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| Number | Title | Issue Date |
| 8125739 | Disk drive device and magnetic disk drive Embodiments of the present invention securely latch an actuator rotated by an external impact. In an embodiment of the present invention, a latch and an actuator have a structure in which the latch can latch the actuator at two different swing angles. The swing angl... | 02/28/2012 |
| 7729090 | Disk drive device, actuator lock mechanism, inertia latch mechanism and inertia lever Disclosed is an inertia latch mechanism capable of omitting erection of a pin for swinging an inertia lever. An inertia lever for use in the inertia latch mechanism is constituted of: a lever body swinging by inertia when an impact is applied thereto; a fixture fixe... | 06/01/2010 |
| 7656618 | Disk device and manufacturing method therefor According to one embodiment, a disk device includes a case having a bottom wall, a disk-shaped recording medium located in the case, a drive motor which is located in the case and supports and rotates the recording medium, a head which performs information processin... | 02/02/2010 |
| 7564654 | Actuator latch device for hard disk drive An actuator latch device for locking an actuator of a hard disk drive, the actuator having a swing arm rotatably installed at a base member, a voice coil motor (VCM) coil provided at one end of the swing arm, and magnets oppositely arranged at the VCM coil. The actu... | 07/21/2009 |
| 7532439 | Hard disk drive actuator latch apparatus having an inclined surface An actuator latch apparatus for a hard disk drive (HDD). The actuator latch apparatus includes a first latch formed on one end portion of a swing arm, a notch formed on the one end portion of the swing arm and spaced a predetermined interval from the first latch in ... | 05/12/2009 |
| 7505230 | Rotating disk storage device and latch method thereof A rotating disk storage device has a stopper mechanism and a latch mechanism for diminishing a shock imposed on an actuator head suspension assembly (AHSA) and permits positive retraction of the AHSA upon occurrence of an external shock or runaway. In one embodiment... | 03/17/2009 |
| 7460339 | Inertial latch that restricts actuator rotation in a first direction but not in a second direction A rotating disk storage device has a mechanism for latching an actuator head suspension assembly (AHSA) positively in a retraction area upon occurrence of an external shock or runaway. In one embodiment, a latch mechanism comprises an AHSA which is supported pivotab... | 12/02/2008 |
| 7423845 | Recording disk drive with enhanced swinging member A disk drive includes a latch mechanism. A lever and a weight are supported on a first shaft. The lever defines first and second operating spots distanced from the first shaft by first and second distances, respectively. The weight is distanced from the first shaft ... | 09/09/2008 |
| 7379272 | Disk drive internal latch assembly with movement restriction member to generate opposing rotation moments on shaft opposing sides A lever and a weight are supported on a first shaft for swinging movement in a latch mechanism. The weight gets closer to a head actuator member based on swinging movement in a first direction. A restriction member restricts the swinging movement of the weight in a ... | 05/27/2008 |
| 7336447 | Disk device with inertia arm retaining portion stepped up from top yoke An inertia latch mechanism has a latch arm, which latches a head actuator in a retreated position, and an inertia arm, which is rockably supported around a second pivot and rotates the latch arm to a latch position by rotating around the second pivot when subjected ... | 02/26/2008 |
| 7295405 | Disk drive capable of restricting unexpected movement of a head suspension using a latch member to restrict movement of the suspension and elasticity of the suspension to enable a head load tab to move down a ramp inclined surface A guiding passage is formed on a ramp member. The guiding passage defines an inclined surface angled towards plane including the surface of a recording disk at a position toward an inoperative position. A restriction member is allowed to restrict the movement of the... | 11/13/2007 |
| 7277253 | Storage device A storage device configured to load and unload a head against a storage medium, includes a latch mechanism configured to latch the unloaded head, a head moving mechanism configured to move the head, a measuring part configured to measure an unlatch force necessary f... | 10/02/2007 |
