| Patent Number |
Title Of Patent |
Date Issued |
| 7623320 |
Discrete mounting arm for hard disk drive and method for making the same |
November 24, 2009 |
| A mounting arm for a hard disk drive having a generally planar region, the mounting arm having at least one striation formed on the generally planar region to provide compressive residual stress with desirable shape characteristics in the mounting arm. |
| 7611303 |
Tolerance ring with high axial static friction |
November 3, 2009 |
| A tolerance ring for applications requiring high axial static friction has contacting portions having a novel profile. The use of multiple contacting portions having a smaller size that are wedge-shaped increases rigidity and provides a directional grip that increases axial static fu |
| 7583476 |
Tolerance ring for data storage with cut-out feature for mass control |
September 1, 2009 |
| 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, the cylinder having |
| 7580225 |
Tolerance ring having variable height and/or assymmetrically located bumps |
August 25, 2009 |
| 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 cylinder, the contacting |
| 7554771 |
Tolerance ring for data storage with overlapping tab feature for mass control |
June 30, 2009 |
| A tolerance ring for coupling an actuator arm to a pivot bearing while maintaining mass eccentricity of the actuator arm. The tolerance ring having a substantially cylindrical base portion with a first radius about a central axis and extending a length parallel to the central axis, the |
| 7507063 |
Snap ring with recessed interior contour |
March 24, 2009 |
| A snap ring for applications requiring cleanliness has a novel recessed interior contour that reduces debris generation during installation of the snap ring. The snap ring is suitable for applications where a reduction in debris generation is desirable, such as to retain an actuator |
| 7450344 |
Remelted Magnetic head support structure in a disk drive |
November 11, 2008 |
| A magnetic head supporting structure comprises a metal purified by vacuum arc remelting, vacuum induction melting, electroslag remelting, or electroslag remelting under vacuum, in at least one of the regions that undergo plastic deformation during disk drive manufacture, to reduce sm |
| 7324307 |
Plated base plate for suspension assembly in hard disk drive |
January 29, 2008 |
| A swage mount that includes a flange, having a first side and a second side, and a cylindrically shaped hub. The hub is primarily comprised of a metal (such as stainless steel), and extends from the second side of the flange, and has an inner surface and an outer surface. The surface of |
| 7304824 |
Plated base plate for suspension assembly in disk drive |
December 4, 2007 |
| A swage mount for a recording head suspension comprising a flange, and a hub made of a base metal extending from the flange, and at least an outer surface of the hub is plated with one or more layers of metal which provides increased retention torque, and/or increased cleanliness, and/or |
| 7190555 |
Micro-hub swage mount for attachment of suspension assembly in hard disk drive |
March 13, 2007 |
| A disc-drive assembly including an actuator arm, a load beam and a swage mount. The actuator arm has a thickness (T.sub.A), an arm tip with a width (W.sub.A), and arm-hole with a diameter (D.sub.A) in the actuator arm. The load beam has a load beam hole. The swage mount has a flange |
| 6634085 |
Method of attaching a magnetic recording head suspension assembly to a thermoplastic actuator ar |
October 21, 2003 |
| Transducer suspensions are attached to actuator arms by means of bonding a portion of a thermoplastic actuator arm to the magnetic recording head suspension assembly. The actuator arm has rail portions that provide a channel in which the load beam and base plate flange fit. The rail |
| 6634084 |
Method of attaching magnetic recording heads to actuator arms using thermoplastic bonding |
October 21, 2003 |
| A method of bonding a magnetic disk drive head suspension to an actuator arm. The actuator arm has a boss hole therein and the suspension includes a base plate with an inside diameter or barrel therein. A thermoplastic cylindrical core is fabricated with a barrel therein. The suspension |
| 6631553 |
Method for press-in attachment of suspension assembly in hard disk drive |
October 14, 2003 |
| A method of and apparatus for assembling a disk drive. The method comprises steps of clamping a number of head suspension assemblies in an actuator body such that base plate hubs in the suspensions are in alignment with corresponding boss holes in actuator arms extending from the actuato |
| 6625871 |
Method of attaching magnetic recording heads to actuator arms using thermoplastic bonding |
September 30, 2003 |
| A method of attaching a load beam to a head actuator arm. A number of weld holes are provided in the load beam and the actuator arm. A thermoplastic base plate is aligned over the weld holes in the load beam and the actuator arm. A heating tool having a number of pins is clamped over the |
| 6572984 |
Metal laminate structure and method for making |
June 3, 2003 |
| Laminates consisting of a high-damping core material sandwiched between two stiff, weldable skins. The laminate structures have increased resonant freguencies, improved damping characteristics, do not outgas, and may have a decreased inertial moment. The laminates are comprised of 100% m |
| 6399179 |
Base plate for suspension assembly in hard disk drive with stress isolation |
June 4, 2002 |
| A base plate comprising a hub, a flange having an outer flange region at an outer periphery of the flange and a clamping region that surrounds and is contiguous with the hub. A strain isolation region of the flange surrounds and is contiguous with the clamping region. The strain isolatio |
| 6372315 |
All-metal base plate having a pronged hub for press-in attachment of a load beam assembly to a h |
April 16, 2002 |
