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Class 384/610 - Single ball


Subclass of Class 384 - Bearings
Definition: Subject matter where only one ball takes the entire thrust
No. of patents: 52
Last issue date: 06/03/2008


1    
NumberTitleIssue Date
7382070Spherical bearing, electric motor and circulation pump
To improve a spherical bearing including a bearing body with a convex spherical surface, a holder, on which the bearing body is disposed, and a bearing shell with a concave spherical surface, the bearing shell being rotatably mounted on the bearing body, in such a w...
06/03/2008
7086303Lead screw for linear actuator, and method of manufacturing the same
A lead screw for a linear actuator, which has a metal pipe having a helical projection resin-molded on its outer surface, and a ball for a pivot bearing welded to a distal end of the metal pipe, is disclosed together with a method of manufacturing the same. With the...
08/08/2006
7003787Urging structure for an output shaft of a drive motor
An urging structure for an output shaft of a drive motor of the invention is configured by a pressing plate 31 which abuts against an end face 24a of an output shaft 24, and an urging spring 36 which urges the pressing plate in the...
02/21/2006
6951424Motor with axially moveable bearing member
A motor includes a rotor section with a rotor shaft having an end section, and a stator section including a yoke section disposed opposite the rotor section. The motor is also equipped with a bearing assembly having a bearing member that includes a main bearing sect...
10/04/2005
6917130Top cover attachable fluid dynamic bearing motor
A single thrust bearing fluid dynamic bearing (FDB) design, including a typical dynamic bearing design which has a ring-shaped or circular thrust plate mounted at or near the end of a shaft, wherein the shaft defines together with the surrounding sleeve a journal be...
07/12/2005
6856492Pivot bearing cartridge including central pivot element and ball bearing set
A pivot bearing cartridge for use in a head stack assembly. The pivot bearing cartridge includes a pivot shaft including a shaft body and a shaft distal end. The pivot bearing cartridge further includes a cap disposed about the pivot shaft. The cap includes a cap an...
02/15/2005
6856491Pivot bearing cartridge including central pivot element and ball bearing set
A pivot bearing cartridge for use in a head stack assembly. The pivot bearing cartridge includes a pivot shaft including a shaft body and a shaft distal end. The pivot bearing cartridge further includes a cap disposed about the pivot shaft. The cap includes a cap an...
02/15/2005
6629802Method of connecting two panels of a piece of furniture and a piece of furniture utilizing such a connection
Method of connecting or joining at least two panels in a piece of furniture and a piece of furniture made thereby. The method includes providing a first panel, wherein the first panel includes a surface having at least one recess, providing a second panel...
10/07/2003
6457865Ball-type anti-friction device
A ball-type anti-friction device which has a housing, a ball cage mounted within the housing for movement relative to the housing between a lower inactive position and an upper active position. The ball cage contains a relatively large ball mounted on rel...
10/01/2002
6406191Pivot assembly
The closed end 11b of the Sleeve 11 and the shaft end 12b are made to be point-contacted through the ball 14. By this point contact, while allowing the sleeve 11 and the shaft 12 to rotate, the pressurization in the axial direction between the sleeve and ...
06/18/2002
6283437Foot device
A foot device for supporting electronic equipment thereon comprises a sleeve having an axial through bole, and a plurality of balls one by one in line provided in the hole wherein the bottom and top balls are extended above the axial through hole. As such...
09/04/2001
6190053Step bearing housing for an open-end spinning rotor shaft and method of operating same
A step bearing is provided to axially support a shaft of an open-end spinning rotor, having a step bearing housing with a freely rotatable supporting ball, against which the end of the shaft is supported. The step bearing housing has a take-up space in th...
02/20/2001
6032452Step bearing for a shaft of an open-end spinning rotor and process for replacing same
A step bearing is provided for the end of the shaft of an open-end spinning rotor. The step bearing has a cartridge which is clamped fixedly by a cylindrical outer surface in a corresponding hollow cylindrical receiver surface of a supporting part. The ca...