| 7265929 | Method of controlling an actuator, and disk apparatus using the same method A disk apparatus includes (a) an actuator having a head supporting arm with a tab formed on the arm and a voice coil fixed to the arm, which arm is rotatable on a horizontal rotary shaft as well as on a vertical rotary shaft, (b) a voice coil motor having an upper y... | 09/04/2007 |
| 7259938 | Actuator latch for disk drive An actuator latch for a disk drive comprises at least one damping structure disposed at a wall within a recess of a latch body. Such a damping structure absorbs impact force between the latch body and a distal end of the actuator to minimize noise at a transducer on... | 08/21/2007 |
| 7259966 | Apparatus, system, and method for reducing rotational vibration transmission within a data storage system An apparatus, system, and method are disclosed for reducing rotational vibration transmission within a data storage system. A storage device apparatus comprises a carrier having opposing first and second side plates. A support point may be disposed within the first ... | 08/21/2007 |
| 7248440 | Single lever type actuator latch system of disk drive An actuator latch system of a disk drive to lock an actuator having a swing arm installed at a base member, a voice coil motor coil joined to an end portion of the swing arm, and a magnet facing the voice coil motor coil, including a first and a second latch portion... | 07/24/2007 |
| 7242555 | Inertial latching mechanism for disk drive actuator The invention prevents the deterioration of the read/write performance of a hard disk drive due to the interference between an inertial latching mechanism and an actuator when a head slider holding a magnetic head is located at a read/write position. A latching arm ... | 07/10/2007 |
| 7203019 | Latch apparatus for latching an actuator arm assembly in a disk drive A latch apparatus is configured to latch an actuator arm assembly that can position a read/write head relative to a data storage disk in a disk drive. The latch apparatus includes a latch arm, a coil, a permanent magnet, and a latch control circuit. The latch arm is... | 04/10/2007 |
| 7174558 | Memory device A memory device for recording, playback, and erasure of data through the application of an optical head along a memory medium includes a head carriage and a carriage lock. The head carriage moves the optical head along the surface of the memory medium, and the carri... | 02/06/2007 |
| 7154711 | Information recording apparatus In a state wherein an actuator is located at a shunt position, when an apparatus is subjected to an external shock, the actuator tries to swing due to a rotational moment. An inertia arm generates a rotational moment simultaneously with the actuator. Both the rotati... | 12/26/2006 |
| 7119992 | Disk drive system with inertial arm preventing shock To provide a disk drive system provided with an inertial latching mechanism which has high reliability and can be arranged in a thin-model disk drive system. There is provided an inertial arm (7) engaging an actuator (22) when a head arm (25) is... | 10/10/2006 |
| 7085107 | Inertial latching mechanism for disk drive actuator The invention prevents the deterioration of the read/write performance of a hard disk drive due to the interference between an inertial latching mechanism and an actuator when a head slider holding a magnetic head is located at a read/write position. A latching arm ... | 08/01/2006 |
| 7068472 | Hard disk drive actuator latch utilizing a fluid channel to deliver torque to a latch lever An actuator latch apparatus of a hard disk drive for locking a pivoting actuator includes a locking protrusion provided at one side of the actuator, a latch lever pivotably installed on the base and elastically biased such that a hook portion provided at one side of... | 06/27/2006 |
| 7035053 | Disk drive employing a constant contact inertial latch A disk drive is disclosed employing a constant contact inertial latch for latching an actuator arm assembly while the disk drive is powered down to protect against physical shocks. The inertial latch comprises a body having a protruding arm and a pivot surface. When... | 04/25/2006 |
| 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 second member that can be mounted to the disc drive housing component o... | 11/08/2005 |
| 6958891 | Actuator loading/unloading device for disc drive An actuator loading/unloading device includes a block unit disposed at a base of a disc drive to be positioned outside a disc, a lamp member positioned on the block unit so that the lamp member is lifted from or lowered down on the block unit, an actuator being park... | 10/25/2005 |
