Abstract: The slot-in disk drive with a jam-proof device includes an upper housing, at least one guiding bar disposed under the upper housing, an end of the guiding bar pivoted to an inner wall of the slot-in disk drive, and a reception end of the guiding bar for guiding and driving an optical disk to slide in/out the slot-in disk drive, and a block disposed on the reception end. The elastic component of the jam-proof device includes a fixing portion fixed on the positioning slot of the reception end and an obstructing portion disposed between the block and the upper housing. The wear-resisting component is disposed on the upper surface of the obstructing portion of the elastic component for contacting the upper housing.

Abstract: The invention provides an optical disk drive with a connecting device. The optical disk drive includes two guiding tracks disposed on two sides of a casing for holding a tray to slide in/out the casing, a circuit board disposed on the tray and electrically connected to a spindle motor and a pick-up head, a main board disposed inside the casing, a detecting switch disposed on the main board, and the connecting device. The connecting device includes a first part disposed on the main board, and a second part disposed on the circuit board for connecting with the first part. The first part is connected with the second part and the optical disk drive is powered on so as to transmit the electricity and the signals between the main board and the circuit board via the connecting device when the detecting switch detects the tray is positioned inside the casing.

Abstract: The invention provides an emergency ejection device for a slot-in disk drive, which rotates a worm gear by a motor. A central hole of a rotating component is fixed on a housing. A sliding slot is formed on an end of the rotating component, and a buckling slot is formed on an end of the sliding slot. A first gear of a gear set fixed on the central hole of the rotating component is engaged with the worm gear. A clutching gear fixed on the other end of the rotating component is engaged with the first gear. An end of a locking component inserts inside the sliding slot, and an inclined surface protrudes from the other end of the locking component. A spring provides an elastic force for holding the sliding column inside the buckling slot so as to keep engagement of the clutching gear with a second gear.

Abstract: The invention provides a method for ejecting an optical disk and a related ejection device for a slot-in disk drive. The ejection device includes a block disposed on a contact end of an unloading bar. The block stretches out of the contact end of the unloading bar along a longitudinal direction of the unloading bar for pushing a small size optical disk so that a distance between a center of the small size optical disk and a contact end of a loading bar exceeds a predetermined distance. When the small size optical disk is unloaded, the unloading bar backs to an initial position, the slot-in disk drive idles to load and unload the small size optical disk continuously for pushing the small size optical disk outwardly further.

Abstract: An insertion-proof device for optical disk drive is provided to prevent other discs from being inserted in the operating disk drive. A slider moves back and forth along the optical disk drive to load and unload a disc. A push head is disposed on one end of the slider near an entrance. A protrusion is extended backward from the protection unit and disposed on the moving path of the slider. At least one supporting arm is extended from the protection unit. After a disc is loaded, the push head pushes the protrusion, so that the protection unit rotatably fixed near the entrance is turned upward to cover part of the entrance to prevent other discs from being inserted in the operating disk drive. When unloading a disc, the push head releases the protrusion, so that the protection unit leaves the entrance for the original position.

Abstract: An electrostatic discharge protection apparatus disposed in an optical disk drive includes a spindle motor and a feeding mechanism for driving a pick-up head. The mechanism includes a sled motor for driving the pick-up head. A traverse is disposed in a casing of the optical disk drive for disposing the motor and the mechanism. The electrostatic discharge protection apparatus is an elastic sheet disposed at one end of the spindle motor adjacent to the sled motor and includes a main body and several strips extending from the main body. The main body is connected with a metal fixing plate of the spindle motor. One strip contacts the sled motor, another strip contacts the guide bar, and another obliquely protruding strip penetrates and contacts a base plate and presses against the casing. A big electrostatic discharge sink is formed to buffer the transient impact caused by high electrostatic charges.

