Abstract: An optical disk player with improved opening and closing of a door, transport of a tray, and an improved pivoting structure of a chassis to pivot a turntable. The optical disk player includes: a body; a tray to move in and out of the body so as to transport an optical disk; a chassis installed to pivot inside the body; an optical pickup, which is installed to be able to move back and forth in the chassis, to record/reproduce information onto/from the optical disk that is rotatably placed on the turntable; a cover installed on a front of the body, the cover including: a door holder with an aperture through which the tray moves; a door to be able to slide along the door holder so as to open and close the aperture; and a cam driving device to activate the tray, to pivot the chassis, and to open and close the door by sliding.

Abstract: An optical disc drive is suitable to read data of an optical disc. The optical disc drive includes a housing, a turntable and an ejecting mechanism. The turntable has a chuck claw holds at an opening of the optical disc. The ejecting mechanism includes a button, a reposition assembly and at least an ejecting assembly. The button is configured at the turntable and has an operating portion and a connecting portion. The reposition assembly is adjacent to the button and provides the button with a return force along a first direction. Moreover, the ejecting assembly has a first portion connected to the connecting portion, a second portion connected to the turntable and a third portion protruding out the turntable. When the operating portion is forced and moves along a second direction, the connecting portion drives the third portion to move along the first direction and push the optical disc.

Abstract: The present invention aims at providing a pickup unit that can freely select the mounting position of an adjusting screw for making tilt adjustment and facilitates the miniaturization and thinning. An energizing force in the tracking direction at the end of main guide is received by an adjusting plate, and the adjusting plate is apart from the unit substrate by fixing its one end to a unit substrate and bringing its other end into contact with a main guide, and providing a flexible part near the one end and a through-hole near the other end in an intermediate section.

Abstract: A disk drive including a lower case, a tray to be attached and detached to and from the lower case while sliding in the lower case and having a turntable on which a disk is seated, and an upper case installed to cover an upper portion of the lower case. The upper case has at least one deviation-prevention element extending toward the lower case to prevent the disk from deviating from the turntable by an external force on the disk drive by reducing a distance between the upper case and the disk seated on the turntable.

Abstract: The invention relates to a guiding system (10, 10?) for guiding an object (3), for instance an optical read/write-unit (3) of an optical disc player, along a motor driven spindle (5). The guiding system (10, 10?) comprises engaging means (12) for engaging the spindle (5) and biasing means (15) for having the engaging means (12) engage the spindle (5) with a certain spindle force (Fspindle)- To improve, i.e. minimize loading of the spindle, the engaging means (12) and biasing means (15) are arranged in such way, that the spindle forces (Fspindle) exerted on the spindle (5) cancel each other out, so that their total sum, and preferably also the sum of the moments on said spindle (5) approaches zero. The invention furthermore relates to a module (1) for an optical disc player, provided with an optical read/write-unit (3), a drive system and a guiding system (10, 10?) according to the invention.

Abstract: To provide a disk drive having a mechanism to limit position of a tray while being transferred by a simple configuration, guiding parts each having a guide rib and a supporting portion are provided on at least one outer wall on the side facing inside the chassis, and a sliding part having a guide groove is provided on a sidewall of the tray corresponding to the guiding part. The guide rib of the guiding part is slidably fitted in the guide groove. A horizontal limiting-rib sliding face is formed on a connecting part connecting outer and inner walls of the chassis. The sliding part includes a position-limiting rib extending upward and downward from the leading edge of the tray sidewall with a guide groove formed between the position-limiting rib and the edge of the sidewall. The position-limiting rib is slidably held between the supporting portion and the limiting-rib sliding face.

