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| Number | Title | Issue Date |
| 8169749 | Post-assembly head/disk offset adjuster A post-assembly head/disk offset adjuster is disclosed. One embodiment provides a housing and at least one disk coupled with the housing. In addition, an adjustable pivot plate is coupled with the housing such that access to at least one adjustment point of the adju... | 05/01/2012 |
| 8149544 | Hard disk drive with recessed actuator joint Components and assemblies for a hard disk drive (HDD) with a recessed actuator joint are described. A rotary actuator hub assembly comprises a shaft having a flange, and a pivot seat on which the flange is seated when the shaft is fastened to an HDD chassis. Accordi... | 04/03/2012 |
| 8144434 | Integrated pivot-carriage for improving pivot bonding process An integrated pivot-carriage for a hard disk drive for improving a pivot bonding process. Embodiments include a pivot-bearing assembly comprising an upper bearing, a lower bearing and a pivot-bearing spacer there between; a carriage comprising: a center-bore within ... | 03/27/2012 |
| 7978437 | Tolerance ring for data storage with cut-out feature for mass control A tolerance ring configured to improve mass eccentricity of an actuator arm assembly. The tolerance ring has a cylinder with a predetermined length between two ends, with a gap along the predetermined length of the cylinder, the gap having a first and a second edge,... | 07/12/2011 |
| 7889461 | Internal support interface between a shaft and housing member with vibration and acoustic isolation An internal support interface which provides vibration and acoustic isolation. A stationary shaft has a medial portion about which a rotatable member rotates. An end portion of the shaft has an annular base surface surrounding a stub shaft projection. A substantiall... | 02/15/2011 |
| 7652851 | Head support device and disk device having the same A head support device of self-balancing type and a disk drive are disclosed. The head support device reduces manufacturing variation in a load and the number of components, and has stability and reliability, while being inexpensive. In this head support device, a fl... | 01/26/2010 |
| 7583476 | Tolerance ring for data storage with cut-out feature for mass control A tolerance ring configured to improve mass eccentricity of an actuator arm assembly. The tolerance ring has a cylinder with a predetermined length between two ends, with a gap along the predetermined length of the cylinder, the gap having a first and a second edge,... | 09/01/2009 |
| 7580225 | Tolerance ring having variable height and/or assymmetrically located bumps A tolerance ring configured to reduce torque ripple for a pivot bearing in an actuator arm assembly. The tolerance ring comprises a cylinder having a predetermined length, and a first and a second row of contacting portions arranged around the surface of the cylinde... | 08/25/2009 |
| 7570460 | Boss location to adjust head attitude Embodiments of the present invention provide a structure of a pivot receiving surface which may excellently adjust the attitude of a head supporting mechanism in a magnetic disk drive. In one embodiment, three projections are formed at a base for supporting a pivot ... | 08/04/2009 |
| 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. The bracket includes a pair of hooks (35), a... | 06/03/2008 |
| 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 assembly also has one or more bearings mounted inside the internal bore ... | 05/27/2008 |
| 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, a second slot extending along a direction perpendicular to the longit... | 05/06/2008 |
| 7365947 | Head support mechanism, head arm assembly, and disk drive apparatus with head arm assembly with weight formed around horizontal bearing A head support mechanism includes a rigid support arm, a suspension for supporting, at its leading end section, a head slider with at least one head element, the suspension having a balance structure that can be pivoted in a direction crossing a surface of a recordi... | 04/29/2008 |
| 7355819 | Machining actuator periphery to reduce resonance variation A method of manufacturing a disc drive actuator is provided. The method includes manufacturing a disc drive actuator and machining a peripheral surface of the actuator. The peripheral surface is machined to obtain a desired profile dimension and thereby reduce varia... | 04/08/2008 |
| 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 protrudes from a bottom surface of a cover member and fits into the projec... | 04/01/2008 |
| 7312954 | Suspension bearings for data storage drive A stacked suspension assembly for a data storage drive having, for example, at least two suspension members with each suspension member has a bearing hole therethrough. At least one spacer is positioned between the at least two suspension members to separate adjacen... | 12/25/2007 |
| 7304817 | Jerk controlled seek system A hard disk drive that includes a voice coil motor controlled by a servo circuit. The servo circuit provides a sinusoidal driving signal that has two different harmonic frequencies. The dual harmonic waveform creates a voice coil motor jerk profile (derivative of ac... | 12/04/2007 |
| 7292407 | Disk drive with support structure for disk-vibration capacitive sensors A data recording disk drive has one or more capacitive sensors for sensing out-of-plane vibration of the disk or disks. The sensors are attached to a support structure that is attached to the disk drive housing. Each sensor is associated with a disk and faces a surf... | 11/06/2007 |
| 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 inner and outer sides. The disk drive base includes an actuator support ... | 10/09/2007 |
| 7277256 | Actuator and hard disk drive employing the same An actuator of a hard disk drive moves a magnetic head to record and reproduce data with respect to a disk to a predetermined position on the disk. The actuator includes a suspension supporting a slider where the magnetic head is mounted, and an arm included on a ba... | 10/02/2007 |
