Abstract: The present invention relates to a library system including a disc recording/reproducing unit, a disc container, and a disc transport unit for transporting a disc between the disc recording/reproducing unit and the disc container. In order to improve the reliability of the operation of moving the disc from the disc recording/reproducing unit to the disc transport unit, a disc transport controller determines the situation in both the disc recording/reproducing unit and the disc transport unit, and error-stops the operation according to the result of the determination. Alternatively, the disc transport controller retries the movement of the disc, by pulling the disc into the disc transport unit or returning the disc to the disc recording/reproducing unit, and by finely adjusting the relative positions of the disc recording/reproducing unit and the disc transport unit if necessary, in order to solve the problem of damage to a surface of the disc.

Abstract: A holding mechanism is operable to hold a top medium from a plurality of plate-shaped media accommodated in a stacker in a stacked manner. A transport arm supports the holding mechanism. When the lift mechanism lifts down the transport arm, one of a first elastic pressing force and a second elastic pressing force greater than the first elastic pressing force is selectively applied from the holding mechanism to an upper surface of the top medium.

Abstract: Provided is a disk conveying device including a conveying mechanism configured to convey a disk recording medium inside and outside a disk cartridge including a plurality of holding grooves into which both end portions of the disk recording medium positioned at opposite sides with a center hole interposed therebetween are inserted, the plurality of holding grooves being formed in a line in a thickness direction of the disk recording medium, and a discharge lever configured to press an outer circumferential surface of the disk recording medium to the disk cartridge side when the disk recording medium is conveyed by the conveying mechanism.

Abstract: A disc device according to the present invention includes a plurality of magazines each having a tray that stores a plurality of discs, a plurality of disc drives that performs recording or reproducing of information on or from a disc, respectively, a picker that draws out the magazine tray from one magazine selected from the plurality of magazines and that conveys the magazine tray to a position near the plurality of disc drives, and a disc separating and supplying device that, at the position near the disc drives, holds the plurality of discs stored in the magazine tray, that separates at least one disc from the held plurality of discs, and that supplies the separated disc to the disc drive.

Abstract: A holding portion includes at least three pressing members which are operable to press an inner peripheral of a hole formed on the medium. The pressing members are movable between first positions where the pressing members do not come in contact with the inner peripheral and second positions where the pressing members come in contact with and press the inner peripheral. Each of the pressing members is adapted to interlockingly move with each other when moving toward the first positions and to press the inner peripheral independently from the other members when positioning the second positions.

Abstract: A cartridge drive apparatus includes a holder, a lock plate, and a drive unit. The holder is configured to hold a cartridge inserted therein. The lock plate is attached with respect to the holder to be movable in one of an insertion direction and a discharge direction of the cartridge and includes a locking mechanism configured to lock the cartridge. The drive unit is configured to drive the holder and the lock plate in one of the insertion direction and the discharge direction of the cartridge.

Abstract: A digital video disc player includes a housing, a shaft rotatably arranged in the housing, a rotary support accommodated in the housing and fixed to the shaft, a plurality of trays arranged on the rotary support, each of the trays supporting a digital video disc and a driving bar movably connected to the housing, the driving bar driving the shaft to revolve, thereby causing the trays to rotate together with the rotary support. User needs only to push the driving bar to switch the positions of the discs instead of opening the tray to replace new disc.

Abstract: A disc device supplies a disc to each of a plurality of disc drives. The disc device includes a carrier which retains a plurality of discs being stacked in such a stacked state, which separates one disc from the retained plurality of discs above a tray ejected from an arbitrary one of the disc drives, and which places the separated disc on the tray. The carrier includes a plurality of claw portions holding the inner circumferential portion of the bottommost disc out of the plurality of discs, and a disc press pressing the topmost disc out of the plurality of discs so as to be in parallel to the disc placing face of the tray.

Abstract: Disclosed is an archive system for a double sided optical disc, in which optical disc drives for recording or reading data on second surfaces of double sided optical discs are mounted in at least one of first and second drive bays respectively mounted at left and right sides of a disc picker robot, so that data recording or reading operations on first and second surfaces of double sided optical discs can be automatically performed.

Abstract: A disc conveying device includes a route adjuster which is pressed and turned by a disc-shaped recording medium being conveyed in a direction orthogonal to a central axis direction in a lead-in direction of being extracted and led in from a disc cartridge and an ejecting direction of being stored in the disc cartridge after being ejected; wherein a positioning groove is formed to the route adjuster, in which a peripheral portion of the disc-shaped recording medium is inserted at the time of the disc-shaped recording medium being conveyed, so as to position the disc-shaped recording medium.

