Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7353524 | Disk drive with airflow channeling enclosure A disk drive includes a disk drive base, a disk, and a head stack assembly rotatably coupled to the base adjacent the disk surface of the disk. The disk drive includes an airflow channeling enclosure. The enclosure includes an airflow inlet disposed downstream of th... | 04/01/2008 |
| 7215507 | Flow modification for reducing track misregistration in hard disk drives Systems and apparatus are described for modifying fluid flow in a hard disk drive system to reduce cross-track motion. The systems and methods provide advantages because they include at least one flow modification element. In some embodiments, the flow modification ... | 05/08/2007 |
| 7024674 | Disc player improvements A disc player that incorporates a single piece disc enclosure and a chassis section is described. The incorporation of the disc enclosure and the chassis section into a single piece eliminates the requirement for a separate damping system. As well as reducing the co... | 04/04/2006 |
| 6931648 | Method and apparatus for preventing damage due to media faults in discs spinning at high speeds A system that prevents fragments of a disc from escaping from a drive. According to one embodiment of the present invention, the system comprises a drive and a fragment barricade affixed within the drive. The fragment barricade is positioned within the drive so as t... | 08/16/2005 |
| 6930857 | Continuous separator plate for use with a disk drive Disclosed is a continuous separator plate for use with a disk drive. The continuous separator plate includes a substantially circular continuous outer circumference and a substantially circular continuous inner circumference. A continuous radial portion may be defin... | 08/16/2005 |
| 6922308 | Disk drive comprising a cover shaped to improve radial and axial shrouding A disk drive with improved shrouding is disclosed. The disk drive comprises a disk, a spindle motor for rotating the disk, a head, an actuator arm for actuating the head radially over the disk, a base, and a cover attached to the base to form a head disk assembly ch... | 07/26/2005 |
| 6717768 | Airflow damper for reducing airborne noise and vibration in an information storage device An airflow damper is affixed to a top interior wall of a hard disk assembly, so that a specified gap distance between the airflow damper and an upper disk within the hard disk assembly is realized. The gap distance is determined as a function of velocity of the driv... | 04/06/2004 |
| 5995482 | Disk supporting device capable of holding a disk in a cartridge with a releasable, pivotable lever arm A disk supporting device has a spacer member which is placed close to the rim of a disk stored within a cartridge, and gently holds the rim of disk while the apparatus is put out of use; and a spacer releasing mechanism which, when the apparatus is put to... | 11/30/1999 |
| 5293287 | Apparatus and methods for backside stabilization of flexible optical media in information storage system Methods and apparatus for providing Bernoulli stabilization to flexible media in an information storage system, are shown to include a stabilizer having a body on which a first surface is formed of a contour sufficient to provide Bernoulli stabilization t... | 03/08/1994 |
| 5111446 | Disk cartridge and disk drive A disk cartridge and drive assembly including a disk cartridge having a case assembly rotatively accommodating therein a disk including a metallic center hub having a center hole therethrough, the case assembly being formed by an upper case without a cent... | 05/05/1992 |
| 4736263 | Method and apparatus for driving a disk In a disk unit having a rotating mechanism to rotate the disk by pinching the disk at both sides, and a loading mechanism to bring a read-write head into contact with the disk, a method for driving the disk includes the steps in which, at the time of reco... | 04/05/1988 |
| 4733314 | Disc unit including automatic ejection upon misinsertion detection A disc unit in which a disc which is inserted into the data storage disc unit in a wrong direction or upside down is automatically discharged from the disc unit. Such a wrong insertion of the disc is detected in response to an index signal generated every... | 03/22/1988 |
| 4724962 | Disk jacket A disc jacket, especially for a photo-magnetic disk which records, reproduces and erases information, has a single opening configured to receive both a recording head and a central spindle. The opening extends along the whole radius of the disk to enable ... | 02/16/1988 |
| 4710831 | Loading and unloading system for flexible disc drive apparatus A recording and/or reproducing apparatus using a disc-shaped flexible record-bearing medium such as a disc-shaped flexible magnetic sheet, which includes a loading device for placing the medium at a predetermined position for signal recording and/or repro... | 12/01/1987 |
| 4705279 | Device for clamping a flexible disk A collet device for engagement with a spindle hub for clamping a flexible disk between the collet device and the hub, the collet device having a collet having a plurality of radially extending petal-like portions therearound, a collet shaft on which the c... | 11/10/1987 |
| 4675762 | Disk loading and clamping mechanism for a data transfer apparatus A data storage apparatus includes a housing having an entrance slot for the insertion and withdrawal of a record medium, such as a flexible magnetic disk cartridge, to and away from a data transfer position within the housing. A disk clamp mechanism inclu... | 06/23/1987 |
| 4661875 | Information storage disc assembly An information storage disc assembly comprises at least one flexible information storage disc having a recording layer on one surface thereof, at least one rigid rotary support plate fixed coaxially to the information storage disc and having a diameter ap... | 04/28/1987 |
| 4649444 | Disk support device having deformation limiting member A disk support device for supporting a disk having a central hub, a central support hole and a rotatable drive shaft, a turntable fixedly mounted on the rotatable drive shaft and having a hole for supporting the disk on one surface thereof with the rotata... | 03/10/1987 |
| 4649445 | Floating collet suspension for floppy disk drives A collet for clamping recording media to the spindle of a floppy disk drive has a ball joint-type suspension, such as may be provided by having the collet ride on a hemispherical bearing, whereby the center of action of the media clamping forces supplied ... | 03/10/1987 |
