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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7870674 | Production method for oil-impregnated sintered bearing An end surface 1a of sintered bearing 1 is abutted on a die 10 so that the sintered bearing 1 is mounted thereon, and a tool 40 is abutted on the other end surface 1b of the sintered bearing 1. While the... | 01/18/2011 |
| 7543385 | Method for manufacturing rolling contact surfaces Method for manufacturing improved contact surfaces, particularly contact surfaces in rolling bearing components such as rings or rolling bodies, is disclosed. The method subjects a surface of the rolling bearing component to a hard turning machining operation for fo... | 06/09/2009 |
| 7260878 | Ball joint A ball joint includes: a ball stud having a spherical ball part and a shank part extending from the spherical ball part; a bearing cupping the spherical ball part of the ball stud; and a housing holding the bearing therein. The housing is provided with a recess in a... | 08/28/2007 |
| 7251893 | Tribological applications of polyelectrolyte multilayers One aspect of the present invention relates to an implantable medical device comprising a surface coated with a polyelectrolyte multilayer, wherein said surface is glass, metal, plastic, polymer, or fiberglass. Another aspect of the present invention involves a meth... | 08/07/2007 |
| 7229699 | Bearing having embedded hard particle layer and overlay and method of manufacture A multilayer sliding bearing includes a rigid metal backing having a metal bearing liner attached thereto. The metal bearing liner includes a metal bearing liner layer which is attached to the bearing surface of the metal backing layer and at least one metal overpla... | 06/12/2007 |
| 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 |
| 7201883 | Catalytic reactor A catalytic reactor comprises a plurality of sheets defining flow channels between them. Within each flow channel is a foil of corrugated material whose surfaces are coated with catalytic material. Flow channels for a first gas extend in oblique directions relative ... | 04/10/2007 |
| 7186388 | Catalytic reactor A catalytic reactor comprises a stack of sheets defining flow channels between them. Within each flow channel is a flexible wire structure whose surfaces are coated with catalytic material. Flow channels for a first gas extend along S-shaped curved paths whereas the... | 03/06/2007 |
| 7146735 | Method of making a bearing ring for a large roller bearing A bearing ring for a large roller bearing is formed with at least one annular race which is hardened by heating by juxtaposing that race with an inductor across a spacing which is maintained during the heating and then quenching. The spacing is controlled selectivel... | 12/12/2006 |
| 7024771 | Method of manufacturing a rolling element bearing with improved rolling contact surfaces A method of manufacturing a roller element bearing comprising an inner ring, an outer ring, and a series of rolling elements. A rolling surface of each rolling element is in contact with a raceway surface formed in each of the inner and the outer rings. At least one... | 04/11/2006 |
| 6962441 | Rotary member and production process A rotary member such as a member of a bearing, a rotating member of a transmission or a gear for a motor vehicle, includes a base region of a ferrous base material such as a steel. The rotary member is formed with a hydrogen blocking layer formed in a contact surfac... | 11/08/2005 |
| 6951423 | Sintered bearing and production method therefor A sintered bearing is produced by a production method comprising: compacting a metallic raw material powder into a bearing green compact; sintering the green compact into a sintered compact; forming a resin coating 20 over the entire surface of the sintered c... | 10/04/2005 |
| 6948784 | Track pin bushing having a metallurgically bonded coating A track pin bushing for cooperating with a track pin in an endless track has a tubular body with a metallurgically bonded wear-resistant coating and a method for forming such a coated track pin bushing is taught herein. The tubular body, formed of an iron-based allo... | 09/27/2005 |
| 6948247 | Method for forming a bearing race for a cylindrical bearing A cylindrical roller bearing or needle roller bearing for use with a rolling raceway surface is subjected to a carbonitriding treatment to produce a layer containing 30 to 80% retained austenite in the vicinity of its surface that contacts a carburized layer of a ro... | 09/27/2005 |
| 6922897 | Ball cage Ball cage for homokinetic joints, formed from a blank that is configured as a substantially annular spherical segment, the ball cage includes: window-type ball pockets located along an equator with substantially equator-parallel bearing surfaces that interact with j... | 08/02/2005 |
| 6904682 | Dynamic pressure bearing and method of manufacturing the same In a dynamic pressure bearing, when a step portion (1a) is formed on the inner peripheral surface (1b) of a sleeve (1) and radial dynamic pressure grooves (3) are formed on the inner peripheral surface of the step portion, t... | 06/14/2005 |
| 6886252 | Manufacturing method for a rolling guide apparatus A rolling guide apparatus comprises a first slide member and second slide member. The first slide member includes a pair of wing portions and a connecting portion connecting the wing portions. First raceway grooves are formed on the wing portions, individually. Seco... | 05/03/2005 |
| 6854183 | Lead-free bearing A lead-free bearing includes a bronze matrix powder metal bearing layer bonded to a steel backing a fully densified. The bearing material has about 8 to 12% by weight tin, about 1 to less than 5% by weight bismuth, and about 0.03 to 0.08% by weight phosphorus, with ... | 02/15/2005 |
| 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 |
| 6833339 | Non-plated aluminum based bearing alloy with performance-enhanced interlayer A bi-metal aluminum bearing includes an aluminum-based bearing layer, a steel backing, and an intermediate aluminum-based layer that has a thickness of from 60 to 120 micrometers positioned between the aluminum-based bearing layer and the steel backing. The intermed... | 12/21/2004 |