Abstract: A disc device which takes out a disc stored in a magazine and conveys the disc to any disc drive, in which the magazine comprises a tray which stores a plurality of discs, and a case which has a substantially rectangular parallelepiped shape and which stores the tray. The case has an opening at front face into which the tray can be inserted into or taken out therefrom. The tray has an outer shape being substantially rectangular in planar view. The tray is provided with cut portions formed at corner portions positioned on the back side of the case being cut off. The disc device further comprises a picker which holds the tray and draws out the tray from the case. The picker rotates the tray when the cut portion passes through the opening.

Abstract: To develop optical discs stored while being stacked and to load them to a plurality of recording/reproducing devices simultaneously. Trays for mounting optical discs are stacked to configure an optical disc transportation body, and the portions being exposed without overlapping when the stacked trays are viewed from the stacking direction are utilized as tray operation portions for handling. Supporting portions abutting against the tray operation portions inherent to respective trays in one to one correspondence are fixed with an interval in the vertical direction to the frames configuring a tray distributing/holding portion. The tray operation portion of each tray is held by the supporting portion at each position by moving the optical disc transportation body downward along the frames, and intervals corresponding to the arrangement pitch of recording/reproducing devices are formed between respective trays.

Abstract: A disc conveying device includes a pair of rails positioned on opposite sides across a disc-shaped recording medium transported in the lead-in direction or ejecting direction in a direction orthogonal to a center axis direction, and extending in the direction of the conveyed disc-shaped recording medium; link arms that are turnably supported to a base chassis, are turnable as to the pair of rails, and move in parallel in a direction of separating the rails from the peripheral face of the disc-shaped recording medium; conveying rollers that convey the disc-shaped recording medium by being supported by the rails, and touch the peripheral face of the disc-shaped recording medium with at least one conveying roller rotating; and an ejecting lever that is turnable as to at least one of the rails, by which turning the peripheral face of the disc-shaped recording medium is pressed, and the disc-shaped recording medium is conveyed.

Abstract: A magazine detachably installed in a main body of a disc changer is divided into sections by partitions for storing a large number of optical discs. The magazine is provided with a belt set around rollers, which carries the optical disc in contact with the belt. In the disc changer, the belt is rotated by a gear of the roller, which is engaged with an external drive gear for taking the optical disc through rotating movement. Among the optical discs which have been taken, a target optical disc opposite the slit of the disc control plate passes through the slit, and the other optical discs stop while abutting against the disc control plate. The optical disc which has passed through the slit is inserted into disc carriage rollers, and further carried to the drive for recording/reproducing.

Abstract: A holding portion includes at least three pressing members which are operable to press an inner peripheral of a hole formed on the medium. The pressing members are movable between first positions where the pressing members do not come in contact with the inner peripheral and second positions where the pressing members come in contact with and press the inner peripheral. Each of the pressing members is adapted to interlockingly move with each other when moving toward the first positions and to press the inner peripheral independently from the other members when positioning the second positions.

Abstract: A media transportation mechanism has: a storage unit that stores disc-shaped media with a center hole in a stack; a transportation arm that moves vertically and has a gripping member to hold a medium stored in the storage unit, and a separating member that moves radially to the medium from the hole of the medium; and a transportation arm drive member that sets the ascent speed of the transportation arm to a first speed, and to a second speed that is slower than the first speed, when moving the transportation arm vertically up while the gripping member holds the medium.

Abstract: The disk-shaped information recording medium having an outer diameter and an inner diameter comprises a substrate having a predetermined thickness, a first side that is one side of the substrate, a second side that is the other side of the substrate, a cylindrical portion forming a through hole formed at a center of the substrate, and a thin portion formed so as to surround an outer diameter of the cylindrical portion. The thin portion is thinner than the predetermined thickness and includes a non-inclined surface and an inclined surface formed on an outer diameter side of the non-inclined surface. The inclined surface is inclined at a predetermined angle to the non-inclined surface and is larger than the non-inclined surface in the thin portion.

Abstract: A disk laminate includes thin disks laminated to each other, which are to be suctioned and conveyed; and spacers provided between the thin disks to prevent the thin disks from directly contacting each other, the spacers having air permeability.

