Matches 1 - 50 out of 91 1 2 >
Match Document Document Title
7382609 Latch mechanism for data storage device  
A latch mechanism includes a bracket ( 30 ) for receiving a data storage device ( 10 ) therein, a latch member ( 30 ), and a locking member ( 20 ) fixed to a rear end of the data storage device....
7379273 Anti-gall bearing with captive screw  
A bearing assembly to mount an actuator on a mounting hub of a data storage device comprises a cylindrical hub for the actuator having an internal bore along a cylindrical hub axis. The bearing...
7369368 Head stack assembly having an actuator body with multiple slots adjacent to a bore  
A head stack assembly for a disk drive includes an actuator body. The actuator body includes a pair of sides, a bore defining a longitudinal axis, a first slot extending between the pair of sides,...
7352536 Pivot shaft fixing structure with projection integral with cover member and data storage device having the same  
A pivot shaft fixing structure of a data storage device includes a projection hole formed through a top surface of a pivot shaft that rotatably supports an actuator. In addition, a projection...
7280317 Disk drive including an actuator with a pivot shaft and a disk drive base with an actuator support section for attachment of the pivot shaft and a seal  
A disk drive includes a rotary actuator including a pivot bearing cartridge. The pivot bearing cartridge has a pivot shaft with a shaft body and a shaft threaded end. A disk drive base includes...
7164558 Apparatus to buffer vibration and support an actuator of a hard disk drive  
An actuator supporting apparatus of a hard disk drive includes a pivot bearing including an inner ring, an outer ring, and a rolling member, which are installed coaxially, to support an actuator...
7136262 Pivot assembly preloaded by laser welding for hard disk drive use  
A pivot assembly for use in a hard disk drive, in which ball bearings are placed at both ends of a shaft, and a spacer is disposed between outer rings of the ball bearings. The spacer is fixed to...
7085108 Disk drive including pivot-bearing cartridge tolerance ring having a damping layer for actuator resonance reduction  
A disk drive includes a pivot-bearing cartridge configured to pivotally support the head stack assembly on the base of the drive. A tolerance ring is coupled to the pivot-bearing cartridge and...
7072147 Hard drive actuator arm with reduced skew variation  
A rotary actuator system includes an actuator block, a head mounting block, and a linkage arm connecting the actuator block and the head mounting block. The system further includes an actuator...
7054111 Disk drive actuator-pivot assembly with corrugated rings  
An actuator assembly for a disk drive is provided wherein the pivot cartridge is supported within the bore of the actuator with corrugated end rings. The corrugated end rings provide a uniform...
6995955 Pivot assembly for hard disk drive use  
An apparatus for a pivot assembly that can strongly and reliably fix a sleeve to an outer ring, and in addition, that can also solve the problem of out gas. Ball bearing 2 are mated to both ends...
6982850 Method of manufacturing a base plate  
A method for forming a base plate in which the base plate is stamped out of a sheet of metal. One of a relief surface and a boss are formed in the base plate by press working the base plate.
6925715 Method for seating a removable bearing assembly in a rotary actuator assembly for a rotatable media data storage device  
Methods in accordance with the present invention can eliminate cumbersome and potentially contaminating methods for connecting a bearing assembly with an actuator assembly. One such assembly...
6924962 Apparatus to buffer vibration and support an actuator of a hard disk drive  
An actuator supporting apparatus of a hard disk drive includes a pivot bearing including an inner ring, an outer ring, and a rolling member, which are installed coaxially, to support an actuator...
6867949 Vibration-damped push-pin assembly for disk drive servo writing  
The present invention is directed to a push-pin assembly for use with a positioning arm of a disk drive servo writer. The push-pin assembly promotes vibrational damping between the push-pin...
6831810 Disk drive enabling simultaneous assembly of HSA and disk pack  
A disk drive has an enclosure that includes a first portion and a second portion that is configured to mate with the first portion. A spindle motor is attached to the first portion and a disk is...