Abstract: An ejection device of a slot-in optical disc drive includes a rotating plate and an elastic unit. The rotating plate is installed on the slot-in optical disc drive and attached to an actuating gear of a feeding gear unit. The actuating gear is capable of following the rotation of the rotating plate to disengage from the feeding gear unit of the slot-in optical disc drive. The elastic unit is attached to the rotating plate to keep the actuating gear engaged with the feeding gear unit. A push wall of the rotating plate and a push block of a sliding piece, connected with the output of the feeding gear unit, are located sequentially on the path of a hole penetrating into the optical disk drive. A stick can be inserted into the hole to activate the ejection device.

Abstract: The invention includes a slot-in disk drive with a release device, wherein a side of a traverse is pivoted to a casing. A spindle motor disposed on the traverse rotates an optical disk with a non-data area. The release device is set on the traverse adjacent to the spindle motor. A first hole is formed on the traverse and located in a position corresponding to the non-data area. A release bar protrudes from a bottom of the casing for inserting into the first hole. A buffer is installed between the release bar and the traverse for isolating vibration.

Abstract: The invention provides a cooling device for the feeding motor of a pick-up head on a traverse covered a protection plate. The protection plate disposes a long slot along the major axis of the traverse. One end of the long slot disposes a spindle rotating a disc above the protection plate. A feeding motor rotates a screw bar to move the pick-up head back and forward along the long slot. A diffuser is connected to at least one side of the upper surface of the feeding motor. An install recess on the protection plate faces the rotating disc and accommodates the upper surface and the diffuser to increase the cooling effect.

Abstract: The invention is to provided an emergency ejection device for a slot-in optical drive, which utilizes a feeding motor to rotate a transmission shaft from one end of the transmission shaft without self-locking. The other end of the transmission shaft extending to the front of the drive forms as a pincer-like slot, and a worm is disposed between the two ends. One end of a gear set having a plurality of gears drives a clamping unit, and the other end rotates a roller. A worm wheel is disposed on one of the gears in the middle of the gear set and is engaged with the worm with self-locking so that the transmission shaft can be rotated by hand to eject a disk.

Abstract: The invention provides a traverse with a splash-proof device which disposes a spindle on one end of a body and is covered by a protection plate. A feeding device utilizes a feeding motor to rotate a screw bar, and two guiding bars, paralleling the screw bar are individually disposed on the two sides of the body. A pick-up head is disposed across two guiding bars and one side is driven h)y the screw bar to slide along the two guiding bars. The splash-proof device utilizes stick slices between the guiding bars and the protection plate to prevent lubricant from splashing.

Abstract: The invention provides a protection cover of a pick-up head provided on a traverse of an optical drive. A plate flatly is positioned on an upper surface of the traverse, and the plate has a slot, with one end of the slot fastened to a spindle motor to clamp a disc and the other end of the slot forming a staying part for the pick-up head to stay in a stand-by mode. The pick-up head is disposed in the slot and has an objective lens. When the objective lens stays in the staying part out of a periphery of a 12-cm disc, the protection cover crosses over the staying part to protect the objective lens.

Abstract: The present invention provides a lift device of a slot-in disk drive, which includes two straight slots formed on a side of a sliding component, two sliding pins protruding from a side of base adjacent to the sliding component or protruding from a fixing plate of a casing, a cover covering with the sliding component, two guiding pins protruding from an inner surface of the cover corresponding to the two straight slots for inserting into the two straight slots respectively, an one-humped traverse slot with two ends of different heights formed on a lateral side of the cover adjacent to the sliding bolt whereinto the sliding bolt inserts, and two lifting slots separately formed on the other lateral side of the cover whereinto the two sliding pins insert.

Abstract: A slot-in type disk drive fastens a clamping unit with two protrusions around its periphery on the central hole of a base plate. A front positioning part utilizes a stick to link a front right positioning bar and a front left positioning bar to synchronously open or close. A locking rod has a limiting pin inserted into an arc slot on the side of the base plate, and protrudes a locking end from the rear end. A rear positioning part utilizes an idle gear to link rear right and rear left positioning bars to synchronously open or close. The locking end can insert a first or second positioning recess on the rear left positioning bar and a touch block of the locking rod leans against the first protrusion. A lever is disposed on the rear right positioning bar to link a linkage plate set by one end.

