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 |
| 8020301 | Method for manufacturing hydro dynamic bearing device A method for manufacturing a hydro dynamic bearing device is provided for the finishing treatment of lubricating oil after lubricating the hydro dynamic bearing device, specifically for properly and effectively wiping off the lubricating oil adhering to the outside ... | 09/20/2011 |
| 8001691 | Method for manufacturing hydrodynamic bearing and shaft A method for manufacturing a hydrodynamic bearing (30) comprises steps of: step (201): providing a substrate (10) with a plurality of protrusions (14) formed on a periphery thereof; step (202): placing the substrate in a middle of ... | 08/23/2011 |
| 7987598 | Dynamic bearing manufacturing method A dynamic bearing manufacturing includes steps of: providing a bearing and a processing tool, the bearing having an axial hole, and the processing tool having at least one protruding pattern formed on an exterior wall of the processing tool; positioning the processi... | 08/02/2011 |
| 7941926 | Apparatus for manufacturing hydro dynamic bearing device method An apparatus for manufacturing a hydro dynamic bearing device is provided for the finishing treatment of lubricating oil after lubricating the hydro dynamic bearing device. The hydro dynamic bearing is constructed of an axial member housed in a housing, a radial bea... | 05/17/2011 |
| 7926182 | Method for manufacturing hydrodynamic bearings A method for manufacturing a hydrodynamic bearing with hydrodynamic pressure generating grooves comprises steps of: step 201: providing a substrate with a first annular protrusion and a plurality of projections formed on a periphery thereof, the projections b... | 04/19/2011 |
| 7905019 | Working fluid injection apparatus for a fluid dynamic pressure bearing A working fluid injection apparatus for injecting a working fluid into a gap between a housing and a shaft of a bearing unit of a fluid dynamic pressure bearing. The apparatus has an adapter configured to support the bearing unit in a state in which an end portion o... | 03/15/2011 |
| 7866046 | Method for manufacturing hydrodynamic bearing and shaft A method for manufacturing a hydrodynamic bearing (30) includes the following steps. First, a substrate having a surface with multiple protrusions thereon is formed. The protrusions are adapted for forming grooves in a preform. The preform, when finally proce... | 01/11/2011 |
| 7856719 | Single thrust bearing fluid dynamic bearing motor A typical dynamic bearing design comprises a ring shaped or circular thrust plate mounted at or near the end of a shaft, the shaft defining together with a surrounding sleeve a journal bearing by providing grooves on only one of the two surfaces facing the gap betwe... | 12/28/2010 |
| 7836601 | Methods of controlling the instability in fluid film bearings A method of controlling the instability in fluid film bearings by using a magnetic bearing in combination with a fluid film bearing (whether it is a cylindrical journal bearing, an elliptic bearing, an offset-half bearing, a multi-lobe bearing, foil bearing or a til... | 11/23/2010 |
| 7823290 | Method of forming a hub for use in a disk drive motor Methods of machining a single piece hub with integral upper and lower female cones includes providing a single piece hub with upper and lower conical voids having respective narrow ends proximal each other and respective wide ends distal each other. Surfaces of the ... | 11/02/2010 |
| 7814659 | Method of manufacturing fluid dynamic bearing assembly In a method of manufacturing a dynamic bearing assembly having a shaft and a sleeve whose inner circumferential surface faces an outer circumferential surface of the shaft, the shaft is inserted into a bearing hole from an upper end opening toward a bottom end openi... | 10/19/2010 |
| 7676928 | Method for use in the manufacturing of a fluid dynamic pressure bearing Oil which will serve as a lubricating fluid of a fluid dynamic pressure bearing is degassed in a first environment under a first pressure which is lower than atmospheric pressure. First and second members of the bearing are place in a second environment under a pres... | 03/16/2010 |
| 7650697 | Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing In spindle motors journaled on fluid-dynamic-pressure bearings, especially in such spindle motors employed in recording-disk drives in implementations that subject the drives to vibration and shock, sealing performance of a capillary seal formed between motor rotor-... | 01/26/2010 |
