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Class 360/255.2 - Moving lifter


Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter wherein a lifter is moved to produce or
No. of patents: 58
Last issue date: 04/29/2008


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NumberTitleIssue Date
7365946Recorder/reproducer
A recording/reproducing apparatus includes a cartridge holder which is rotatably provided on a chassis, into which a disc cartridge enclosing a magneto-optical disc is inserted, and which holds the inserted disc cartridge, an optical pickup that irradiates laser lig...
04/29/2008
7356908Method of assembling a disk drive unit via a ramp tool
A disk drive unit includes a first cover having a first part of magnet component and a head stack assembly mounted on the first cover; and a second cover assembled with the first cover, which having a second part of magnet component, a spindle motor and at least one...
04/15/2008
7196512Magnetic head tester
The magnetic head tester of the present invention drives a medium for rotation to float a slider from the medium so as to test a magnetic head for its characteristics, and the tester includes a holder removably holding the slider opposed to the surface of the medium...
03/27/2007
7193819Method 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 suspension connected to the distal end of the actuator arm. A multi-le...
03/20/2007
7159299Spring assisted head stack assembly comb
A head stack assembly comb (154) for maintaining the heads (44) of a head stack assembly (26) in spaced relation is disclosed. The head stack assembly comb (154) includes a comb body (158) and a latch (218). The comb body (
01/09/2007
7141969X-Y spinstand platform with flexure-coupled platen
An XY platen positioning system includes a fixed base rigidly coupled to a essentially planar surface. An XY intermediate plate is slidably coupled to the fixed base, such that the XY intermediate plate is slidable in the X axis along the fixed base. An XY stage is ...
11/28/2006
7106663Disk recording/reproducing apparatus provided with magnet head ascending/descending mechanism
The disk recording/reproducing apparatus of the present invention has a magnetic head which ascends or descends between a descent position proximate to a disk recording medium housed in a cartridge and an ascent position which is separate from the medium, an ascendi...
09/12/2006
7089573Information recording/reading apparatus
An information recording and/or reading apparatus has a base plate, a spindle motor for rotating a disk by the output shaft perpendicular to the base plate, a rotary alignment control device for determining the rotation position of a recording/reading head of a head...
08/08/2006
6958891Actuator 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
6941642Head stack load comb for controlled head loading
Disclosed is a head stack load comb used in the controlled loading of a head of a head stack assembly (HSA) onto a disk during the assembly of a disk drive. The HSA includes an actuator arm, a head, and a loading surface. The load comb includes a base structure and ...
09/13/2005
6934098Data card with a full circular track for alignment and amplitude calibration
This invention discloses a flat data storage medium that includes a plurality of substantially parallel data arc-segments. The data arcs further include at least one full circle data track provided for obtaining a measurement of an average amplitude of data signals ...
08/23/2005
6865060Disk drive device having a lifting plate configured to lift a magnetic head supporting member
A disc drive device for driving a disc accommodated in a cartridge comprises: a magnetic head; a magnetic head supporting member for supporting the magnetic head to contact the disc and to be separated from the disc; a lifting plate configured to lift the magnetic h...
03/08/2005
6407881Disk apparatus having a shock absorbing member for a read/write head
A disk apparatus includes a disk loading device which loads a disk from an insert/eject position to a read/write position, the disk having a first surface and a second surface. A head device records information to and/or reproduces information from the di...
06/18/2002
6359756Disk drive having a system for protecting the read/write heads
An improved disk drive includes an improved operating system, an improved eject system, an improved head retract system and an improved motor loading system. In a preferred embodiment of the operating system it includes a motor, an eject crank, a head cra...
03/19/2002
6353516Disk apparatus having magnetic head lifting device
A disk drive adapted to accept and eject a disk cartridge accommodating a disk includes a carriage movable in a radial direction of the disk, a magnetic head assembly mounted on the carriage and having a magnetic head, and a cartridge ejecting mechanism f...
03/05/2002
6212045Method and apparatus for loading a magnetic head onto a magnetic disk
A spinstand head-loading mechanism of a magnetic tester includes a protector bar and a lift arm which control the loading and unloading operations of a magnetic head, as part of a head-gimbal assembly, with respect to a magnetic disk. A series of actuator...
04/03/2001
6088203Three position magnetic head vertical movement device
A magnetic head vertical movement device for a magnetic-optical recording and/or reproducing apparatus for use with a disk cartridge, within which a magneto-optical disc is accommodated. The device includes a vertical movement drive mechanism for a magnet...
07/11/2000
6078468Data storage and/or retrieval methods and apparatuses and components thereof
A disk drive system and method employs sheet lift effect to suspend a data storage disk during high speed rotation. The system includes a data storage disk composed, at least partially, of an electrically conductive, nonmagnetic material and having at lea...
06/20/2000
6072666Head retraction system for retracting the heads of a disk drive
An improved disk drive includes an improved operating system, an improved eject system, an improved head retract system and an improved motor loading system. In a preferred embodiment of the operating system it includes a motor, an eject crank, a head cra...
06/06/2000
5926347Magnetic disk drive provided with means for pressing head against disk
A magnetic disk apparatus includes a magnetic disk accommodated for rotation in a housing, a spindle mechanism for driving the magnetic disk to rotate, a magnetic head for writing and reading out information onto and from the magnetic disk, a suspension f...
07/20/1999
5859750Magnetic recording-and-reproducing apparatus
A lower magnetic head is attached to a carriage and a head support member supporting an upper magnetic head is hinged to the carriage. The head support member is provided on its lower surface in a continuous arrangement with a first flat portion, an incli...