Abstract: The disc device includes a carrier which retains a plurality of discs in such a stacked state, which separates one disc from the retained plurality of discs above a tray ejected from arbitrary one of the disc drives, and which places the separated disc on the tray. The carrier includes a spindle unit inserted into a center hole formed in each of the discs, a first hold claw portion which holds an inner circumferential portion of the disc, and a second hold claw portion provided at a position higher than the first hold claw portion by a substantially thickness of one disc, the second hold claw portion holding an inner circumferential portion of the disc. One disc from the retained discs is separated by shifting the first and second hold claw portions back and forth between an inner side and an outer side of the spindle unit.

Abstract: The disc device supplies a disc to each of the plurality of disc drives. The disc device includes a carrier which retains a plurality of discs being stacked in such a stacked state, which separates one disc from the retained plurality of discs above a tray ejected from an arbitrary one of the disc drives, and which places the separated disc on the tray. The carrier includes a plurality of claw portions holding the inner circumferential portion of the bottommost disc out of the plurality of discs, and a disc press pressing the topmost disc out of the plurality of discs so as to be in parallel to the disc placing face of the tray.

Abstract: A disc changer includes: a disc cartridge having a case body in which a plurality of disc-shaped recording media are storable by being arrayed in the axial direction of the center axis, and an information input medium to which at least information relating to pitch between disc-shaped recording media and the number of stored disc-shaped recording media is input; a disc holder configured to hold the disc cartridge, a portion of which is moveable in the center axial direction of the disc-shaped recording media; and a movement mechanism including an encoder, configured to determine a stop position in the center axial direction of the disc holder based on information input to the information input medium.

Abstract: To develop optical discs stored while being stacked and to load them to a plurality of recording/reproducing devices simultaneously. Trays for mounting optical discs are stacked to configure an optical disc transportation body, and the portions being exposed without overlapping when the stacked trays are viewed from the stacking direction are utilized as tray operation portions for handling. Supporting portions abutting against the tray operation portions inherent to respective trays in one to one correspondence are fixed with an interval in the vertical direction to the frames configuring a tray distributing/holding portion. The tray operation portion of each tray is held by the supporting portion at each position by moving the optical disc transportation body downward along the frames, and intervals corresponding to the arrangement pitch of recording/reproducing devices are formed between respective trays.

Abstract: A media processing device enables quick, easy, problem-free removal of processed media while maintaining high media quality. The media processing device, such as a disc publisher 1, has a tray 70 with a stacker unit 71 for storing media M, and a tray holding unit that supports the tray 70 movably between a removal position and a storage position. Overlapping channels and lands are formed on the top of the tray 70 and on the ceiling part of the tray holding unit facing the top of the tray 70.

Abstract: A disc device which takes out a disc stored in a magazine and conveys the disc to any disc drive, in which the magazine comprises a tray which stores a plurality of discs, and a case which has a substantially rectangular parallelepiped shape and which stores the tray. The case has an opening at front face into which the tray can be inserted into or taken out therefrom. The tray has an outer shape being substantially rectangular in planar view. The tray is provided with cut portions formed at corner portions positioned on the back side of the case being cut off. The disc device further comprises a picker which holds the tray and draws out the tray from the case. The picker rotates the tray when the cut portion passes through the opening.

Abstract: A recording and/or reproducing apparatus includes a recording medium accommodation table including recording medium accommodation portions each capable of accommodating a recording medium, a recording medium drive unit on which the recording medium is removably mounted and which is capable of performing recording and/or reproduction of an information signal onto and/or from it, a mechanical chassis that supports the recording medium accommodation table to freely rotate and also support the recording medium drive unit to be movable, a drive-moving unit that moves the recording medium drive unit closer to and away from the recording medium accommodation table, and a recording medium transport unit that transports the recording medium between a recording medium mounting and removing position of a recording medium-mounting portion and a recording medium accommodation position of the recording medium accommodation portions.

Abstract: A cartridge drive apparatus for a disc cartridge having upper and lower shells which are separatably joined to each other to form a cartridge body is disclosed, in which a accommodated disc is able to be inserted or ejected by separating the upper and lower shells vertically. The cartridge drive apparatus includes a cartridge holder which, by inserting the cartridge body, has an upper holder supporting the upper shell and a lower holder supporting the lower shell, and a holder moving mechanism which separates the upper holder and the lower holder of the cartridge holder to separate the upper shell and the lower shell and thus is able to allow the disc to be inserted or ejected.

