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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,...
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7367107 |
Method for making a disk drive head stack assembly having a tapered pivot bearing
A disk drive head stack assembly ( 66 ) of a configuration that facilitates the assembly thereof is disclosed. One or more head/arm assemblies ( 74 ) are mounted on a pivot bearing ( 118 ). This...
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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...
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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...
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7352537 |
Tuned damper for disk drive actuator arm
Embodiments of the present invention include a disk drive actuator arm for reducing amplitude of vibration modes substantially planar to a disk surface. The actuator arm comprises a plurality of...
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7322094 |
Method for manufacturing a head stack assembly
A head stack assembly of a disk drive unit including a head arm assembly (HAA) having a head gimbal assembly, a drive arm to be connected with the head gimbal assembly; wherein the drive arm...
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7299536 |
Method for an improved magnetic head arm assembly
A system and method for an improved magnetic head arm assembly (HAA), reducing complexity of design and difficulty of manufacture, is disclosed.
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7274537 |
Windage stripper for an actuator and rotating disc
An actuator with a moveable block and supporting a cantilevered arm has a windage stripper supported for movement in unison with the block and spanning a cantilevered length of the arm. The...
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7193820 |
Head actuator having dummy weight used to coincide mass and swing movement centers
An object of the present invention is to provide a hard disk drive or related apparatus in which a possibility of head crash can be reduced to minimum even if the apparatus receives an external...
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7193819 |
Method of assembling a disk drive including actuating a shipping comb to bend a suspension vertically to facilitate a merge tool
A head stack assembly (HSA) is disclosed for use in a disk drive comprising a disk, wherein a merge tool is used to merge the HSA with the disk. The HSA comprises at least one actuator arm with a...
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7165314 |
Method for manufacturing a magnetic head arm assembly (HAA)
A system and method for an improved magnetic head arm assembly (HAA) is disclosed. The HAA includes three principal components, a head gimbal assembly (HGA), a flexible printed circuit (FPC)...
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7151649 |
Arm-suspension-pivot bearing integral design
A solid-state actuation mechanism for use in a data storage system. The actuation mechanism includes an anchor fixedly attached to a housing of the data storage system, a spring member including a...
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7150094 |
Method of stiffening an actuator comb and coil assembly
A voice coil and actuator yoke assembly is fabricated by deforming the coil to exactly fit the inner perimeter and thickness of the yoke. The comb is placed in a tool that registers the comb with...
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7046484 |
Magnetic head supporting device having dummy weight used to coincide mass and swing movement centers
An object of the present invention is to provide a hard disk drive or related apparatus in which a possibility of head crash can be reduced to minimum even if the apparatus receives an external...
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7016157 |
E-block having improved resonance characteristics and improved fragility
An improved E-block for positioning one or more transducer assemblies proximate one or more rotating storage disks of a disk drive is provided herein. The E-block includes an actuator hub and one...
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6989970 |
Rotary actuator assembly for a rotatable media data storage device
Assemblies in accordance with the present invention can access a data storage medium having one or more disks. One such assembly comprises a mounting block including a bore and at least one arm...
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6970327 |
Data storage device with damped load arm formed from Mn-Cu alloy composition
A data access assembly with a load arm formed from an Mn—Cu alloy is disclosed. The load arm may be supported by and actuator arm formed from a common Mn—Cu damping alloy, which has a...
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6963472 |
Flexural pivot for rotary disc drive actuator
The present invention provides for a flexural pivot that can be fitted within a cavity of an actuator. The pivot includes a first member that can be coupled to the wall defining the cavity and a...
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6950285 |
Head arm assembly with an arm motion limiting member and disk drive device with the head arm assembly
A Head Arm Assembly includes a head slider having at least one head element, an arm member for supporting the head slider at one end section, an actuator, mounted to the other end section of the...
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6950284 |
Cleating features to improve adhesive interface between an actuator tang and a tang-supporting surface of an actuator assembly of a hard disk drive
A disk drive includes a disk, a latch assembly including a magnet and a head stack assembly for reading and writing to the disk. The head stack assembly includes a body portion defining a through...
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6950283 |
Stacked actuator arm assembly clamp
A stacked actuator assembly has symmetrical actuator arms and spacers stacked on a rotatable sleeve. The assembly may have circuit elements or other elements attached on one side of the assembly....
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6941641 |
Method for mounting an arm to an actuator
A method for mounting removably secured actuator arms that include head suspensions to an actuator assembly spindle. Each arm is mounted to an actuator spindle via a spacer with an annular lip with...
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6937443 |
System and method for a three-piece design of a magnetic head assembly
A system and method for an improved magnetic head arm assembly (HAA) is disclosed. The HAA includes three principal components, a head gimbal assembly (HGA), a flexible printed circuit (FPC)...
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6903903 |
Disk drive head stack assembly having a tapered pivot bearing
A disk drive head stack assembly ( 66 ) of a configuration that facilitates the assembly thereof is disclosed. One or more head/arm assemblies ( 74 ) are mounted on a pivot bearing ( 118 ). This...
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6879466 |
Disk drive including an actuator with a constrained layer damper disposed upon an actuator body lateral surface
An actuator for a disk drive. The actuator includes an actuator body defining an axis of rotation and including a body lateral surface disposed generally parallel to the axis of rotation. The...