Abstract: An optical disc drive with a positioning mechanism suitable for reading data from an optical disc is provided. The optical disc drive comprises a casing, a tray, a reading module and a rail. The tray is disposed inside the casing. The tray has a first positioning part and is suitable for withdrawing from the casing. The reading module is disposed on the tray and is suitable for reading data from an optical disc. The rail is disposed inside the casing and is suitable for withdrawing from the casing when driven by the tray. The rail has a second positioning part. When the tray is ejected from the casing, the location of the tray relative to the casing is maintained through the first positioning part and the second positioning part. Therefore, an optical disc can be put on the tray or removed from the tray with ease.

Abstract: A media player facing has a device housing with a drawer and a facade. The outer surface of the facade and the outer surface of the device housing are aligned so that the facade outer surface and the device housing outer surface are substantially continuous when the drawer is closed.

Abstract: An opposed interval between a pair of fore position regulating pieces forming a guide mechanism of the disk tray is made wider than the mutual interval between guide ways. The projecting width of the fore position regulating pieces is longer, its opposed interval being closer to the mutual interval between the guide ways. A front end portion of guide way is formed as an run-off guide way, the run-off guide way and the guide way being continuous on a nominal guide way. The open angle of the nominal guide way is decided in a range from 110° to 135°.

Abstract: An adjustment mechanism is used in an optical recording and/or reproducing apparatus for fixing the position of a tray. A slider moved along left-right direction in the optical recording and/or reproducing apparatus is corresponding the tray moved along front-back direction. The adjustment mechanism comprises a L-shaped chute located on the tray, and comprises a guide member and an arm located on the slider. When the tray get into the optical recording and/or reproducing apparatus, the guide member slides into the L-shaped chute. Then the arm contacts the outside surface of the L-shaped chute. Whereby, the tray be fixed on a suitable position.

Abstract: An optical disc drive includes: a tray to mount a cartridge including a disc and having a positioning hole; a chassis for supporting the tray to move in a first direction; a spindle motor; an optical head; a traverse base, which is supported on the chassis so as to rotate around an axis defined in a second direction near one end of the chassis in the first direction and which mounts the spindle motor and the optical head thereon, the second direction being parallel to the disc and perpendicular to the first direction; a traverse holder coupled to the traverse base; a positioning pin provided for the traverse holder and fitting in with the positioning hole, thereby positioning the cartridge; and an elevating portion for moving a portion of the traverse holder in a third direction perpendicularly to the disc.

Abstract: A tray for transporting a recording medium toward or away from a connector is provided with an auxiliary tray coupled thereto, and the auxiliary tray has a pusher for pressing the recording medium as placed on the tray against the connector. A chassis is provided with a pressure fitting mechanism for moving the auxiliary tray toward the connector, with the recording medium transported by the tray to a position opposed to the connector, and the pressure fitting mechanism causes the pusher to press the recording medium into the connector. The chassis is also provided with a guide mechanism for causing the auxiliary tray to escape downward from the path of movement of the tray, with no recording medium inserted in the tray.

Abstract: A disk device provided with a tray capable of suppressing an abrupt inclination of the tray and moving the tray in a stable condition is provided. When moving the tray 2 from a disk reproducing position to a disk loading/unloading position, the tray 2 becomes most unstable when a position of the center of gravity S of the tray 2 reaches a front wall 10C of a frame 10, but making an inclination relaxation rib 17 contact a top surface of the back end of a guide rail 13 at the position causes the tray 2 to move without abruptly inclining.

Abstract: In guide grooves formed at both side edges of a lower face of a tray and fitted to a pair of left and right guide members of a cabinet, the guide groove substantially in a U-like shape on one side is inserted with a front end portion of an elastic plate integrally projected at a front portion of the cabinet, a recess portion is formed at a portion of one side face of the guide groove 12 opposed to the elastic plate in a state of containing the tray into the cabinet, and formed such that by bringing the one side face of the guide groove 12 into elastic contact with the elastic plate opposed to the recess portion in moving the tray forward, other side face of the guide groove is brought into contact with reference guide faces of the guide member on one side to thereby prevent the tray from being inclined.