| 7224550 | Hard disk drive device and method of assembling the hard disk drive device A hard disk drive device and method for assembling such a device are provided. The hard disk drive device includes storage medium components comprising a drive motor and disk for digital data storage, which are attached to a section of a casing that encloses the dri... | 05/29/2007 |
| 7221532 | Disk drive servo writing using stylus to sense vibration between an actuator arm and a servo writer push-arm Embodiments of the present invention are directed to methods of making a disk drive and related servo writers. The disk drive includes a data storage disk, an actuator arm, and a head connected to the actuator arm. The disk drive is connected to a servo writer that ... | 05/22/2007 |
| 7211915 | Motor assembly using redundant bearings and support elements A motor assembly comprises a plurality of redundant bearings, a plurality of coaxial support elements, with at least one of the support elements rotatable about an axis of rotation, and an armature rotatably guided by the plurality of support elements to rotate abou... | 05/01/2007 |
| 7186733 | 4-(phenyl-(piperidin-4yl)-amino)-benzamide derivatives and their use for the treatment of pain, anxiety or gastrointestinal disorders Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl, triazolyl, thiazolyl, and pyridine N-oxide; where each ... | 03/06/2007 |
| 7170716 | Method of forming a head suspension with an integral boss tower A method of making a multi-piece head suspension for a rigid disk drive. The method includes providing a first layer including a mounting region with an integral boss tower attached to a stiffener by one or more positioning tabs; attaching a second layer including a... | 01/30/2007 |
| 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 arm to pivot. The actuator supporting apparatus also includes a support... | 01/16/2007 |
| 7154702 | Head actuator Disclosed herein is a head actuator for a head provided so as to accessible to a disk-shaped recording medium rotating above a base. The head actuator includes a main actuator driven so as to rotate above the base, and a microactuator driven so as to swing relative ... | 12/26/2006 |
| 7145749 | Actuator assembly including an actuator body damping assembly An actuator assembly including a body portion having at least one actuator arm extending therefrom is disclosed. The body portion includes a body damping assembly to control vibration modes of the actuator body. The damping assembly is coupled to the actuator body o... | 12/05/2006 |
| 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 the outer rings by laser welding. ... | 11/14/2006 |
| 7133244 | Method and system for optimizing servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration A method for reducing written-in high frequency repeatable run out track mis-registration of a hard disk is described. The method includes adjusting the excitation frequencies away from mechanical modes to provide desired rotating speed of a servo track writer. The ... | 11/07/2006 |
| 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 includes a single sleeve defining an inner sleeve surface facing the pivo... | 08/01/2006 |
| 7074808 | 4-(Phenyl-piperidin-4-ylidene-methyl)-benzamide derivatives and their use for the treatment of pain, anxiety or gastrointestional disorders Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, pyrroloyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally ... | 07/11/2006 |
| 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 motor operatively connected to the actuator block for rotating a link. Th... | 07/04/2006 |
| 7072148 | Apparatus for the sealing of a pivot assembly used in a hard disk drive A pivot assembly that narrows the gap of the seal member as much as possible and can effectively restrain the diffusion of gas and dirt from the inside, and, moreover, can also solve the problem of out gas from a hub cap, is presented. The pivot assembly has ball be... | 07/04/2006 |
| 7064137 | 4-(Phenyl-(piperidin-4-yl)-amino)-benzamide derivaties and their use for the treatment of pain, anxiety or gastrointestinal disorders Compounds of general formula (I): R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionall... | 06/20/2006 |
| 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 distribution of forces on the pivot cartridge and effectively reduce vibr... | 05/30/2006 |
| 7050267 | Head-gimbal assembly of hard disk drive A head-gimbal assembly of a hard disk drive includes a loadbeam connected to a pivot arm, a slider on which a magnetic head is mounted, an elastic support member having one end coupled to the loadbeam and the other free end portion at which the slider is supported, ... | 05/23/2006 |
| 7023666 | Removable bearing assembly in a rotary actuator assembly for a rotatable media data storage device Assemblies in accordance with the present invention can replace cumbersome and potentially contaminating bearing assemblies for rotary actuators. One such assembly comprises a bearing assembly with a threaded base for insertion into a bore, wherein the bore includes... | 04/04/2006 |
| 7022715 | 4-(phenyl-piperidin-4-ylidene-methyl)-benzamide derivatives and their use for the treatment of pain, anxiety or gastrointestinal disorders Compounds of general formula I: R1 is selected from any one of phenyl, pyridinyl, pyrrolyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally ... | 04/04/2006 |
| 7009815 | Disk drive with spring provided in groove of voice coil holder to electrically connect voice coil with flexible printed circuit A technique of connection between VCM system wires and a FPC of a disk drive is improved in the following manner to enable miniaturization and thinning of the disk drive and reduction in cost. There is provided a disk drive comprising a disk-shaped medium for record... | 03/07/2006 |