6801386 Damper design on pivot bearing shaft by vibration reduction  
A pivot cartridge assembly with improved resonance characteristics. One end of the pivot bearing shaft is mounted to the base of the disc drive, and the other end is secured to the cover of the...
6754046 Increased slip force pivot bearing  
The sleeve of an actuator bearing cartridge is provided with an inclined surface on its outer surface. A tolerance ring is placed around the sleeve, and the cartridge and ring are then press-fit...
6744605 Low-profile pivot assembly  
A low-profile pivot assembly is disclosed. The assembly includes two generally coaxial bearings having differing diameters so as to define inner and outer bearings. This arrangement permits the...
6741428 Spindle motor having inner and outer ball bearing sets  
A spindle motor for use in a disk drive includes a spindle motor base. The spindle motor further has a spindle motor hub rotatably attached to the spindle motor base. The spindle motor further has...
6731470 Pivot bearing cartridge having inner and outer ball bearing sets  
A pivot bearing cartridge for use in a head stack assembly. The pivot bearing cartridge is provided with a pivot bearing cartridge base. The pivot bearing cartridge is provided with a pivot shaft...
6687092 Pivot bearing assembly for compensating for disk drive actuator tilt  
A disk drive pivot assembly design has a shaft that supports two actuators. The pivot assembly design compensates for the tilting of the actuators due to shaft bending during seek operations. Two...
6678122 Actuator block  
In order to facilitate fixing a pivot assembly to an actuator block and to obtain the stable coaxiality, a screw hole passing from the outside is provided towards a fitting hole into which the...
6657822 Magnetic disk apparatus  
A magnetic disk apparatus includes a magnetic disk, a magnetic head for writing data into and reading data from the magnetic disk, a carriage pivoted on a pivot bearing while holding the magnetic...
6634103 Method of stabilizing high-speed control of ball bearing device  
The locus of the displacement of the centers of the balls of a ball bearing is made elliptical and the radial bearing rigidity of the ball bearing in one radial direction is made greater than the...
6631053 Actuator pivot assembly that pivotally connects an actuator to a base of a disk drive  
A disk drive includes an actuator with a shaft and a base with a sleeve that receives the shaft and includes as least one bearing. The shaft extends into the sleeve and through the bearing where it...
6606224 Cartridge bearing with frictional sleeve  
The outer surface of the cartridge sleeve is provided with features which increase the frictional coefficient between the cartridge sleeve and a tolerance ring placed around the cartridge. The...
6603640 Dual actuator pivot bearing system and method for making the same  
A dual actuator pivot bearing system and method for making the same is disclosed, wherein the need for adhesive bonding is eliminated and assembly time is minimized. The dual actuator pivot...
6556387 Controlling mechanical response characteristics of a disc drive actuator by adjusting a fastener engaging the actuator shaft to vary axial force on the bearing assembly  
Apparatus and method for adjusting an actuator mechanical response characteristic in a data handling system, such as a disc drive. An actuator rotates about a pivot system to move a read/write head...
6545845 Actuator assembly retaining clip  
A low height disk drive having an overall height of approximately one inch (1″). The drive includes a head disk assembly, including a base plate, two disks rotatably supported on the base plate,...
6525910 Threadably mountable drive actuator bearing assembly  
An actuator assembly suitable for a disc drive with at least one rotating disc for storing information. The actuator assembly has an actuator body having a mounting opening with at least a portion...
6519116 Actuator arm assembly having bearing gap formed between bearing outer race and pivot sleeve for mitigating torque ripple on actuator arm in a disk drive  
An aspect of the invention can be regarded as an actuator arm assembly which includes an actuator arm having an actuator bore. The actuator arm is configured to pivot about an axis of rotation. The...
6501615 Dampening member for isolating actuator vibration  
A method and apparatus for isolating actuator noise for a disc-drive system. An isolation material and a plug are combined in such a way to prevent or lessen acoustic actuator noise from the...
6466400 Magnetic disk drive capable of reducing noise at starting utilizing conjoining, damped washers to support shafts in the disk drive  
Disclosed herein is a magnetic disk drive including a spindle shaft fixed to a base, a coil mounted on the spindle shaft, a spindle hub rotatably mounted on the spindle shaft, a magnetic disk fixed...