Abstract: A disk drive with a tray that can be smoothly taken in and out without a gear coming-off from a rack. The tray includes, on its back surface side, a cam wall and a gear escape-preventing wall in parallel to each other along the rack with a predetermined spacing therebetween, and a guide groove provided on a rear side of the tray and connected to the gear escape-preventing wall via an inclined portion formed on the cam wall. Provided on a font side of the tray are a transverse guide groove perpendicular to a disk conveyance track, a transverse guide wall defining the transverse guide groove, a corner wall connected to the cam wall, and a corner escape-preventing wall connected to the gear escape-preventing wall. First and second bosses are provided on a rack loading device, which interpose therebetween the cam wan and the gear escape-preventing wall.

Abstract: A disk unit includes a tray including a turntable to which a disk-like recording medium is attached, a tray guide mechanism supporting the tray so that the tray is movable between a disk-replacing position and a disk-loading position, and a cover formed to cover the disk-like recording medium when the tray is moved to the disk-loading position. The cover comprises a guide support part supporting the tray guide mechanism.

Abstract: A disk player includes: a housing; a motor disposed in the housing; a disk tray having a projecting piece at a rear end on each side edge thereof; and dislocation preventive pieces disposed at a front end side of the housing and projecting from the housing so as to respectively face the projecting pieces. An elastic plate and a stopper surface adapted to face a distal end of the elastic plate are formed on each of the projecting pieces and each of the dislocation preventive pieces or either on each of the projecting pieces or each of the dislocation preventive pieces. When the tray is moved forward, the elastic plate is brought into contact with the projecting piece or the dislocation preventive piece and is displaced elastically to thereby apply the brakes to stop the disk tray that is moving forward.

Abstract: A sliding mechanism for an optical compact disk drive includes right and left slide tracks respectively mounted at opposite sides of a tray of the optical compact disk drive. A plurality of bulbous contacts are formed on the right and left slide tracks respectively to fit with a plurality of retaining portions of a lower cover of the optical compact disk drive. By respectively having the bulbous contacts in point to point contact with the corresponding retaining portions, the tray smoothly moves in a stable manner between its outermost and innermost positions. A slide body of each slide track is provided with a hook, a protection piece and a fastening piece to hold the tray at its outermost or innermost positions. Thereby, the stability and effectiveness of the optical compact disk drive assembled with the sliding mechanism of the invention is increased.

Abstract: An optical disc drive apparatus includes a frame having a sidewall, and a disc tray supported by the frame. The frame has a supporting portion including a guide rib formed protruding from an inner wall surface of the sidewall and a plurality of guide protrusions formed protruding upward from the guide rib. The disc tray has a supported portion implemented by a guide groove slidably engaging to the plurality of guide protrusions. A guide protrusion positioned at the forefront among the plurality of guide protrusions is structured so as to come in surface-contact with a wall surface implementing the guide groove. With such a structure, an optical disc drive apparatus unlikely to be broken even if a force in a transversal direction is applied to the disc tray while the disc tray is at a disc-removable position can be obtained.

Abstract: A loading mechanism for moving a tray between the outside and the inside of a recording and reproduction apparatus is disclosed. The loading mechanism includes a groove part and a projecting part for guiding the tray. The groove part is provided to one of the tray and a holding member holding the tray. The projecting part is provided to the other one of the tray and the holding member so as to fit with the groove part with play being provided therebetween. The amount of the fitting of the groove part with the projecting part differs between first and second positions, the first position being more distant from the center part of a portion of the tray on which portion an information recording medium is placed than the second position.

Abstract: A disk apparatus includes a chassis fixed to an apparatus body, a drive unit being ascendable or descendable with respect to the chassis through a plurality of gears by driving a motor, a pickup unit provided with an optical pickup that is movable by driving the motor, a cam slider arranged on the chassis and being movable in a direction, and a plate trigger provided with an inclined cam groove and being movable in the direction through cam engagement with the pickup unit and causes the drive unit to ascend or descend through cam engagement with the cam slider. The plate trigger and the cam slider move integrally in mesh with the gears coupled with the motor respectively. The tip of the tooth of the gear to be in mesh with a triangular tooth formed in the plate trigger is made sharp.