Abstract: Embodiments provide methods and systems for handling optical discs in a media library appliance and for replacing optical drives in the field. In one embodiment, the media library appliance comprises optical disc handling robotics developed for slim form factor slot load drives in a vertical orientation located on both sides of the robotics within a 19 inch rackable appliance. On the system level, the optical disc storage system provides modularity and scalability. The drives reside in field replaceable units (“FRUs”) that are oriented vertically on a horizontal backplane. The disc handling robotics access discs on each side stored in horizontal stacks within large disc cartridges. A small disc shuttle cartridge attaches to a large disc cartridge to provide a means to import and export a smaller number of discs from the disc cartridge.

Abstract: An information storage disk dispensing apparatus includes a frame, a disk drive and a disk inclining member. The disk drive is connected to the frame and includes a tray. The tray includes a receiving area and has an ejected position. The disk inclining member is mounted on the frame over the receiving area of the tray when the tray is at the ejected position to incline a disk pulled by gravity to fall vertically.

Abstract: A disc changer includes a disc cartridge having an insertion hole, a case body into which the disc cartridge is inserted, having first and second shells which can be separated in which a plurality of disc-shaped recording media are storable by being arrayed in the axial direction of the center axis, and a lock lever for locking the shells in a connected state; and a disc holder to hold the inserted disc cartridge, including an unlocking piece which unlocks locking between the shells by being inserted into the insertion hole when the disc cartridge is inserted into the disc holder to press the lock lever, and a restricting lever supported by the unlocking piece, including a restricting portion engaged with the case body when the unlocking piece is inserted into the insertion hole, so that locking between the shells is unlocked, the restricting lever restricting movement in the extracting direction.

Abstract: A disc cartridge includes upper and lower shells making up a cartridge body, and with the lower shell, a first-rectangular plate, and disc holders making up the side wall of the cartridge body provided to first-side edges of the first-rectangular plate, and also slidably supporting a disc are provided, and second-side edges which face each other are opened, with the upper shell, a second-rectangular plate, standing wall members provided to third-side edges of the second-rectangular plate, making up the front and rear faces of the cartridge body, and a dividing wall provided to fourth-side edges are provided, and with the disc holders, an disc insertion/ejection opening from the second-side edges is provided to one edge, and a push-out opening for a disc push-out member is provided to the other edge, and when the shells are combined together, the second-side edges are closed, and are opened when the shells are separated.

Abstract: A disc loading mechanism transporting a disc between a disc cartridge and a recording and reproducing apparatus includes: a loading arm having at a leading end thereof claw members which comes into contact with an outer circumference of the disc and performs drawing of the disc into the recording and reproducing apparatus and insertion of the disc into the disc cartridge; an arm driving mechanism which slides the loading arm in a disc transport direction; a disc extruding lever which extrudes the disc up to a contact position with the claw members when discharging the disc; and a lever driving mechanism which drives the extrusion lever, wherein each of the claw members includes a draw-in surface portion and an insertion surface portion provided at the opposite side to the draw-in surface portion.

Abstract: A holding mechanism is operable to hold a top medium from a plurality of plate-shaped media accommodated in a stacker in a stacked manner. A transport arm supports the holding mechanism. When the lift mechanism lifts down the transport arm, one of a first elastic pressing force and a second elastic pressing force greater than the first elastic pressing force is selectively applied from the holding mechanism to an upper surface of the top medium.

Abstract: [Problem] The problem is to provide a system with a large capacity as the recording and regenerating apparatus through piling optical disks and stocking the piled optical disks compactly. [Means to solve the Problem] An optical disk recording and regenerating apparatus to make a holding means, which includes an optical disk sucking part to suck an upper surface of an optical disk, and a partition sheet sucking part to suck a partition sheet by sucking a held area of the partition sheet and which sucks and holds at least one of the optical disk and the partition sheet, move to an optical disk drive from a tray loaded with a plurality of the optical disks which are piled through the partition sheet having the held area projecting from an edge of the optical disk and not overlapping with the optical disk when the optical disk and the partition sheet are piled.

Abstract: A system for optical disc storage, writing and reading including a housing holding at least two optical disc racks and a plurality of read/write drives that may be positioned in line with the storage rack. A track spans the racks, (e.g., a parallel track is positioned between two racks). A shuttle mounted on the track allows transfer of discs from the racks to drives. The shuttle may allow for disc pass through, disc rotation, or have other structures for disc transport.