| 4646193 | Disk cartridge assembly A disk cartridge assembly includes a rotatable magnetic disk enclosed within a rectangular cartridge. Attached to the top and bottom covers of the cartridge are a plurality of leaf springs which urge the top and bottom sections toward and against one anot... | 02/24/1987 |
| 4642717 | Mechanism for lifting and lowering magnetic head in magnetic recording and reproducing device A mechanism for lifting and lowering a magnetic head into and out of contact with a magnetic medium such as a magnetic sheet includes at least one guide shaft rotatably supported on a frame and having an eccentric portion. A magnetic head carriage support... | 02/10/1987 |
| 4613968 | Disk drive mechanism A disk drive mechanism includes a spindle mounted on a motor-driven shaft and including an annular wall having a support surface, a flexible hub mounted on the motor-driven shaft and composed of a plurality of segments including a radially outward flange,... | 09/23/1986 |
| 4583213 | Air shroud for data storage disks An air shroud is disclosed for reducing vibration of the disk storage medium and controlling contamination in the environment above the disk in an optical disk data recording system. The shroud is placed over the rotating disk and pressurized air is force... | 04/15/1986 |
| 4581668 | Disk contour cover having air filtration section In a rotating disc information storage system, a cover is designed to induct laminary airflow at the disc surface and to reduce the impurity level of the disc atmosphere. The laminar airflow results from the shape of the cover which closely conforms to th... | 04/08/1986 |
| 4578726 | Head arm mounting device for one or more scanning heads in recording playback apparatus for disk records A head arm mounting device for one or more scanning heads in recording/playback apparatus for disk records, especially flexible magnetic disks, includes a pivot shaft for the head arm, this shaft being held in a mount, with the aid of spring means, in a m... | 03/25/1986 |
| 4539611 | Drive motor for shallow disk drive assembly A driving motor of low profile construction for use in a disk drive assembly or unit having shallow or low profile construction. The chassis has an integrally molded motor housing which is circular. A stator is received in the upper part of the integral m... | 09/03/1985 |
| 4539612 | Spindle bearing assembly for disk drive unit A disk drive assembly having a shallow or low profile construction. The assembly includes a drive spindle and drive cone for the diskette. The drive cone is mounted directly from a part of the frame or chassis of the assembly. The drive spindle is cylindr... | 09/03/1985 |
| 4530082 | Optical disc write/read employing passive focus maintenance The quality of spot-focus of optical writing and reading light upon the information surface of a flexible optical disc is passively enhanced by (1) rotating the disc with its neutral plane stabilized in space and (2) directing such light through the optic... | 07/16/1985 |
| 4509160 | Disc drive assembly A disc drive assembly in which an air bearing supports the drive spindle in a manner centering the drive spindle to provide extremely close track spacing and a transducer assembly characterized by an air bearing therebeneath and a suction serving to draw ... | 04/02/1985 |
| 4507774 | Optical disc and disc-turntable air flow interface assembly Optical disc write/read apparatus and systems of the type having a flexible record disc and turntable which interface in a manner forming a generally enclosed space between record portions of the disc and opposing turntable portions is provided with inner... | 03/26/1985 |
| 4492996 | Rotary recording medium reproducing apparatus A rotary recording medium reproducing apparatus reproduces a rotary recording medium accommodated within a case. The case comprises a jacket provided with a space for accommodating the rotary recording medium and an opening for allowing the rotary recordi... | 01/08/1985 |
| 4479210 | Record-disc player For loading a record disc on the turntable of a record-disc player, a loading device is provided which comprises a movable loading support for supporting a holder containing a record disc. The loading support is slidably supported between two fixed, paral... | 10/23/1984 |
| 4445156 | Floppy disc drive unit An operating lever is pivotally mounted on a floppy disc drive intermediate its ends, and has its one end exposed externally of the unit to serve as an operating handle while its other end is connected to a link. The link is connected to a motion mechanis... | 04/24/1984 |
| 4420830 | Disc mounting and centering device A disc mounting and centering device, for use in a disc file employing removable, flexible rotary discs comprises guides 52 for locating a disc 40 such that a central and circular locating hole 48 in the disc 40 is approximately parallel planar and coaxia... | 12/13/1983 |
| 4413294 | Mechanism for controlling the displacement of a positioner cone relative to a floppy disc A positioning system for floppy disc recording media utilizes a tapered positioner cone mounted on a gimballed structure at the free end of a pivotable support assembly. Straight line, non-tilted entry of the cone into the disc aperture is provided in com... | 11/01/1983 |
| 4408318 | Magnetic sheet mounting device This specification discloses a leaf member pressing device used for a floppy disc or the like as an external memory device used in an information processing apparatus or the like. The damage of the disc which is liable to take place when a leaf member is ... | 10/04/1983 |
| 4403319 | Device for centering and clamping a flexible foil A centering and clamping device for a flexible foil includes an expanding cone which expands an expanding mandril via at least one resilient element, the force that can be transmitted to the expanding mandril by the resilient element at the location of th... | 09/06/1983 |
| 4376960 | Flexible disk stabilizing structure A magnetic recording device for non-contact recording on a flexible disk employs a Bernoulli plate to stabilize the rotating disk. The plate is slightly concave and has a number of small orifices therein through which air is drawn by the disk rotation to ... | 03/15/1983 |
| 4358843 | Spindle for centering a data disk A spindle construction for centering a disk hub in which the spindle includes a circumferential slot extending in the direction of the rotation axis of the shaft. The slot defines one or more fingers which compress inwardly when a hub is placed over the s... | 11/09/1982 |
| 4358802 | Fluid cushion turntable for video disc player A player for video discs includes an improved rotating turntable to provide a fluid cushion bearing to support a thin, flexible video disc. The turntable includes apertures which direct an air flow between the disc and the turntable surface and the flow o... | 11/09/1982 |