| 6735868 | Surface treatment method A method of improving the performance and service life of a new bearing component, the component having at least one dynamic frictional surface the method includes subjecting the at least one dynamic frictional surface to a surface finishing operation thereby provid... | 05/18/2004 |
| 6732435 | Method of manufacturing a lightweight bearing A method of manufacturing a lightweight bearing in which raceway surface parts are formed of iron-based material and body members are formed of a lightweight material that is lighter than the iron-based material. Bearing rings are manufactured by producing first and... | 05/11/2004 |
| 6678956 | Method of producing spray deposit on bearing boss Prior to forming a thermal spray coating layer (28) on an end face (23B') of a structural base material (23') to be shaped into a boss, firstly an inner masking member (32) is fitted in an original hole (23A') of the structural base material (23') and the... | 01/20/2004 |
| 6596671 | Non-plated aluminum based bearing alloy with performance-enhanced interlayer A bi-metal aluminum includes bearing an aluminum-based bearing layer, a steel backing, and an intermediate aluminum-based layer that has a thickness of from 60 to 120 micrometers positioned between the aluminum-based bearing layer and the steel backing. T... | 07/22/2003 |
| 6557257 | Method for reducing hard machining time of a constant velocity joint A method of reducing hard machining time, and correspondingly increasing hard machining tooling life, of a non plunging type constant velocity joint for use in reduced angle applications. The method comprises forming a recess having a larger formed radius... | 05/06/2003 |
| 6543139 | Machining tool for manufacturing radial bearings, and manufacturing apparatus and manufacturing method using the same A machining tool for manufacturing a radial bearing, and a manufacturing apparatus and a manufacturing method using the machining tool are provided. The machining tool includes an inner surface finishing tool to finish an inner circumference surface of a ... | 04/08/2003 |
| 6531084 | Laser edge treatment of sliders A method for laser edge treating (LET) a slider and a slider with laser edge treatment, wherein the laser treatment is used to modify the curvature along the air-bearing surface, including altering a slider edge ridge that forms at the edges of the air be... | 03/11/2003 |
| 6513238 | Connecting rod with thermally sprayed bearing layer In the method for producing a connecting rod eye having a large eye with a cap described in the specification, a microporous aluminum bronze plasma-coating is applied to the large eye and the connecting rod eye is then opened by removing the cap, thus bre... | 02/04/2003 |
| 6502443 | Component rolling tool of dynamic pressure groove and component rolling method A component rolling tool for applying a dynamic pressure groove comprising component rolling balls, cylindrical sleeve having an outer surface, an axis, a radius, a center hole, and guide holes, and being inserted into the bearing hole, and being relative... | 01/07/2003 |
| 6484403 | Method of converting a traction motor with sleeve bearings to roller bearings A method for converting a locomotive traction motor originally equipped with sleeve bearings to roller bearings is provided. The ensuing method includes removing all parts of the original motor leaving only the motor frame. Recesses are then machined in t... | 11/26/2002 |
| 6415512 | Method and apparatus for surface processing of sintered oilless bearing A method for surface processing of sintered oilless bearing and an apparatus thereof are disclosed by which method the efficiency of covering the pores and the surface roughness of protuberance that is nonporous surface may be improved by means of surface... | 07/09/2002 |
| 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 |
| 6301784 | Method of fabricating plain bearings A lead-free multilayer material for plain bearings and a process for the production of corresponding bearing shells for improved emergency running and mechanical load-carrying capacity characteristics. The multilayer bearing material comprises a lead-free... | 10/16/2001 |
| 6295719 | Compressive stress treatment method for controlling curvature of a hydrodynamic bearing slider A method of controlling curvature of hydrodynamic bearing slider. The method includes adding a preselected amount of compressive surface stress to the slider to change curvature of the slider and then removing a portion of the added compressive stress to ... | 10/02/2001 |
| 6289590 | Method of forming a bearing A method of forming a bearing includes adding at least one particulate material to an aqueous dispersion of polytetrafluoroethylene, mixing the constituents to allow the polytetrafluoroethylene to coagulate to form a mush, spreading the mush on to a suppo... | 09/18/2001 |
| 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 |
| 6240641 | Method of forming a lubricating film on a linear motion ball bearing A process for forming a lubricating film on a direct acting bearing includes the steps of forming a liquid film on at least the rolling and sliding portions of the direct acting bearing by using a solution prepared by diluting a fluorine-containing polyme... | 06/05/2001 |
| 6178639 | Multi-layer engine bearings and method of manufacture A multilayer engine bearing (26) includes a steel backing (36) having a liner (38) of bearing metal of either copper-lead or aluminum alloys formed on the backing (36) and a thin layer (44) of either copper or nickel plated on the liner (38) to define a b... | 01/30/2001 |
| 6146471 | Spherical plain bearing and method of manufacturing thereof The improved spherical plain bearing of the present invention is formed using a unique method of manufacture which includes surface hardening of the outer ring and the inner ring wherein the outer ring includes a fracture zone having a reduced cross-secti... | 11/14/2000 |
| 6119346 | Composite porous bearing and method of making same A bearing comprising different materials having oil-filled pores in them has a relief space in the middle section which is not provided by machining. The materials are different, have different characteristics, and bear different portions of load the bear... | 09/19/2000 |