| 7640665 | Method of manufacturing shaft unit In a rotor hub manufacturing method, a workpiece is chucked and a hole centering on the workpiece center axis is formed in the workpiece. A sealing member is press-fit into the hole, forming an internal space. A shaft feature is thereafter shaped in the workpiece by... | 01/05/2010 |
| 7600320 | Method for manufacturing hydro dynamic bearing device A method for manufacturing a hydro dynamic bearing device is provided for the finishing treatment of lubricating oil after lubricating the hydro dynamic bearing device. The hydro dynamic bearing is constructed of an axial member housed in a housing, a radial bearing... | 10/13/2009 |
| 7461455 | Method for manufacturing a fluid dynamic bearing by printing a resin sliding film A bearing apparatus includes a rotating member, a fixed member opposing the rotating member and an ink-like resin material. Opposing surfaces of the rotating member and the fixed member form a bearing part and the ink-like resin material is applied to at least one o... | 12/09/2008 |
| 7431505 | Fluid lubrication bearing apparatus A resin housing 7 is injection-molded by using a forming mold 11. Moreover, a concave shaped adhesive reservoir 10 is formed by a sink mark of the resin during injection molding on its inner circumferential surface 7e simultaneousl... | 10/07/2008 |
| 7343682 | Technique for filling bearing clearance of fluid-dynamic-pressure bearing unit with oil Fluid-dynamic-pressure bearing manufacturing method for more efficient and fail-safe degassing of bearing oil. Method makes it possible to prevent the generation of air bubbles in the course of an oil-charging operation that amounts to a step following degassing, an... | 03/18/2008 |
| 7340834 | Method of lubricating bearings A method of lubricating a wave bearing comprising application of an oil comprising a perfluoropolyether, derivatized perfluoropolyether, fluorosilicone, polychlorotrifluoroether, or polyphenyl ether, wherein the oil is capable of sustaining temperatures greater than... | 03/11/2008 |
| 7328511 | Method for use in the manufacturing of a fluid dynamic pressure bearing Oil which will serve as a lubricating fluid of a fluid dynamic pressure bearing is degassed in a first environment under a first pressure which is lower than atmospheric pressure. First and second members of the bearing are place in a second environment under a pres... | 02/12/2008 |
| 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 |
| 7273355 | Compressor assembly with piston having multiple cross sections A compressor assembly having a piston with multiple cross sections. The compressor assembly, in one form thereof, includes a cylinder block defining a cavity. A piston is at least partially disposed in the cavity and reciprocates along a central axis of the cavity. ... | 09/25/2007 |
| 7251891 | Production method for sintered bearing member, fluid dynamic pressure bearing device, and spindle motor A production method for sintered bearing member comprises: compacting a metal powder into a green compact, sintering the green compact into a sintered compact; impregnating a resin solvent into the sintered compact, and removing the resin solvent adhering to a surfa... | 08/07/2007 |
| 7251975 | Manufacturing tool for fluid dynamic bearing A manufacturing tool (20) for forming a dynamic pressure groove (52) in an inner peripheral surface of a bearing sleeve (50) includes a tool shaft (21) for being rotated in a bore of the bearing sleeve while being moved in an axial direct... | 08/07/2007 |
| 7235201 | Split die and method for production of compacted powder metal parts A device to compact parts out of powder material including a top die and a bottom die movable with respect to each other from an open position to a closed position, at least one punch associated with each of said dies for relative movement between the die and associ... | 06/26/2007 |
| 7210209 | System and method for ballizing and measuring a workpiece bore hole A system and method are described for ballizing and measuring a workpiece bore hole. In one embodiment, a ballizing unit having a distal end removably coupled to a ballizing member moves the ballizing member from a first position within the bore hole to a second pos... | 05/01/2007 |
| 7186026 | Foil hydrodynamic journal bearing and method of manufacturing the same A multi-lobe bearing is of simple construction such that a foil sheet in the form of a closed loop is arranged on a journal shaft by joining both ends of two sheets together, with a bearing gap therebetween and filling a viscoelastic body in an air gap between the f... | 03/06/2007 |
