Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7857250 | Recording tape cartridge and rotation locking structure A recording tape cartridge includes a reel, a case where the reel is accommodated, an engagement gear that is provided in the reel, and a brake gear which is provided in the case side brake member and in which a mesh state with the engagement gear or a mesh release ... | 12/28/2010 |
| 7841554 | Recording tape cartridge A recording tape cartridge can prevent release of rotation locking of a reel with respect to a case accompanying dropping of the recording tape cartridge. The tape recording cartridge is configured to rotatably accommodate within a case a reel that has magnetic tape... | 11/30/2010 |
| 7677488 | Recording tape cartridge A recording tape cartridge which includes a case, a reel including a hub accommodated in the case, a locking member supported to be non-rotatable relative to the case and disposed within the hub, and a switching member disposed in the case. The hub is provided with ... | 03/16/2010 |
| 7530516 | Structure to be grasped A structure to be grasped in which a member can be grasped by a pair of grasping portions having respective grasping recesses of the same shape. A clutch member has rotation-limiting ribs and seating ribs formed on and projecting from a clutch body, and each set of ... | 05/12/2009 |
| 7530518 | Recording tape cartridge Sliding resistance at a time when a locking member is moved between a locking position and an unlocking position with respect to a reel can be lessened, and deformation of a flange welded to a hub also can be suppressed. In a recording tape cartridge 10 in wh... | 05/12/2009 |
| 7530517 | Data storage tape cartridge brake assembly A data storage tape cartridge has a housing, at least one tape reel assembly rotatably disposed within the housing, a storage tape wound about a tape winding surface of the tape reel assembly, and a brake assembly. The brake assembly includes a brake plate and a bra... | 05/12/2009 |
| 7497397 | Cartridge case and information recording medium A cartridge case of an information recording medium includes a case main body where a guide part is disposed on an inner surface of a top plate, a tape reel that includes a hub in the shape of a bottomed-cylinder and is rotatably enclosed inside the case main body, ... | 03/03/2009 |
| 7481389 | Center reel lock storage device An apparatus for locking a rotatable portion of a storage device is provided. The apparatus comprises a component irrotatably engaged with the rotatable portion, the component having first teeth for engaging second teeth disposed on a surface irrotatable with respec... | 01/27/2009 |
| 7448569 | Cartridge case and information recording medium A cartridge case includes a case main body, a tape reel having a hub including a first teeth portion and accommodated in the case main body, and a lock member including a second teeth portion engaged with the first teeth portion, wherein the lock member includes at ... | 11/11/2008 |
| 7416148 | Recording tape cartridge Sliding resistance at a time when a locking member is moved between a locking position and an unlocking position with respect to a reel can be lessened, and it is possible to avoid bringing about trouble with a drive device or the like. In a recording tape cartridge... | 08/26/2008 |
| 7410112 | Single-reel type tape cartridge, and tape drive In a single-reel type tape cartridge, a floating-lock structure comprising lock pieces and a lock spring for locking and biasing the lock pieces is provided between an upper surface of a tape reel and an upper case. On each of the lock piece are provided a restricti... | 08/12/2008 |
| 7407126 | Recording tape cartridge A recording tape cartridge with a reel in a case, a hollow cylinder shaped hub and a recording tape wound around the hub has a braking member provided so as to be unrotatable within the case. The braking member can be set at a locking position, at which the braking ... | 08/05/2008 |
| 7404528 | Recording tape cartridge A recording tape cartridge includes: a case accommodating a reel on which a recording tape is wound; a brake member provided non-rotatably with respect to the case; a lock member provided in a mounting portion on the inner surface of a top plate of the case to be sl... | 07/29/2008 |
| 7360733 | Magnetic tape cartridge A magnetic tape cartridge has a case including a datum hole into which a positioning pin is inserted at a predetermined position thereof; a reel rotatably supported on the case with a magnetic tape wound thereon and including an engaging gear formed in the outer per... | 04/22/2008 |
| 7360734 | Recording tape cartridge and plate spring A tape cartridge which, in a state in which a reel cannot rotate, restricts movement of a braking member and restricts movement of the reel. In a state in which engaging walls of locking members are engaged with a top edge portion of a reel hub, step portions and th... | 04/22/2008 |
| 7360291 | Method of manufacturing a recording tape cartridge A recording tape cartridge including: a reel, and gear teeth are provided at an inner side of a floor portion of a reel hub on which a recording tape is wound; a case which accommodates the reel, and an engaging projection is formed at a surface of the case opposing... | 04/22/2008 |
| 7350731 | Recording tape cartridge In a recording tape cartridge, a reel locking member, which is positioned at a rotation locking position meshes with an engaging gear which is in a form of internal teeth and which is at a reel, such that rotation of the reel with respect to a case is impeded. When ... | 04/01/2008 |
| 7343611 | Disc cartridge having disc taking-out history detecting portion A disc cartridge including a disc medium which is loaded into a drive device and into/from which information can be recorded/reproduced; a case that houses the disc medium rotatably; a disc opening from which the disc medium provided into the case can be taken out; ... | 03/11/2008 |
| 7322540 | Recording tape cartridge In a recording tape cartridge, a compression coil spring urges a reel downward via a brake member. Due to the biasing force of the spring, a gear of the brake member securely meshes with a gear inside a reel hub preventing the reel's inadvertent rotation. The biasin... | 01/29/2008 |
| 7309040 | Magnetic tape cartridge There is provided a magnetic tape cartridge, including a cartridge (1) composed of a top cartridge (2) and a bottom cartridge (3), a reel (5) rotatably disposed in the cartridge (1), and a magnetic tape (4) wound onto the re... | 12/18/2007 |