03/07/2000
5938348Pivot bearing
A bearing design for a rotatable assembly includes two freely rotating balls mounted on the axis of rotation of the assembly and axially separated, one near each axial end of the assembly. Each ball is confined by a moving concave bearing surface of the r...
08/17/1999
5927869Step bearing for a shaft of a spinning rotor loaded by an axial force
A step bearing for a shaft of a spinning rotor includes a freely rotatable supporting ball and a thrust bearing, against which the supporting ball is disposed. The supporting ball, the thrust bearing and a front-sided supporting surface of the shaft are p...
07/27/1999
5886438Stepping motor having bobbin structure materially integrally formed with a bearing and a positioning portion
According to this invention, in a stepping motor in which bearings are disposed at two end portions of a motor shaft which is coaxially fixed to a magnet rotor, one bearing of the motor shaft arranged in a motor case, a bobbin serving as a coil frame, and...
03/23/1999
5848843Dual supporting pivot thrust bearing apparatus
A supporting pivot thrust bearing apparatus is provided in which a steel ball groove is formed at both ends of a rotary shaft inserted into a through hole of a sleeve, and a steel ball is fixably inserted between the steel ball groove and a thrust support...
12/15/1998
5822152Ultra-slim disk storage unit with an enclosed circuit board and a hydrodynamic bearing assembly which forms a stable meniscus
An ultra-slim disk storage unit includes a frame and a cover for engaging the frame to create first and second enclosed spaces therein. In one of the enclosed spaces a disk drive assembly is housed which provides readable and writable information storage ...
10/13/1998
5755518Pivot bearing
A bearing design for a rotatable assembly includes two freely rotating balls mounted on the axis of rotation of the assembly and axially separated, one near each axial end of the assembly. Each ball is confined by a moving concave (preferably conical or f...
05/26/1998
5722227Open-end spinning rotor
In the case of a shaft for an open-end spinning rotor, a supporting element arranged at a step bearing extends the shaft. The supporting element is arranged centrical to the axis of the shaft. The supporting element is affixed to the shaft by means of a s...
03/03/1998
5657956Thrust bearing and use of same with apparatus for reducing repetitive stress injury
A thrust bearing for bearing a load along a force vector includes at least two roller elements in rolling contact with one another and arranged along the force vector such that the load is borne through the roller elements. The roller elements are retaine...
08/19/1997
5510940Ball spindle for reduced friction rotary actuator in disk drive
A low friction bearing is provided for a mass balanced rotary voice coil actuator of a disk drive including a base. The bearing comprises an upper pivot bearing assembly fixed to one of the actuator and the base and including a plurality of small bearing ...
04/23/1996
5487612Shaft supporting bearing assembly with axially disposed cap and ball member
Bearing rings are carried one each in a shaft end and in a cap and seat against a ball element therebetween. Preloading of each ball element at the shaft ends is achieved by rotation of the cap along a threaded end segment of a bushing of a bearing assemb...
01/30/1996
5488523Ultra-slim disk storage unit having a hydrodynamic bearing assembly which forms a stable meniscus
An ultra-slim disk storage unit includes a frame and a cover for engaging the frame to create first and second enclosed spaces therein. In one of the enclosed spaces a disk drive assembly is housed which provides readable and writeable information storage...
01/30/1996
5486054Bearing system in a motor for a floppy disk drive apparatus
A bearing system in a motor for a floppy disk drive (FDD) apparatus includes a protective cap mounted to one side of the motor, a first pivot bearing arranged movable to and from the protective cap in an axial direction of a rotary shaft, a thrust spring ...
01/23/1996
5349809Shaft for an open-end spinning rotor assembly
A rotor support shaft for an open-end spinning rotor assembly is disclosed which is equipped on its free end with a supporting element which forms an essentially radially extending supporting surface for a vibrating ball of a step bearing. The supporting ...