01/12/1999
5828512Information processing apparatus having a floating-type head
An information reproducing apparatus which has a rotative driver for rotating a disc-shaped recording medium, a floating-type head for reproducing information recorded in the recording medium while floating above the disc-shaped recording medium that is b...
10/27/1998
5590095Magneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic head
Disclosed is magnetoptical disc apparatus for recording information in magnetoptical recording medium using a floating type magnetic head. The apparatus includes a floating type magnetic head for applying a modulated magnetic field to the medium, a leaf s...
12/31/1996
5508857Magnetic head loading/unloading apparatus maintaining a magnetic head at predetermined positions by permanent magnets
A magnetic head loading/unloading apparatus has a head arm being maintained in either a loading state or an unloaded state by means of a permanent magnet. The head arm has a magnetic head on one end thereof, and is fixed on an end of a first yoke. A secon...
04/16/1996
5471439Magnetic head device with slidable and adjustable magnetic head
A magneto-optical recording and reproducing apparatus for recording a recording data on a magneto-optical disk through magnetic field modulation is provided with a magnetic head device for applying a recording magnetic field corresponding to a recording s...
11/28/1995
5463514Disc drive slider lifter using shape memory metals
A slider lifter for a disc drive is disclosed which utilizes a shape memory element to lift a slider away from the surface of a disc. The slider is supported adjacent the surface of the disc by a flexure which has a lifting wire attached thereto. The lift...
10/31/1995
5323284Magnetic transducer receiver for a disk drive
A receiver assembly is provided for releasably mounting a head/arm assembly to a movable arm of a disc drive. The head/arm assembly has a rigid arm having at least two mutually exclusive predetermined defined edges and a flex arm mounted to the rigid arm ...
06/21/1994
5274519Magnetic recording apparatus with air vane actuated regulating member for head slider
A magnetic recording apparatus includes an arm, an airvane, a regulating member, and an urging member. The arm has a head slider including a magnetic head at a free end thereof, and is moved by an actuator device between a scan position and a stop positio...
12/28/1993
5223999Record holder for a magneto-optical recording device with a retractable magnetic head
A holding device for holding a record (CD) in a magneto-optical recording/playback device includes a first wheel (R1) pressing against one side of the record. A first pivotable arm (AR1) supports a second wheel (R2), motion of the first arm moves the seco...
06/29/1993
5142424Floatable information-reading head support configured to prevent forward pitch
An information-reading head having a structure comprising a floatable information-reading head, and a suspension comprising a load arm for supporting the information-reading head via a gimbal. The gimbal having a frame structure in a reversed trapezoidal ...
08/25/1992
5122998Magneto-optical recording and reproducing apparatus having magnetic head vertically moving support
A magneto-optical recording and/or reproducing apparatus includes an optical head for providing a light spot for recording, reproducing and erasing of a magneto-optical disc, a magnetic head which is disposed at a position opposing the optical head with t...
06/16/1992
4996618Magnetic disk apparatus having additional carriage adapted to prevent adsorption of magnetic head
A magnetic disk apparatus comprises a magnetic disk for recording information thereon; a power supply; an electric motor for rotating the magnetic disk by means of electric power which is supplied from the power supply; a floating type magnetic head for r...
02/26/1991
4956733Storage media transducer loading/unloading and carriage lock mechanism
In a magnetic disk storage system incorporated in a removable, portable module for use in a microcomputer system, a hinged separator element having a plurality of angled surfaces is movable between first and second positions. In the first position, the di...
09/11/1990
4884261Storage media transducer loading/unloading and carriage lock mechanism
In a magnetic disk storage system, a hinged separator element having a plurality of angled surfaces is movable between first and second positions. In the first position, the disk storage system is in an operational state with magnetic transducers loaded o...
11/28/1989
4839756Apparatus for read/write head loading and unloading in a data recording disk file
An apparatus for loading and unloading air-bearing sliders relative to their respective disk surfaces in a data recording disk file includes an elongated rod mounted on the disk file actuator arm for flexing the suspensions and attached sliders away from ...
06/13/1989
4839757Manual head loading mechanism for flexible disk drive
A flexible disk drive includes a reset lever which holds an upper head in an upper or open position in an unloaded condition of a magnetic head and, interlocked with a closing motion of a door, moves downward together with the upper head, and a head load ...
06/13/1989
4742409Magnetic disc unit
A magnetic disc unit comprising motor means having a spindle rotatably mounted on a base for rotating a magnetic recording medium, a loading arm having one end swingably attached to the base and a center cone rotatably attached to the other end of the loa...
05/03/1988
4740852Disk presser mechanism for use in magnetic recording and reproducing apparatus
A disk presser mechanism in a magnetic recording and reproducing apparatus includes a rotatable turntable, a clamp member for clamping a disk on the turntable, a clamp arm supporting the clamp member and movable toward and away from the turntable, a drive...
04/26/1988
4684913Slider lifter
A slider lifter including a support structure, a flexure arm and a resilient means cantilevered from the support structure, and a shape memory alloy element operatively connected between the support structure and the resilient means, wherein the shape mem...
08/04/1987
4683506Disc drive arrangement for a hard disc cartridge with a read/write head retract mechanism
A disc drive arrangement 10 for accessing information from and recording information onto a disc 25 retained in a cartridge 27 comprises a linkage 22 operatively connecting a door 18 to a head 26, 28 mounted on a carriage 24 for urging the head 26, 28 awa...
07/28/1987
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