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6813120 |
Encased E-block
A disc drive, includes a base, a disc stack rotatably attached to the base, and an actuator assembly movably attached to the base. The actuator assembly includes an E-block. The E-block for a disc...
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6809906 |
Actuator molding and baking process parameters for polyphenylene sulfide 40% glass fill for high temperature overmold carriage operation in hard disk drives
A method is provided for forming a body for a hard disk carriage assembly from polyphenylene sulfide 40% glass fill. An injection mold is heated to approximately 130° C.; then a volume of...
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6781796 |
Counterbalance fastener for a disc drive stacked actuator
A stacked actuator for controllably positioning a data transducing head adjacent a data recording surface in a disc drive, and a method for fabricating the stacked actuator. The stacked actuator is...
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6772506 |
Method for detaching swaged components of a disc drive
A method for detaching a suspension assembly adapted to support a head staked to an actuator arm of an actuator block of a disc drive. The method includes the steps of inserting an expandable...
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6765764 |
E-block with stamped and drawn actuator arm members
An E-block of an actuator for use in a data handling system to support a read/write head adjacent a recording surface. The E-block is formed by providing feed stock along a planar orientation,...
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6738229 |
Head stack assembly having decreased track misregistration characteristics
An E-block ( 20 ) and head stack assembly ( 15 ) for maintaining one or more data transducers ( 18 ) proximate one or more rotating storage disks ( 28 ) of a disk drive ( 10 ) is provided herein....
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6738228 |
Magnetic head positioner assembly
A magnetic head positioner assembly comprises a plurality of magnetic head support members individually provided with magnetic heads, an arm, and a movable coil which is held by the movable coil...
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6704995 |
Method for swaging a suspension assembly to an actuator arm of an actuator block
A method for swaging a suspension assembly to an actuator arm of a data storage device is disclosed. The method includes steps of inserting a deformable tubular stake into an aperture of an...
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6687094 |
Head actuator for a data storage head having a low mass with lateral stiffness
An actuator having a relatively low mass for supporting flexible head suspension assemblies to read data from or write data to discs. The actuator includes an actuator body adapted to rotationally...
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6687093 |
Head stack assembly shipping comb with temporary locating feature for internal head disk assembly build process and disk drive manufactured using the same
Disclosed herein is a disk drive that includes a housing including a base, the base defining a blind receptacle, a spindle motor attached to the base, a disk mounted to the spindle motor and a head...
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6665150 |
Contamination control on actuator arms in a disk drive
A hard disk drive actuator includes a plurality of arms for holding the heads over the disks. Each arm has one or more contaminant collectors for collecting contaminants, such as airborne...
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6661615 |
Apparatus and method for depopulating a disk drive head stack assembly by utilizing an overmolded actuator
A head stack assembly for a hard disk drive has an actuator comb body, a coil yoke, at least one actuator arm, and a prosthesis. The prosthesis is an artificial or replacement arm and is preferably...
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6633452 |
Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
A hard disk drive apparatus is capable of reducing a noise effectively during operation and capable of enhancing the reliability of the drive. The hard disk drive has first and second ribs that are...
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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...
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6618226 |
Locally deformable sleeve on disk drive pivot assembly
A disk drive pivot assembly has a locally deformable internal sleeve that is equipped with two small deformable zones where the sleeve makes contact with the actuator comb bore. The zones can be in...
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6563676 |
Disk drive actuator arm
An actuator arm for a disk drive includes a flat sheet of material having a predetermined configuration. This arm lies pivotally mounted to a base of the disk drive; and it supports a coil assembly...
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6532137 |
Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus
A disk drive head assembly enables adjustment of a center of gravity of the head assembly of a depopulation version, while suppressing an occurrence of a resonance frequency affecting the...
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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...
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6487053 |
System for improved assembly and manufacture of miniature data recording devices and head stack assemblies
A head stack assembly for a data recording disk drive has a carriage on which a coil is mounted. The carriage has a first surface and a second surface. A first head gimbal assembly is mounted on...
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6480364 |
Thermally compensated rotary positioning system for a disc drive
Apparatus and method for cooling the actuator coil with a suitable heat sink structure. The heat sink thermally couples the coil to one or more of the head-carrying arms, which are positioned close...
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6480363 |
Hard disk drive actuator assembly with damped tolerance ring for enhancing drive performance during structural resonance modes
A damped tolerance ring assembly has an outer tolerance ring, an inner tolerance ring, and an elastomeric layer bonded therebetween. The tolerance rings are metal, spring-like split rings. Each...
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6469872 |
Featherweight actuator for disc drives
A lightweight actuator for use in a disc drive where the actuator body, yoke and actuator arms are molded as a unitary article. The actuator is preferably molded from a composite material chosen on...
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6466414 |
Continuously wound fiber-reinforced disk drive actuator assembly
A near net shape fiber composite actuator assembly that requires little to no secondary finishing operations such as cutting or machining of the fiber structure to form the periphery of the...
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6411472 |
Dual metal laminate tolerance ring for acoustic and vibration damping
A disc drive, includes a base, a disc stack rotatably attached to the base, and an actuator assembly movably attached to the base. The actuator assembly includes arms on one end for holding the one...
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6389684 |
Swaging flexures to E-block arms
A swaging device for connecting suspension assemblies to an actuator block of a disc drive. The swaging device includes an expandable member which is designed for insertion into channels of tubular...
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