09/27/1994
5328271Hydrodynamic spindle bearing for ultra-slim disk storage unit
A hydrodynamic bearing assembly for a disk storage unit includes a hub having a longitudinal axis disposed in a cavity formed between a base and a cover. A pair of balls is disposed within a pair of corresponding sockets with each being aligned opposite o...
07/12/1994
5308172Bearing assembly
A Belleville spring/ball combination is utilized in a rotating anode target bearing assembly in an X-ray tube for thermal and electrical conduction as well as self-centering of the target shaft and noise reduction....
05/03/1994
5243866Starting device for internal combustion engines
The starting device includes a starting pinion mounted on a thrust rod and movable between a disengaged and engaged position with an internal combustion engine; a movable switching bolt located in a solenoid; a sphere mounted at an end face of the switchi...
09/14/1993
5232334Rotary machine having an axial abutment that retracts automatically by means of a flexible membrane subjected to the pressure of a fluid
The rotary machine includes an automatically-retracting axial abutment system mounted between the rotary shaft of the machine and its case, the abutment system having a displaceable abutment portion that is prevented from rotating, a rotary abutment porti...
08/03/1993
5213000Motor output shaft positioning device
A motor output shaft positioning device for motors with worm reduction gears for outputting the output of a motor output shaft via a worm reduction gear, comprising a gear case having a hollow part for housing a worm fitted to a motor output shaft and a w...
05/25/1993
5209055Step bearing for the shaft of a spinning rotor
In an open-end spinning device with a spinning rotor whose shaft bears axially upon the ball of a step bearing, said step bearing is designed for the attenuation of axial oscillations and shocks of the spinning rotor. The bearing includes an elongated hou...
05/11/1993
5169245Thrust bearing device
A thrust bearing device for a motor comprises a housing of the motor, a thrust plate disposed in the housing and in contact with an end of a motor shaft, a spring for energizing the motor shaft through the thrust plate, and the housing is formed with a st...
12/08/1992
5144849Reduction gear
A reduction gear is shown, which is designed to facilitate assembly of essential parts in a case. The reduction gear comprises a worm; a worm wheel meshed with the worm; a lower case part having a semicylindrical recess which rotatably receives the worm, ...
09/08/1992
5090261Geared motor
A geared motor comprising a rotating axle rotating in accordance with the rotation of a rotor, a gear rotating axle for outputting from the rotating axle speed reduced rotation, and a flexible coupling consisting of a first coupling disposed on the rotati...
02/25/1992
5080010Pressure roller device
A pressure roller device includes upper and lower roller holders and small diameter upper and lower pressure rollers which are supported by the upper and lower roller holders, respectively. Upper and lower backup rollers, which are, respectively, provided...
01/14/1992
5030019Bearing for an open-end spinning rotor
In the case of a bearing for an open-end spinning rotor, the shaft of which is radially disposed by means of supporting disks and axially, with its end, is supported at a ball, it is provided that the ball is suppported by means of an abutment which has f...
07/09/1991
5020385Motor-vehicle gear-change transmission
A motor-vehicle transmission has a housing extending along an axis and having axially spaced front and rear sides, a main input shaft centered on the axis and having a front end at the front housing side and a rear end spaced axially backward therefrom, a...
06/04/1991
5010563System for the suspension of a rotating anode of an x-ray tube with passive magnetic bearings
The disclosure concerns rotating-anode type X-ray tubes. According to the disclosure, the rotor is supported by passive magnetic bearings, the respective positions of which are such that the rotor is shifted in the direction opposite to that of the anode....
04/23/1991
4905577Line-contact-type spherical bearing for connecting piston to connecting rod
A hydraulically-operated piston machine includes at least one cylinder and a piston axially movably guided in the cylinder. The piston is connected to a crankshaft or the like by means of a connecting rod. The connecting rod and the piston each have spher...
03/06/1990
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