Abstract: The present invention provides a disk drive with a compact size that makes it possible to effectively utilize space within a disk drive and permits a straightforward layout of members. The disk drive comprises a disk holder 10 that has a plurality of holder plates 11 that individually hold disks D, a drive unit 62 that plays back disks D, disk selectors 41A and 41B that form a space above and below a desired disk D by raising and lowering the holder plates 11, and a drive base 60 that moves the drive unit 62 into the space that is formed by raising and lowering the holder plates 11. The opening amount of the disk holder 10 by the rise and fall of the holder plates 11 is fixed. The height of insertion of disk D into the disk holder 10 is on the upper side between the highest holder plate 11 and the lowest holder plate 11 when the disk holder 10 is open.

Abstract: A recording medium changer includes a storage block that is movable in a longitudinal direction, a drive block that processes data recorded on a recording medium, a conveying block that is movable in a vertical direction and conveys the recording medium for mounting onto the drive block or for storage into the storage block, and a power supply block that supplies drive power to individual sections. The rear position of the storage block is present above the drive block, the driving delivery position of the conveying block is present forward of the drive block, the conveying block is present in the driving delivery position at the time of movement of the storage block in the longitudinal direction, and the storage block is present in the forward position when storage and ejection of the recording medium into and from the storage block are performed via an opening.

Abstract: The present invention provides a disk drive with a compact size that makes it possible to effectively utilize space within a disk drive and permits a straightforward layout of members. The disk drive comprises a disk holder 10 that has a plurality of holder plates 11 that individually hold disks D, a drive unit 62 that plays back disks D, disk selectors 41A and 41B that form a space above and below a desired disk D by raising and lowering the holder plates 11, and a drive base 60 that moves the drive unit 62 into the space that is formed by raising and lowering the holder plates 11. The opening amount of the disk holder 10 by the rise and fall of the holder plates 11 is fixed. The height of insertion of disk D into the disk holder 10 is on the upper side between the highest holder plate 11 and the lowest holder plate 11 when the disk holder 10 is open.

Abstract: An object of the invention is to provide a disc autochanger without any disc reversing mechanism by using on A-side recording and reproducing apparatus and a B-side recording and reproducing apparatus while using a sheet-like optical disc in which both surfaces can be recorded and reproduced. The disc autochanger is constituted by a cartridge storing a plurality of sheet-like optical discs in which both surfaces are recorded and reproduced in a state of putting in a tray, the A-side recording and reproducing apparatus in which a moving table of an A-side recording and reproducing portion is arranged in an upper side of a tray take-out mechanism and a moving table of a cap is provided in a lower side thereof, and the B-side recording and reproducing apparatus in which a moving table of a B-side recording and reproducing portion is arranged in a lower side of the tray take-out mechanism and a moving table of a cap is provided in an upper side thereof.

Abstract: The disk apparatus according to the present invention includes a tray which is elevationally movably disposed within a casing of apparatus integrating a disk reproducing system mechanism and holds a disk to be reproduced thereon, and the tray is provided with a disk supporting section supporting the peripheral edge of the disk such that the recording surface of the disk is floated on the tray.

Abstract: There is provided a disc changer for a disc drive unit, including: a disc accommodation section capable of accommodating plural discs: a disc pushing mechanism that pushes a disc from a specific rack of the disc accommodation section to a disc discharge position within the disc drive unit; and a disc discharge mechanism that securely sends the disc at the disc discharge position, to a disc insertion/discharge opening of the disc drive unit. The disc exchanger further includes a disc guiding device that has: an upper and a lower guiding members, which are provided in an area within the disc drive unit adjacent to the disc insertion/discharge opening, and guide the disc pushed by the pushing mechanism, to the disc insertion/discharge opening; and a drive mechanism of the guiding members, that opens the lower guiding member from the upper guiding member, when the pushing mechanism pushes the disc.

Abstract: Characterized by checking, after stopping a stocker driving motor, whether a target pattern can be detected at the stopping position or not; and by reducing, if the target pattern cannot be detected at the stopping position, the driving force of the stocker driving motor during retrying operation carried out by reversing the rotation of the stocker driving motor.

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 present invention provides a disk drive of a compact size that can effectively utilize internal space within a disk drive and permit a straightforward arrangement of parts. The disk drive includes a disk holder that has a plurality of holder plates that individually hold disks, a drive unit that plays back disks, disk selectors that form a space above and below a desired disk by raising and lowering the holder plates; and a drive base that moves the drive unit into the space that is formed by raising and lowering the holder plates. The opening amount of the disk holder by the rise and fall of the holder plates, is fixed. The height of insertion of a disk into the disk holder is on an upper side between the highest holder plate and the lowest holder plate when the disk holder is open.