6411471 Low friction bearing pivot for disc drive  
A pivot mechanism is disclosed for mounting a rotatable actuator on a base of a disc drive. The pivot mechanism is made up of a shaft on which a housing is rotatably mounted by a lower ball bearing...
6342992 Hard disk drive actuator pivot with inboard pads and enhanced pivot sleeve thickness for improved servo stability  
A hard disk drive actuator pivot cartridge has a sleeve, a coaxial pivot shaft, and a pair of bearings therebetween. The bearings are located near the axial ends of the shaft. The sleeve has a wall...
6304409 Active damping of actuator bearing translational mode  
Apparatus and method for improving operational performance of a disc drive by detecting and compensating for translational vibration modes in a disc drive actuator. The actuator is configured to...
6299358 UV-transparent elements for hard disk drive components  
Ultraviolet-transparent seals, flange, and sleeve assemblies are used in actuator pivot cartridges for hard disk drives to cure adhesive located inside the pivot housing. The assemblies are formed...
6288879 Top down assembly of a disk drive actuator using a tolerance ring and a post  
An apparatus for reducing manufacturing cost and increasing disc drive actuator assembly stiffness. A post extends from a base deck and supports an actuator assembly and cartridge bearing. In...
6256173 Apparatus for isolating vibration in pivot bearing assemblies  
An apparatus for isolating vibration in pivot bearing assemblies that is incorporated in a standard pivot bearing assembly without requiring modification of the pivot bearing assembly. Washers are...
6229676 Ferrofluid seal for actuator bearing  
A ferrofluid seal for a hard disk drive actuator bearing has two circular plates which are axially spaced apart about a nonmagnetic pivot shaft of the actuator. The plates are parallel and in close...
6205004 Device for fixing actuator and cover in hard disk drive  
A device for fixing an actuator and a cover in a hard disk drive is provided with a body base having a boss and a screw hole formed on the boss. A pivot bearing is formed at the center of the...
6128165 Actuator assembly attachment in a disc drive  
An improved attachment of an actuator E-block of an actuator apparatus to a cartridge bearing assembly for a hard disc drive, the actuator apparatus having an E-block with a central bore having a...
6038105 Temperature-compensated rotary actuator cartridge bearing stablizer  
An improved attachment of an actuator E-block of an actuator assembly to a pivot bearing assembly for a disc drive, the E-block having a central bore having a pair of alignment edges to pressingly...
6018441 Disk drive pivot bearing and actuator arm assembly  
A disk drive includes a pivot bearing and actuator arm. The actuator arm includes a stepped pivot bearing housing. The pivot bearing housing has a first nominal inside diameter and a relatively...
5999373 Bearing cartridge for a disc drive  
Apparatus for reducing the mass and the responsive inertia of a bearing cartridge for a disc drive actuator assembly, the bearing cartridge including a stationary shaft, a bearing assembly and a...
5978180 Actuator fixing apparatus in hard disk drive  
An apparatus for rotatably connecting an actuator in a hard disk drive includes a housing coupled to a base of the hard disk drive and having an aperture for enabling rotation of the actuator. A...
5914837 Disk drive having elastomeric interface in pivot bearing assembly  
A disk drive has a base, a cover, a spindle motor mounted to the base, and a disk coupled to the spindle motor. A rotary actuator comprising a head stack assembly is coupled to the base by a pivot...
5894382 Head stack assembly for a disk drive having a plastic inner sleeve  
A magnetic disk drive with a head stack assembly includes a body portion, a coil portion cantilevered from one side of the body portion, and an actuator arm cantilevered to the opposite side of the...
5880904 Disk drive having a thickness equal to an IC memory card  
A compact card type disk drive includes a housing (21) for accommodating a disk for storing data, disk drive for rotating the disk, a head assembly for writing and reading data to and from the disk...
Matches 1 - 50 out of 91 1 2 >