| 7290734 | Tape reel and information recording medium A tape reel includes: a hub in the shape of a bottomed-cylinder with a disc-like lower flange integrally formed at a lower end thereof and an opening formed at an upper end thereof; and an upper flange that is disc-like, has a center hole formed therein, and has a r... | 11/06/2007 |
| 7284723 | Recording tape cartridge In a recording tape cartridge, a reel has a reel hub around which a magnetic tape is wound. An annular reel gear is formed at an outer surface of a bottom portion of the reel hub. Rotation of the reel is impeded by a braking member engaging with an engaging gear for... | 10/23/2007 |
| 7275297 | Device for attaching leader pin, device for processing end portion of tape type recording medium, and method for attaching leader pin A leader pin attaching device for attaching a leader pin to a pin attachment portion of the leader tape (a device for processing end portion of tape type recording medium) is provided. The device includes a transport suction block for holding a portion of the leader... | 10/02/2007 |
| 7261249 | Tape cartridge A recording tape cartridge which, with a structure having good produceability, can prevent wear of regions of abutment of a braking member and a releasing member at a time when a reel rotates. In the recording tape cartridge, when the braking member is positioned at... | 08/28/2007 |
| 7246765 | Recording tape cartridge In a recording tape cartridge, a reel, at which a magnetic tape is wound around a cylindrical tube portion of a reel hub provided at an axially central portion of the reel, is accommodated within a case so as to be movable in an axial direction between a ceiling pla... | 07/24/2007 |
| 7237740 | Recording tape cartridge The present invention provides a recording tape cartridge including an engagement portion formed on a hub of a reel; a brake member provided movable along an axial-direction, regulating reel rotation by engaging with the engaging portion and releasing the engagement... | 07/03/2007 |
| 7234662 | Recording tape cartridge A recording-tape cartridge including a case accommodating a reel; a mounting portion formed at the case, at which guide-wall portions and locking members capable of positioning at vertical-movement-locking-position and vertical-movement-allowing-position are provide... | 06/26/2007 |
| 7227722 | Recording tape cartridge with reel lock member The recording tape cartridge includes a case body formed by joining together an upper half and a lower half and a tape reel around which a recording tape is wound. The cartridge further includes a lid covering a front side of the case body, and a reel lock member wh... | 06/05/2007 |
| 7204444 | Media cartridge having reel suspension system and method of manufacture In one example of one aspect of the invention, a data storage cartridge is provided. The data storage cartridge includes a housing having at least one opening, a reel rotatably disposed within the housing and accessible through the opening, the reel capable of trans... | 04/17/2007 |
| 7191970 | Magnetic tape cartridge The present invention aims to provide a magnetic tape cartridge capable of improving operational precision and efficiency in the process of mounting a release part for unlocking a reel. A magnetic tape cartridge having a release button (part) for unlocking a ... | 03/20/2007 |
| 7175123 | Recording tape cartridge In a recording tape cartridge, a braking member positioned at a restricting position within a reel hub in a state of abutting an inner surface of a floor plate of a case when the recording tape cartridge is not in use, is held at the restricting position by a top en... | 02/13/2007 |
| 7168649 | Recording tape cartridge A tape cartridge with a reel incorporated therein in which drawing-out and rewinding of the tape and proper positioning of the reel along a height thereof can be carried out reliably. The cartridge is insertable at a tape drive, which has a rotating member that is i... | 01/30/2007 |
| 7167337 | Magnetic recording and reproducing apparatus including an idler mounted on a main chassis A magnetic recording and reproduction apparatus includes a sub chassis unit on which a cassette is mountable and having first and second reel stands respectively engageable with first reel and second reels of the cassette; a main chassis unit combined with the sub c... | 01/23/2007 |
| 7133256 | Recording medium cartridge having a cam actuated cover member A recording medium cartridge including a case with two main surfaces which are disposed substantially parallel to each other and side surfaces which connect the main surfaces. An opening is provided on one of the side surfaces which is disposed toward a direction in... | 11/07/2006 |
| 7131607 | Recording tape cartridge A metal plate of a recording tape cartridge is provided with a tapered portion at an outer circumference thereof. In a state in which the metal plate is attached at a fixed-side mold plate of a metal mold for molding a reel hub and a lower flange, a gap is formed be... | 11/07/2006 |
| 7128288 | Magnetic tape cartridge A magnetic tape cartridge has a case including a datum hole into which a positioning pin is inserted at a predetermined position thereof; a reel rotatably supported on the case with a magnetic tape wound thereon and including an engaging gear formed in the outer per... | 10/31/2006 |
| 7124973 | Drive device A drive device to which a recording tape cartridge is loaded, and which can record information in a recording tape and playback information recorded in the recording tape, the drive device includes: a rotating shaft having a drive gear which meshes with the reel gea... | 10/24/2006 |
| 7126786 | Motor/encoder assembly for tape drives A magnetic/encoder assembly has a compact design and combines the features of motor, encoder and chuck locating feature within a single motor housing. The motor/encoder includes a DC brushless motor with an inner magnetic rotor. The motor windings and the commutatio... | 10/24/2006 |
| 7108215 | Magnetic tape cartridge A magnetic tape cartridge which includes a single tape reel on which magnetic tape is wound on the outer peripheral surface of a reel hub thereof, rotatably housed in the inside of a cartridge case; and a reel lock member for inhibiting the rotation of the tape reel... | 09/19/2006 |
| 7104486 | Recording tape cartridge A recording tape cartridge has a reel at whose axially central portion is provided a reel hub which is shaped as a cylindrical tube having a bottom and around whose outer peripheral surface a recording tape is wound; an engaging gear provided within the reel hub; a ... | 09/12/2006 |
