Bearings inventions 04/06

20060088232 - Linear guide/feed module with guide body and boom for it: A linear guide/feed module has a tubular boom movable along a movement axis, a housing encompassing the tubular boom so that the boom is travelable out of and into the housing along the movement axis, a drive unit for driving the boom to move in relation to the housing, at...

20060088233 - Dynamic pressure bearing device: In a wider flow path 4a surrounded with a shaft 3, a thrust plate 6 and an inner circumferential corner portion 1c of a bearing sleeve 1 in a small clearance 4 between a lower side radial bearing section 13 and an upper surface thrust bearing section 14, chamfering is...

20060088234 - Fluid dynamic pressure bearing and production method for the same: A fluid dynamic pressure bearing composed of a cylindrical sintered compact includes: a thrust region which is formed on an end surface of the bearing and receives at least a thrust load; a roughed portion having small peaks and valleys formed on the thrust region; and thrust recesses for generating...

20060088235 - Angular ball bearing and rolling bearing: A rolling bearing is proposed in which even though a sealed type, no lowering of strength of the bearing rings or lowering of the front width will not occur for the convenience of mounting of a seal, and design of dimensions equivalent to a non-sealed type bearing and practicability can...

20060088236 - Compound roller bearing: A bearing comprises an inner race defining an inner track, an outer race defining an outer track, and a compound roller assembly interconnecting the inner and outer races for relative rotation between the inner and outer races. The compound roller assembly includes a plurality of first rollers and a plurality...

20060088237 - Thrust needle roller bearing: A double row thrust needle roller bearing, which can suppress differential slippage of the needle rollers under severe working conditions to improve its durability without increasing processing cost for majority variety/minority lot production, has a plurality of needle rollers (2) arranged in at least two rows in a radial direction...

20060088238 - Ball bearing and a vacuum pump that is equipped with a bearing of this type: A ball bearing (1) has an inner race (2) and an outer race (3). In order to prevent the rotating parts from being damaged when the bearing assembly fails, the bearing has emergency bearing surfaces (14, 15) which are concentric to the rotational axis (6) and of which one is...

20060083447 - Plain bearing: A plain bearing for guiding a rail comprises a bearing housing (4) displaying a single, cylindrical through-opening (5), and a sliding element (6), which is supported in the through-opening (5) and which forms a sliding opening (7), in which the rail (2), by means of a rail head (9), is...

20060083448 - Compact compliant centering support for squeeze film damper: The present invention provides a centering feature to the bearing assembly of a turbomachine to provide optimum operating characteristics of the squeeze film damper. Unlike conventional bearing centering methods and apparatus, a compact compliant centering support for the squeeze film damper interfaces between a bearing outer race, and an outer...

20060083449 - Device for supporting and guiding a rotating shaft: A device for supporting and guiding a rotating shaft, in particular a rotor shaft of an airplane turboprop or turbojet, the device comprising an oil squeeze damper around each bearing of the shaft, said damper comprising an annular space surrounding the outer ring of the bearing and defined by annular...

20060083450 - Fluid dynamic-pressure bearing, spindle motor and recording disk driving device: A fluid dynamic-pressure bearing according to an example of the present invention includes a thrust dynamic-pressure bearing (19) formed between a bearing member (15) and a rotor hub (22) and a taper sealing portion (27) being continuous with the thrust dynamic-pressure bearing (19) and having a radial gap dimension gradually...

20060083451 - Sliding bearing: An overlay layer 3 comprising MoS2 as a solid lubricant and PAI resin as a binder resin is formed on a flattened surface of a bearing alloy layer 2, and a helical groove 4 and annular projections 5 are formed as an uneven configuration in and on the surface of...

20060083452 - Oil retaining structure of a spindle: This invention relates to an oil retaining structure of a spindle, wherein the outer peripheral surface of the spindle is provided with a first oil groove extending spirally along a clockwise direction and a second oil groove extending spirally along a counterclockwise direction. The first oil groove and the second...

20060083453 - Bearing mechanism, carriage assembly, and magnetic disk drive: Embodiments of the invention are directed to keeping a height of a pivot bearing low in order to build a thinner magnetic disk drive. In one embodiment, a ball bearing is provided between a shaft and a sleeve. An inner race of the ball bearing is secured to the shaft...

20060083454 - Axle assembly with bearing adjustment mechanism: The present invention provides an axle assembly for a motor vehicle including an axle housing, a differential assembly supported in the axle housing with a differential bearing, a bearing insert, an adjuster sleeve and a lock ring. The bearing insert is coupled to the axle housing. The adjuster sleeve is...