| 6917497 | Disk drive actuator arm latch assembly An actuator arm latch assembly for a disk drive is disclosed which restrains movement of a disk drive actuator arm assembly during exposure of the disk drive to a shock event. In one embodiment, the actuator arm latch assembly is activated by the disk drive being ex... | 07/12/2005 |
| 6917496 | 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 circumferential groove in the spacer ring. A complementary protrusio... | 07/12/2005 |
| 6906896 | Latch mechanism for hard disk driving device A latch mechanism for a hard disk driving device with an enhanced reliability suitable for portable computer HDDs is provided by improving the latch mechanism as a stopper means for preventing unprepared movement of a magnetic head due to external forces such as vib... | 06/14/2005 |
| 6801403 | Disk apparatus having inertia latch A disk apparatus includes a disk in which information is recorded, a carriage arm having a head slider provided at a tip thereof, the head slider moving over the disk during a read/write operation and being placed at an evacuated position outside an area of the disk... | 10/05/2004 |
| 6757139 | Information recording apparatus with inertia arm and swing regulating mechanism In a state wherein an actuator is located at a shunt position, when an apparatus is subjected to an external shock, the actuator tries to swing due to a rotational moment. An inertia arm generates a rotational moment simultaneously with the actuator. Both the rotati... | 06/29/2004 |
| 6735053 | Disk drive system with internal arm for preventing shock To provide a disk drive system provided with an inertial latching mechanism which has high reliability and can be arranged in a thin-model disk drive system. There is provided an inertial arm (7) engaging an actuator (22) when a head arm (25) is... | 05/11/2004 |
| 6731468 | Pawl latch for ramp loading hard disk drivers A latch for securing an actuator arm of a hard disk drive. The latch has a catch portion that can engage a latch portion of the actuator arm. The latch also has a pusher portion and a crash stop portion that engage the actuator arm during movement into a latched pos... | 05/04/2004 |
| 6731469 | Integral inertial latch design The present invention includes a disc drive including an integral inertial latch comprised of a single material having a fixed pivot, an inertial mass and at least one spring. The at least one spring attaches the inertial mass to the fixed pivot. In one embodiment t... | 05/04/2004 |
| 6728075 | Actuator latch for hard disk drive In an actuator latch used with a hard disk drive to lock an actuator in a non-pivoting position when a magnetic head installed at the actuator is positioned in a parking zone of a hard disk, the actuator latch includes a hooked portion provided at one side of the ac... | 04/27/2004 |
| 6710980 | Disk drive comprising an inertial actuator latch with strip-spring biasing A disk drive comprises a disk, an actuator arm, a head attached to the actuator arm, a voice coil motor, a parking latch for latching the actuator arm in a latched position in order to park the head during a non-operating mode, a post, and an inertial latch for main... | 03/23/2004 |
| 6680822 | Bi-stable inertial latch for hard disk drives A disk drive includes a stop, a head stack assembly and a latch having a latch arm that is movable between a closed position and an open position. The latch includes a first retainer that urges the latch arm toward the open position, and a second retainer... | 01/20/2004 |
| 6624980 | Disk drive comprising a support member for supporting a flex circuit and having a restraining member for vertically restraining an inertial latch A disk drive is disclosed comprising a disk, an actuator arm, a head attached to the actuator arm, a voice coil motor, a parking latch for latching the actuator arm in a latched position in order to park the head during a non-operating mode, and a flex ci... | 09/23/2003 |
| 6542336 | Inertial latch for head protection in a linear head actuator removable data storage drive An inertial latch for a linear actuator disk drive includes a carriage assembly carrying read/write heads linearly into and out of engagement with a recording medium. An arm rotating about a pivot has one end which engages the latch, and a counterweight o... | 04/01/2003 |
| 6535359 | Inertial latch for mobile and small disc drives An inertial latch that reduces the likelihood of damage due to secondary bouncing of the latch off of the actuator. An information system including a disc drive having a inertial lock including a latch and a latch receiver. The latch receiver located on t... | 03/18/2003 |