Abstract: A media drive system includes a housing and a drive unit at least partially disposed within the housing. A media handler arrangement defines a plurality of queuing positions for media objects, and a receiving area within the housing receives storage units defining at least one other queuing position. The drive system reduces latency through the use of the queuing positions to speed transfer and access to media objects.

Abstract: The present invention provides a disk drive with a compact size that makes it possible to effectively utilize space within a disk drive and permits a straightforward layout of members. The disk drive comprises a disk holder 10 that has a plurality of holder plates 11 that individually hold disks D, a drive unit 62 that plays back disks D, disk selectors 41A and 41B that form a space above and below a desired disk D by raising and lowering the holder plates 11, and a drive base 60 that moves the drive unit 62 into the space that is formed by raising and lowering the holder plates 11. The opening amount of the disk holder 10 by the rise and fall of the holder plates 11 is fixed. The height of insertion of disk D into the disk holder 10 is on the upper side between the highest holder plate 11 and the lowest holder plate 11 when the disk holder 10 is open.

Abstract: A transport arm device for carrying at least one disc includes a driving mechanism, a sway control member, and a swaying mechanism. The sway control member comprises a hole substantially in the middle of the sway control member for receiving a portion of the driving mechanism and two leaf springs extending up from two sides of the sway control member respectively. The swaying mechanism is capable of grabbing the discs. The swaying mechanism comprises a rotating connection for engaging with a suspension of the transport arm device. The two leaf springs are contacted with the swaying mechanism. The sway control member is moved by the driving mechanism so as to rotate the swaying mechanism along a rotary axis on the rotating connection, and the two leaf springs provide elasticity for the swaying mechanism rotating back.

Abstract: A compact disc (CD) feeding mechanism includes a base internally defining a moving passage, and a CD inlet and a CD outlet communicating with an upper and a lower end of the moving passage, respectively, and having a first and a second supporting wall spaced by a shifting path and radially projected into a left side of the CD inlet, an overall length extending along the two supporting walls and the shifting path being larger than one half of the outer circumference of a CD, so that a plurality of CDs may be stacked on the two supporting walls; a driving unit mounted below the base and electrically connected to an external power supply; and a shifting unit including a shifting section driven by the driving unit to shift a lowest one of the stacked CDs out of the supporting walls into the moving passage to the CD outlet.

Abstract: A recording medium changer includes a storage block that is movable in a longitudinal direction, a drive block that processes data recorded on a recording medium, a conveying block that is movable in a vertical direction and conveys the recording medium for mounting onto the drive block or for storage into the storage block, and a power supply block that supplies drive power to individual sections. The rear position of the storage block is present above the drive block, the driving delivery position of the conveying block is present forward of the drive block, the conveying block is present in the driving delivery position at the time of movement of the storage block in the longitudinal direction, and the storage block is present in the forward position when storage and ejection of the recording medium into and from the storage block are performed via an opening.

Abstract: A barrier mechanism, which is often utilized in a disk changer device, is disclosed herein, in which the barrier mechanism includes two wheels and a barrier belt loop. The two wheels are respectively installed on a top terminal and a bottom terminal of an edge of the disk insertion opening of the magazine. A barrier belt loop which is used for selectively traverse one of the plurality of disk holding members, includes an inner section with a traversing recess carved therein. The inner section is adjacent to the disk insertion opening of the magazine of the disk changer device, and the mechanical coupling between the barrier belt loop and the processing mechanism enables the traversing recess constantly aligned with the optical pick-up unit. Accordingly, the traversing recess is horizontally aligned with the predetermined disk holding member, thereby the procedure enables the drafting unit to extract the predetermined disk holding member through the traversing recess into the optical pick-up unit.

Abstract: A transport arm device for carrying at least one disc comprising a driving means, a sway control member, and a swaying mechanism is disclosed. The sway control member comprises a hole in substantial middle of the sway control member for receiving a portion of the driving means and two leaf springs extending up from two sides of the sway control member respectively. The swaying mechanism is capable of grabbing the discs. The swaying mechanism comprises a rotating connection for engaging with a suspension of the transport arm device, wherein the two leaf springs are contacted with the swaying mechanism. The sway control member is moved by the driving means so as to rotate the swaying mechanism along a rotary axis on the rotating connection, and the two leaf springs provide elasticity for the swaying mechanism rotating back.