| A base plate for press fitting into a boss hole of a predetermined nominal diameter. The base plate has a flange and a hub extending from a region at which the hub meets the flange to an outer end of the hub. The hub has a number of vertical slots cut through the hub extending from the o |
| 6372314 |
Base plate with toothed hub for press-in attachment of suspension assembly in hard disk drive |
April 16, 2002 |
| A base plate for press fitting into an actuator arm boss hole of a predetermined nominal diameter. The base plate has a flange and a hub extending from a region at which the hub meets the flange to an outer end of the hub. The hub has a number of vertical teeth protruding from the hub |
| 6368685 |
Base plate with undulation shaped snap-through hub for decreased swage force attachment of suspe |
April 9, 2002 |
| A base plate for swage fitting into a boss hole of a predetermined nominal diameter. The base plate has a flange and a hub extending from a region at which the hub meets the flange to an outer end of the hub. The hub has a number of arcuate indentations in the hub extending from the oute |
| 6361740 |
Suspension arm and load beam for a disk drive |
March 26, 2002 |
| A high-damping, corrosion resistant and substantially non-magnetic material having high damping properties has been developed for use in dynamic applications, specifically, a disk drive suspension arm and load beam. A disk drive assembly includes a disk having a readable and writeable |
| 6191921 |
All metal base plate having a hardened flange and soft hub for attaching a load beam assembly to |
February 20, 2001 |
| A base plate for a suspension assembly in a hard disk drive wherein the base plate has a hardened flange and soft hub. The base plate is stamped in a progressive die in a sequence of forging and coining operations. The base plate is subsequently fully annealed to allow the material to yi |
| 6185072 |
Base-plate for magnetic head suspension in hard disk drive with material fold-over |
February 6, 2001 |
| An arm assembly movable about a pivot includes means for holding a recording head slider on the arm assembly. The arm assembly includes an actuator arm supported at one end at the pivot, and a load beam connected to an end opposite to the one end of the actuator arm and extending to the |
| 6183841 |
Optimized low profile swage mount base plate attachment of suspension assembly for hard disk dri |
February 6, 2001 |
| An optimized low profile swage mount or press-in fitted base plate for attachment of a suspension assembly to an actuator arm in a hard disk drive. The base plate has a base plate thickness, T.sub.BP, overall height, H.sub.H, hub inner diameter, D.sub.ID, hub outer diameter, D.sub.OD |
| 6141868 |
Apparatus for press-in attachment of suspension assembly in hard disk drive |
November 7, 2000 |
| A method of and apparatus for assembling a disk drive. The method comprises steps of clamping a number of head suspension assemblies in an actuator body such that base plate hubs in the suspensions are in alignment with corresponding boss holes in actuator arms extending from the actuato |
| 6069772 |
Base plate for magnetic read suspension in hard disk drive with material fold-over |
May 30, 2000 |
| An arm assembly movable about a pivot includes means for holding a recording head slider on the arm assembly. The arm assembly includes an actuator arm supported at one end at the pivot, and a load beam connected to an end opposite to the one end of the actuator arm and extending to the |
| 6063508 |
Swageable base plate with gram load offset and adjustment feature |
May 16, 2000 |
| A base plate with a hub and a flange having a clamping region in a horizontal plane and an extended flange portion. The clamping region surrounds and is contiguous with the hub. The extended flange portion has a tip region at a distal end thereof. The extended flange portion is conti |
| 6046885 |
Base plate suspension assembly in a hard disk drive with step in flange |
April 4, 2000 |
| A base plate having a hub, a flange having an outer flange region at an outer periphery of the flange and a clamping region at an inner periphery of the flange that is contiguous with the hub. The flange has a modified region that at least partially surrounds and is contiguous with the |
| 6033755 |
Base plate for suspension assembly in hard disk drive with tapered inner barrel |
March 7, 2000 |
| A base plate wherein the inner barrel of the base plate hub is comprised of two distinct zones. The first zone is an inner diameter sized for use with standard tooling pins in an assembly process as a metric for size control. The second zone is a taper for distributing tension swage forc |
| 5948997 |
Swaged connection testing apparatus |
September 7, 1999 |
| An apparatus for measuring the reliability of a swage mount interconnecting components of a workpiece using a computer-controlled apparatus. The apparatus includes a mechanism that connects the components by a swaging process under precisely controlled conditions and a mechanism to s |
| 5833777 |
Base plate for suspension assembly in a hard disk drive with a hardened flange and soft hub |
November 10, 1998 |
| A base plate for a suspension assembly in a hard disk drive wherein the base plate has a hardened flange and soft hub. The base plate is stamped in a progressive die in a sequence of forging and coining operations. The base plate is subsequently fully annealed to allow the material to yi |
| 5689389 |
Low profile swage mount |
November 18, 1997 |
| A low profile swage mount for connecting a disc drive actuator arm to the load beam of a head suspension assembly and including a base plate formed on one side with an opening and having a hollow hub disposed on the opposite side. The hub is formed with an inner swaging surface having a |
| 5591277 |
Method for thermally conditioning disc drive swage mounts |
January 7, 1997 |
| A method for thermally conditioning a disc drive swage mount to enhance torque retention capability and plate stiffness wherein the swage mount is baked in an oxygen depleted environment to an elevated temperature within a predetermined range of temperatures which activates inherent fric |