| 7174625 | Method of forming an assembly jig used in assembling a dynamic pressure bearing device It is an object of the present invention to provide a miniaturized, high-precision, easy, and low-cost dynamic pressure bearing device and a manufacturing method thereof. In manufacturing a dynamic pressure bearing device, a first and a second ring-shaped member are... | 02/13/2007 |
| 7175400 | Compressor assembly with reciprocating piston and vented cylinder A compressor assembly including a cylinder block defining first and second cavity portions. A central axis extends through first and second cavity portions. A compressible fluid respectively enters and exits the first cavity portion through an inlet and outlet. A pi... | 02/13/2007 |
| 7155825 | Method of liquid withdrawal from a tool spindle A method for withdrawing liquid from the liquid bearings of a spindle (1) carried in liquid bearings (3, 5) distinguished in that with the help of pressurized gas, the liquid, together with the gas, is forced to exit the spindle during the operation of... | 01/02/2007 |
| 7147376 | Dynamic bearing device The dynamic bearing device of the invention comprises a housing, a bearing sleeve provided inside the housing, a rotating member rotating relative to the bearing sleeve, and a dynamic bearing portion supporting the rotating member in a non-contact manner by dynamic ... | 12/12/2006 |
| 7146733 | Dynamic bearing device and method for making same The thrust member is inserted into the inner circumferential surface of the housing, to make the end face of the thrust member contact with the lower side end face of the flange portion, and at the same time, to make the upper side end face of the flange portion con... | 12/12/2006 |
| 7140109 | Bearing assembly and method A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the in... | 11/28/2006 |
| 7119984 | Method and apparatus for a laser-welded disk drive housing The present invention provides methods for laser sealing of disk drive housings. In addition, laser sealed housings are provided. Laser sealing of hard drives, allows for the disk drive assembly to be maintained in an inert gas environment. ... | 10/10/2006 |
| 7115894 | Method to determine the lubricant filling degree of a fluid dynamic bearing In order to improve a method to determine the lubricant filling degree of a fluid bearing in which the bearing gap of the fluid bearing is illuminated and the luminous reflectance is analyzed so that the filling degree can be determined in a simple and reproducible ... | 10/03/2006 |
| 7092203 | Method of manufacturing a fluid dynamic bearing applicable to a disk drive that includes welding a cover member to a cylindrical wall of a shaft base A method of manufacturing a fluid dynamic bearing in which a stopper is fixed by welding. The bearing comprises a hub, a shaft erected on the hub, a sleeve, a cylindrical wall erected on the hub, and the stopper mounted on the cylindrical wall. The method comprises ... | 08/15/2006 |
| 7065876 | Extra-roll slide bearing system for a paper/board machine or a finishing machine The invention relates to an extra-roll slide bearing system (20) for a paper/board machine or a finishing machine, surrounding a shaft (2) in a roll (1). The bearing system comprises a body section (5), which is formed with a bearing hous... | 06/27/2006 |
| 7063463 | Conical hydrodynamic bearing device and a recording disk drive equipped with it, and a method of manufacturing a conical hydrodynamic bearing device A conical hydrodynamic bearing device comprises a shaft bush having a conical inclined dynamic pressure surface around an outer circumference thereof being relatively-rotatably inserted in a bearing sleeve having a conical inclined dynamic pressure surface around an... | 06/20/2006 |
| 7059052 | Hydrodynamic type porous oil-impregnated bearing The porous oil-impregnated bearing 1 comprises a bearing body 1a made of a porous material, and oil retained in the pores of the bearing body 1a by impregnation with lubricating oil or lubricating grease. The inner peripheral surfa... | 06/13/2006 |
| 7043839 | Method and apparatus for charging oil into fluid-dynamic-pressure bearings, spindle motor utilizing fluid-dynamic-pressure bearings, and signal record-and-playback device utilizing fluid-dynamic-pressure bearings Manufacturing method enabling optimal volume oil-fill even where differing from bearing to bearing due to machining fluctuations in volume-production dynamic pressure bearings. In a first charging method, injection of oil is divided into two cycles. The first is car... | 05/16/2006 |