Abstract: A tray guide mechanism for an optical disc drive guides a backward and forward movement of a tray installed to slide into and out of a housing made of a lower case and an upper case. The tray guide mechanism includes guide rails installed to slide into and out of both sides of the upper case, a guide rail supporting unit installed at both sides of the lower case, to prevent the guide rails from deviating from a backward and forward moving path, and rail combiners formed at both sides of the tray in a moving path of the tray, and combined with the guide rails to slide into the guide rails. The tray guide mechanism also includes a forward moving distance limiting unit to limit a moving distance of the tray and the guide rails in a direction to which the tray and the guide rails project to prevent the tray from detaching from the housing. The tray guide mechanism also includes vertical and horizontal restrainers to prevent vertical and horizontal movement of the tray.

Abstract: An anti-shock traverse structure includes a movable frame attached to a traverse. The movable frame has elastic plates extending therefrom. The elastic plates have respective upwardly bent sections to resiliently bias against a lower side of a tray.

Abstract: In a slim type optical disc drive, an optical pickup unit and an optical pickup transport assembly are installed on a main base disposed in a housing having a lower case and an upper case. A spindle motor is mounted on a tray so as to slide in and out of the housing. A spindle motor printed circuit board is mounted on the tray, and a main printed circuit board is fixed to the lower case. A flexible printed circuit connects the spindle motor and main printed circuits boards. The tray includes a table which supports the spindle motor, and side frame bars located at sides of the tray and spaced apart from the table. A pair of guide ribs are arranged in the housing to guide the movement of the table. In the slim type optical disc drive, only the spindle motor is disposed on the tray.

Abstract: The present invention discloses a shockproof mechanism for a disc drive. The disc drive includes a tray and a chassis. The tray has a track thereon, and the track includes a first end and a second end. A shaft is disposed on the chassis and engages with the track. When the tray is driven into the disc drive, the shaft moves from the first end to the second end. A block is disposed near the second end of the track for preventing the shaft escaping from the track through the second end.

Abstract: An optical disc driver includes a tray (20) and a driver housing (30). A locating cylinder (328) is formed at a rear of the driver housing. A through slot (329) is defined vertically in the middle of the locating cylinder, and divides the locating cylinder into two parts. A locating slot (228) is defined at a rear end of the tray, and an opening (229) is defined between a rear edge of the tray and the locating slot. The width of the opening is wider than that of the locating slot, and the opening broadens as it nears the rear edge of the tray, allowing the locating cylinder to be easily received and guided into the locating slot. This arrangement allows the tray to be firmly positioned in the driver housing.

Abstract: A holder pivotally supported on a chassis for supporting a cartridge which is provided with a shutter biased by a spring in a closing direction. A slide member mounted on the holder is reciprocatingly movable between a first position where an opening piece pushes the shutter open with the loading of the cartridge into the holder and a second position where the latch engages the cartridge after moving from the first position toward the cartridge loading direction. A release mechanism is disposed between the chassis and the holder for disengaging the latch from the cartridge when the cartridge is unloaded from the holder. The cartridge as disengaged and in contact with the opening piece is moved by the spring in the unloading direction.

Abstract: A loading mechanism for moving a tray between the outside and the inside of a recording and reproduction apparatus is disclosed. The loading mechanism includes a groove part and a projecting part for guiding the tray. The groove part is provided to one of the tray and a holding member holding the tray. The projecting part is provided to the other one of the tray and the holding member so as to fit with the groove part with play being provided therebetween. The amount of the fitting of the groove part with the projecting part differs between first and second positions, the first position being more distant from the center part of a portion of the tray on which portion an information recording medium is placed than the second position.