metal. The supporting layer is connected to the sliding layer to support the sliding layer. Because the sliding layer of the bearing is made ... | 11/08/2005 |
| 6874942 | Rolling device A guide rail 13 is formed of a ceramic material having a specific strength of 2×107 mm or more and has a planar part with a surface roughness of 0.5 μmRa or less. Further, the guide rail 13 has a recess 18 for avoiding interference ... | 04/05/2005 |
| 6854890 | Bearing assembly A bearing assembly includes a generally cylindrical main unit (10) made of ceramic material, and two blocks (30) made of sintered metallic material housed in the main unit. The main unit includes a cylindrical sleeve (12), and two opposite protr... | 02/15/2005 |
| 6840677 | Ceramic bearing structure A ceramic bearing structure is constructed to include an axle bush having an axially extended axle hole, and an axle pivoted to the axle hole of the axle bush, the axle bush having a radial open chamber extended across the axle hole. The radial open chamber diminish... | 01/11/2005 |
| 6802646 | Low-friction moving interfaces in micromachines and nanomachines A low-friction device having a moving interface comprising first and second members. Each of the members has a maximum dimension of about 100 μm or less between any two points. At least the first member is formed of diamond and the first and second members are in s... | 10/12/2004 |
| 6799893 | Special type bearing device The invention provides a special type bearing device that is insusceptible to damage, is light in weight, has a long service life and excellent wear resistance, is insusceptible to the effect of change in temperature, is easy to fabricate, and has little offensivene... | 10/05/2004 |
| 6797660 | Silicon nitride wear resistant member and manufacturing method thereof Wear resistant member comprises a silicon nitride sintered body. Silicon nitride sintered body contains from 75 to 97% by mass of silicon nitride, from 0.2 to 5% by mass of titanium nitride and from 2 to 20% by mass of a grain boundary phase essentially containing S... | 09/28/2004 |
| 6784131 | Silicon nitride wear resistant member and method of manufacturing the member The present invention provides a silicon nitride wear resistant member composed of silicon nitride sintered body containing 1-10 mass % of rare earth element in terms of oxide thereof as sintering agent, wherein a total oxygen content of the silicon nitride sintered... | 08/31/2004 |
| 6740428 | Slide member In a slide member comprising a base member and a slide layer including a first surface fixed to the base member and a second surface being opposite to the first surface in a thickness direction of the slide layer and capable of contacting another member in such a ma... | 05/25/2004 |
| 6736609 | Support apparatus for movable member and pump apparatus A pump apparatus of simple construction has a bearing structure for which a lubricant is unnecessary. A flow passage for a refrigerant (liquid ammonia) is formed in a housing to provide communication between a suction port and a discharge port, and slide bearing mem... | 05/18/2004 |
| 6702473 | Rolling bearing An improved rolling bearing, in particular one being used in aqueous environment, such as water and steam, comprising an outer race, an inner race, rolling elements, and a retainer holding said rolling elements in a spaced relation from each other, wherei... | 03/09/2004 |
| 6702468 | Sliding bearing for a magnetically driven centrifugal pump A sliding bearing is provided for a magnetically driven centrifugal pump with an outer stationary tubular bearing housing within which lie antirotationally mounted bearing bushings and with a rotationally mounted hollow bearing shaft, lying coaxially in t... | 03/09/2004 |
| 6695479 | Open-end spinning apparatus with an aerostatic radial bearing for a spin rotor The invention concerns an open-end spinning apparatus with a spin-rotor, the shaft of which is supported by an aerostatic, radial bearing with an air gap between the bearing assembly and the shaft. The construction material for the bearing surface of the ... | 02/24/2004 |
| 6688769 | Sliding bearing apparatus A sliding bearing apparatus having a superior resistance to fretting comprising: a sliding bearing provided with a back metal layer having an inner face and a rear face, and a bearing alloy layer provided on an inner face of said back metal layer; and a h... | 02/10/2004 |
| 6685588 | Chain incorporating rolling bodies In a roller chain in which a plurality of rolling bodies is disposed between a roller and a bushing, between a bushing and a pin, or between a roller and a pin, the rolling bodies include at least one carbon-impregnated ceramic rolling body, or at least o... | 02/03/2004 |
| 6666328 | Long wear conveyor assembly A chain conveyor assembly having the combination of a polymeric material and a hard diamond-like coating at the frictional interface of the chain links. The conveyor chain preferably includes male and female links connected to one another by connector pin... | 12/23/2003 |
| 6655845 | Bearings, races and components thereof having diamond and other superhard surfaces Diamond bearings and bearing components are disclosed. Some embodiments of the bearings and bearing components include polycrystalline diamond compacts sintered under high pressure and high temperature to create a diamond table chemically and mechanically... | 12/02/2003 |
| 6642165 | Wear resistant member for electronic equipment, and bearing and spindle motor therewith Wear resistant member for electronic equipment comprises a silicon nitride sintered body that contains conductivity enhancing particles, and has electrical resistivity in the range from 1 to 105 Ω.multidot.m. In silicon nitride sintered body, ... | 11/04/2003 |
| 6619847 | Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, and polygon scanner A ceramic dynamic-pressure bearing which is not prone to wear or a like problem associated with starting, stopping, or a like operation mode and which can realize smooth rotation. A dynamic-pressure gap 17 is formed between a first member 14 and a second ... | 09/16/2003 |
| 6619848 | Ceramic dynamic pressure bearing, motor with bearing, hard disc apparatus and polygon scanner A ceramic dynamic pressure bearing comprising a first member and a second member, wherein the first member and the second member define a dynamic pressure gap therebetween, the first member and the second member relatively rotate around an axis of rotatio... | 09/16/2003 |
| 6612745 | Slide bearing device for roll immersed in continuous molten metal plating bath In a sliding bearing device for continuous molten metal plating bath rolls, a shaft and a bearing composed of a sliding and contacting hard ceramic sinter are retained displaceably by a steel retainer, and by using such bearing device, therefore, a stable... | 09/02/2003 |
| 6582126 | Bearing surface with improved wear resistance and method for making same A radial bearing and method for making the same are disclosed. Radial bearings are typically used in downhole motors to control the direction of drilling in directional drilling operations. The cuttings from the bit are carried away by the drilling fluid ... | 06/24/2003 |
| 6530695 | Rolling bearing and method of making the same A fine nitride layer comprising a compound layer and a diffusion hardened layer of hardness being Hv900 or higher is formed, through a low temperature nitriding method at temperature in the range of 300 to 400° C., in a guiding part. The guiding part gui... | 03/11/2003 |
| 6527447 | Sliding of polycrystallized glass The inner ring 2 and the outer ring 3 of the roller bearing 1 as element are formed with silicate glass such as a high silicate glass, a soda-lime glass, alminosilicate glass, borosilicate glass and an alkali silicate glass, during its manufacturing proce... | 03/04/2003 |
| 6508619 | Expansion turbine for low-temperature applications An expansion turbine for low-temperature applications containing a turbine stage into which a cold gas is admitted. A turbine rotor is mounted on a shaft. Also provided is a roller support for the shaft being lubricated with a minimum amount of oil or gre... | 01/21/2003 |
