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7372671 Disk apparatus  
A head beam is retained at a front portion of the pivoting arm so as to be rotatable, and is continuously urged by an urging member in the counterclockwise direction. The pivoting arm has a...
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,...
7333299 Head supporting mechanism including two load beams with ribs overlapped with each other  
A suspension is provided, which comprises: a flexure with elasticity for supporting a head slider having at least one head element; a first load beam having first ribs for reinforcement at both...
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.
7265945 Head drive device including head support mechanism having support arm rotatable relative to base arm via rotation support part, and disk apparatus including the head drive device  
A head support mechanism of the invention comprises a head ( 1011 ) for recording on a disk or reproducing a disk, a head support member composed of this head ( 1011 ) and a support arm ( 2 )...
7218479 Head support device with bearing and elastic member  
The disclosed suspension assembly (S) for carrying a magnetic recording head in close following relation to a recording disc includes an improved arrangement for supplying a load to the recording...
7215513 Disk drive including a one-piece stamped actuator arm assembly and method of making same  
An actuator arm assembly of a disk drive is stamped from a single flat sheet of material and includes first and second actuator arm portions and one or more bendable portions integrally joining the...
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...
7164559 Head actuator with elastic members oriented at obtuse angles relative to an arm and hard disk apparatus equipped with same  
A head actuator is made thinner without sacrificing its strength to thereby achieve the thinning of a hard disk apparatus. On the base end of each of two suspensions is provided a boss that...
7161769 Disk drive having an actuator arm assembly that includes stamped actuator arms  
A disk drive includes a disk and a head stack assembly. The head stack assembly includes an actuator arm assembly that includes first and second stamped actuator arms. The first stamped actuator...
7158347 Grounding connection between suspension flexure and arm actuator  
An actuator arm assembly of a hard disk drive. The assembly includes a flexure that is attached to an actuator arm and a head coupled to the flexure. The head is coupled to a pre-amplifier circuit...
7154712 Wire support member and rotary disk storage device  
One feature of the invention is to support a wiring structure on a side surface of an actuator arm used in a magnetic disk device so as not to allow fluttering to occur. In one embodiment, a wire...
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...
7110223 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same  
A carriage for a magnetic disk apparatus includes a slider on which a magnetic head for reading/writing information from/to a disk is mounted, a suspension for carrying the slider and for applying...
7092216 Disk drives and actuator assemblies having a pair of bonded voice coil supporting arms  
An actuator arm assembly for a disk drive includes first and second stamped actuator arms including first and second arm portions, first and second body portions defining first and second body...
7088558 Disk drive head suspension with flexure and load beam supported on opposite sides of carriage arm  
To be capable of precisely positioning a head on a track of a high-density disk rotated at high speed in the disk drive, a head suspension has a plate ( 3 ) to be attached to a carriage of the disk...
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...
7064932 Head stack and actuator arm assemblies and disk drives having an actuator including an actuator arm spacer to increase actuator and suspension stiffness and to reduce the number of actuator arm resonance modes  
A disk drive includes a disk and a head stack assembly for reading and writing to the disk. The head stack assembly includes a body portion, a first actuator arm cantilevered from the body portion...
7050271 Actuator having doped silicon arms and method of making the same  
An actuator to which leads are easily attachable, and a method of making the same are provided. In the actuator in accordance with the present invention, a pair of silicon arms have their...
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...
7035055 Magnetic disk apparatus and head-supporting mechanism for the same  
A magnetic disk apparatus includes a magnetic disk on which information is stored, a magnetic head which performs writing-in and reading-out of information, a suspension which supports the magnetic...
7035054 Magnetic head apparatus, magnetic head supporting mechanism and magnetic recording apparatus having an improved impact resistance  
A load beam is provided with a base plate and a slider. A magnetic head apparatus is fixed to a head arm via a base plate. In a mechanism or structure for supporting such a magnetic head supporting...
7031118 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same  
A carriage arm assembly for swingably supporting a magnetic head which includes a slider, a suspension carrying the slider, a carriage arm to which the suspension is attached, and a body section....
7031117 Modular 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 spacer, an arm stack...
7031103 Hard disk drive having disk locking apparatus utilizing offset dummy slider/suspension arrangement  
A hard disk drive having a disk storing data, a spindle motor rotating the disk, an actuator having two arms disposed at both sides of the disk, and a disk locking apparatus locking the disk not to...
7012788 Spacer ring for disk drive spindle with load/unload feature, latch feature, and tribological overcoat  
A hard disk drive utilizes a spacer ring at its inner diameter to load and unload the read/write heads. During relatively small shock events, the actuator is retained relative to the disk through a...
6982853 Disk drive including a stamped arm assembly and method of making an actuator arm assembly  
An arm assembly of an actuator arm assembly of a disk drive is stamped from a single flat sheet of material and includes first and second actuator arm portions and one or more bendable portions...
6982852 Carriage arm assembly for magnetic disk drive  
A magnetic disk drive having a high recording density and enabling high speed transfer is achieved by reducing vibration of a carriage arm assembly to reduce a positioning error. The disk drive is...
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...
6959487 Head disc merge assembly for use at a merging station  
A head disc merge assembly for merging an actuator with a disc stack having a disc, the actuator assembly having a flexure supporting a data transducer head, the head disc merge assembly including...
6950286 Actuator arm design for reducing power consumption in a disk drive data storage device  
A hard disk drive utilizes an actuator arm design that significantly reduces air flow drag within the drive. The leading and trailing edges of the arm are shaped to reduce their coefficient of air...
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...
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...
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)...
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...
6879467 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same  
According to the invention, there is provided a carriage arm assembly including a carriage arm having two arm members. The arm member is constructed in such a way that the width of its coil side...
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...
6870708 Weld pads for head suspensions  
Method and apparatus for providing a welded attachment between components for a disk drive head suspension where the material of at least one of the components is not suitable for welding directly...
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...
6801405 Unibody (monocoque) arm design for high performance disc drives  
An actuator arm design having a close cross section which greatly improves the performance of the disc drive. The actuator arm is formed of a top skin, a bottom skin, and a core. The core may be...
6775106 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...
6757136 Apparatus and method for coupling a flex suspension assembly to an actuator assembly  
An actuator assembly including one or more actuator arms, wherein each of the actuator arms defines a clasp hole and a clamp-opening hole and a slot running between the clasp hole and clamp-opening...
6751064 Head supporting device and disk drive using the same  
A head supporting device comprises a support arm and a head mounted to an underside surface at one end of the support arm. The support arm is disposed in a rotatable manner about a bearing unit in...
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....
6704170 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...
6680824 Head arm assembly, disk apparatus with head arm assembly and manufacturing method of head arm assembly  
An HAA has at least one HGA, each including a head slider with at least one head element, a suspension for supporting the head slider, and a lead conductor member electrically connected with the at...
6678120 Multiple-modular actuators having a common axis of rotation  
Disclosed is a multiple rotary actuator assembly consisting of a plurality of modular actuators, wherein each modular actuator is mounted to and rotates independently about a common pivot shaft....
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...
6654208 Reduced inertia actuator pivot assembly  
A pivot assembly for use with a planar disc drive actuator has bearings which are mounted within the deck of a disc drive. A pivoting shaft is supported by the bearings and extends upwardly, and...
6597540 Head arm having through hole for making head arm lightweight, head moving mechanism and disk unit having the head arm  
A head arm includes a main body, partially located with a first area above a recordable medium. The main body includes a first surface opposite to the recordable medium and a second surface...
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