Abstract: The invention provides a protection device for protecting a flat cable in an optical disk drive. The protection device includes a casing, whereon a main board is fixed inside the casing, and an opening is formed at a front edge of the casing. The protection device further includes a tray disposed inside the casing in a slidable manner, a circuit board disposed on a bottom of the tray, the flat cable connected to the main board and the circuit board, a cover disposed on the bottom of the tray, and a support frame connected to the cover and protruding towards a rear of the casing. The support frame is disposed on the bottom of the tray and adjacent to a position, where the flat cable is connected to the circuit board, for holding the flat cable and preventing the flat cable from dropping.

Abstract: The invention provides a crack-proof device for an optical disk drive. The crack-proof device includes a casing whereon an opening is formed on a front end. The crack-proof device further includes a plank row extending downward from an upper edge of the opening for blocking the opening partly, a tray disposed inside the casing in a slidable manner, whereon a recession is formed for loading an optical disk, and at least one block wall protruding from an upper surface of the tray and located between an front end of the tray and the recession. When the tray is positioned inside the casing, the block wall and the plank row are staggered for reducing a vertical gap between them.

Abstract: A shock isolation structure applied in an optical disc drive is provided. The shock isolation structure includes a bottom portion, a top portion, and a neck portion jointing the bottom portion and the top portion. The portions have a through hole running through the top surface of the top portion and the bottom surface of the bottom portion along a run-through central line. In the neck portion, any ring-shaped cross section using the run-through central line as the normal has a first wall thickness on a first extension line starting from the run-through central line and extending towards the outer peripheral of the ring-shaped cross section, and has a second wall thickness on a second extension line starting from the run-through central line and extending towards the outer peripheral of the ring-shaped cross section. The first wall thickness is larger than the second wall thickness.

Abstract: The invention is to provide a rack structure in an optical disk drive, which is formed integrally by pressing a metal plate. A connecting fixing part is disposed on a body. A brace is formed by bending down a periphery of the body. A convex or a concave trench is pressed near a front end of the body to form a secondary reinforcement. A reinforcement is formed by bending down near the middle of the front end of the body An elastic support is extended from the front end of the reinforcement and bent parallel to the front end of the body. A space is maintained between the elastic support and the body. A horizontal slot is pressed in the middle of the elastic support to form an upper support and a lower support. A first rack is disposed on one end connecting the upper support, of the lower support. The other end of the lower support is extended from the reinforcement to form a bending pivot. A second rack is formed on the other end of the upper support to enhance the engagement with the screw.

Abstract: A method and device for protecting slot-in optical disc drive are provided. A first sensing switch is for detecting the action of an unloading unit, a second sensing switch is for detecting the action of a receiving unit, and a third sensing switch is for detecting the action of a positioning bar. A disc is inserted as the optical disc drive is at the initial state, and the states of the first, second and third sensing switches are detected. The transmission unit is activated to automatically load the disc as all sensing switches are turned on, and whether the state of the third sensing switch changes is checked. When the state of the third sensing switch changes, the extraction of the disc is detected, so the transmission unit is immediately reversed to execute the unloading of the disc, so as to protect the optical disc drive.

Abstract: The invention is to provide a restraining device of an optical disk drive in which a traverse is disposed. A transmission unit rotates a roller to, load/unload a disc, and drives a slider to move the roller. The transmission unit includes the restraining device moving with the roller. When the optical disk drive carries a disc, the slider moves to release the traverse and push down the roller to move the restraining device away from the vibration range of the traverse. When the optical disk drive does not carry a disc, the slider moves to restrain the traverse and release the roller to move the restraining device close to the front end of the traverse. The vibration range of the traverse is restrained to protect the gear teeth from damage.