20060083455 - Rolling slide member: There is provided a rolling slide member coming in tact with a mating member in a rolling or sliding manner, rein a plurality of grooves having an inclination of 0 to 30 degree and a groove depth of 0.5 to 15 μm are formed in a circumferential direction at the...

20060078235 - Positioning device for a ball bearing slide: A positioning device for a ball bearing slide includes a positioning member and a releasing member and is incorporated with a mobile track and a fixed track. The positioning member is pivoted to the mobile track. The releasing member is inserted into the mobile track. The positioning member includes a...

20060078237 - Linear motion guide unit: A linear motion guide unit is disclosed in which a tubular composition to provide a return passage is high in mechanical stiffness and also makes certain of steady application of lubricant to rolling elements rolling through the return passage, thereby ensuring proper lubrication under maintenance-free operation. The return passage is...

20060078236 - Structure of linear sliding rail circulating device: An improved structure of linear sliding rail circulating device is primarily composed of: a rail, which laterally forms a sliding path; a sliding base, which slides to operate along said rail, and is provided with an aperture at the interior for receiving the rolling elements; and combination ends, which are...

20060078238 - Gas bearing system: A gas bearing system comprising two opposing and substantially parallel bearing surfaces (2,4) and at least one gas duct (6) for supplying gas to the bearing gap (5) between said bearing surfaces (2,4). A cavity (10,14,15,18,19) having a content between 0.001 cm3 and 0.2 cm3 is present, which cavity is...

20060078239 - Wave bearings in high performance applications: The present disclosure concerns the application of the “Wave Bearing Concept” to journal and thrust fluid film bearings to increase performance and reliability. The wave surface is present on whichever member is stationary or non-rotating. Some applications are: pressurized gas journal wave bearings for increased load capacity and dynamic stability;...

20060078240 - Fluid dynamic bearing system to rotatably support a spindle motor: The invention relates to a fluid dynamic bearing system for the particular purpose of rotatably supporting a spindle motor used to drive the disk(s) of a hard disk drive having a stationary shaft, a thrust plate connected to the shaft, a bearing sleeve rotatable about the rotational axis of the...

20060078241 - Bearing element: at least one positioning segment lateral to the bearing segment (40) for positioning the bearing element (4) at a wall (32) of the bearing for fixing and/or orienting the bearing element (4) in the bearing, whereby aligning and/or support elements (41, 42) project laterally from the bearing segment (40), whereby...

20060078242 - Porous plain bearing with continuous variation of the borehole compression: The invention pertains to a plain porous bearing for motors and transmissions with a circular bearing bore that displays, distributed alternatingly across the bearing bore, highly compressed at least approximately closed-pore areas and slightly compressed, open-pore areas, where the bearing bore diameters of the highly and slightly compressed areas are...

20060078243 - Bearing device and supporting shaft for bearing device: The bearing devices includes a pair of opposed sidewalls, a supporting shaft which is inserted into shaft end insertion holes provided in the both opposed sidewalls, and a roller supported between the both opposed sidewalls by the supporting shaft. The supporting shaft includes a shaft main body that is made...

20060078244 - Hybrid bearing: The present invention relates to a hybrid bearing, and more particularly to a bearing structure in which ceramic balls are used to reduce friction of a rotating shalt during high-speed and low-speed rotation of the rotating shall, and a corrugated elastic plate, formed through multiple bending, is provided abut against...

20060072862 - Roller type linear guideway: The present invention relates to a roller type linear guideway which comprises the rail, the slide block, the roller-model, the recirculating-model, and the ender cap. The recirculating-model is make up of two half recirculating-models which are assembled together at a specific angle, and each of the half recirculating-models comprises two...

20060072863 - Linear guide apparatus: A linear guide device having an appropriate length of a loaded rolling element rolling groove capable of stably suppressing rolling element passage vibrations is provided. In a linear guide device including an axially extending guide rail 1 having rolling element rolling grooves 3 on both sides, a slider 2 bridged...

20060072864 - Htdrodynamic bearing assembly and spindle motor having the same: This invention is to provide a hydrodynamic bearing assembly, which realizes the high rotation rate in a stable manner and the robust rigidity. The hydrodynamic bearing assembly has a total radial gap of 3 microns or less for preventing the contact in the thrust bearing. The thrust bearing is a...

20060072865 - Bearing unit for supporting wheel with disk and method manufacturing bearing unit: The mutual difference of the diameters of the balls 17, 17 incorporated into a bearing unit for supporting a wheel is set to be not more than 1.5 μm (preferably to be not more than 1.0 μm). Finishing work is conducted on both sides of the disk 2 under the...