Abstract: A supplemental device for attachment to an injection device, the supplemental device having a housing containing at least two electromechanical switches each having an open state and a closed state and a protrusion associated with each switch configured to protrude from the housing so as to contact a rotatable surface of the injection device while the supplemental device is attached to the injection device; and a processor arrangement configured to detect a change in the state of each of the switches; and to determine a direction of rotation of the rotatable surface of the injection device from the detected state changes.

Abstract: A storage unit includes an accumulation structure defined by a plurality of vertical walls having a plurality of guides arranged horizontally and configured to support a plurality of trays. In each tray there is at least one shaped housing that accommodates at least one object and on the sides of the tray there are shaped edges configured to be slidingly coupled with the guides when the tray is inserted between two consecutive vertical walls. Each tray is configured so as to receive on its upper surface one or more spacer elements that can be superimposed to one another and to the upper surface and connected to one another and to the upper surface through removable connections in order to vary the depth of the shaped housing. Movers are provided that are suited to move the trays with the objects arranged thereon and to insert/extract the trays in/from the guides.

Abstract: An exemplary electronic device includes a shell, a sliding member movably received in the shell, and a movement driver. The driving mechanism includes a link lever, a pusher and a position stopper. The position stopper is located to a rear end of the link lever, and the pusher is latched by the position stopper when the sliding member is received in the shell. The link lever controls the position stopper to release the pusher, and the pusher ejects the sliding member out from the shell.

Abstract: An optical disc device includes: a loader body having a guiding recess formed of a linear portion and a sloped portion; a traverse chassis mounted in the loader body and having a protrusion that is guided along the recess; a turntable mounted on the traverse chassis, for mounting the optical disc; and a clamper which clamps the optical disc between the clamper and the turntable when the traverse chassis ascends relative to the loader body to a clamp position, in which when the traverse chassis is at a position lower than the clamp position, the protrusion is guided along the recess, and when the traverse chassis is at the clamp position, the protrusion is positioned inside the sloped portion.

Abstract: An optical disk drive including: a housing; a tray installed in the housing; an optical pickup unit mounted in the tray; and a guide shaft mounted in the tray such that the optical pickup unit and the guide shaft are configured such that the optical pickup unit is reciprocally movable along the guide shaft.

Abstract: An ink cartridge includes a case, an ink supply portion, an air intake portion, and at least one resilient member. The ink supply portion is positioned at a front face of the case, and the ink supply portion is configured to dispense ink from an interior of an ink chamber to an exterior of the ink chamber. The air intake portion is configured to draw air into the ink chamber. The at least one resilient member has a first portion positioned at the front face of the case and a second portion which is positioned a predetermined distance away from the front face of the case in a predetermined direction away from the ink chamber. The resilient member extends from the front face of the case further than the ink supply portion in the predetermined direction.

Abstract: An electronic device with a built-in optical disc drive includes a casing, an optical disc drive, a first gear rack, a driving mechanism, and a transmitting mechanism. The casing comprises an upper plate and a base, and the upper plate defines an opening. The optical disc drive comprises a tray and a tray cover, and the tray is disposed in the base and faced the opening, the tray cover covering the tray. The first gear rack is connected with the tray cover. The driving mechanism is movably disposed on the casing. The transmitting mechanism includes a first end and a second end, and the gear ratio of the second end to the first end is greater than 1. The first end is meshed with the driving mechanism and the second end is meshed with the first gear rack.

Abstract: There is provided a disk apparatus and disk recording method capable of managing unrecorded disks easily and of recording desired information quickly and easily. In the disk apparatus, a disk recorder DR is provided in a chassis 1, the disk recorder DR having: a tray 4 movable in the forward and backward directions; a drive chassis 5 movable in the upward and downward directions; an optical pickup arranged on the drive chassis 5; and a spindle motor 9 accompanied with a turntable 8, and being adapted to move the drive chassis 5 in the upward direction so that a disk placed on the tray 4 is lifted by the turntable 8 and rotated at a high speed to record information onto the disk through the optical pickup. In the chassis 1, there are provided: a disk repository 20 adjacent to the disk recorder DR and including a disk placing base 24 and a guide frame 25; and a disk setting device 21 for pushing disks D1 to Dn one by one out of the disk repository 20 to set each disk on the tray 4.

Abstract: A disk device of the present invention includes a first cam mechanism, a disk transfer mechanism, a second cam mechanism, a slider positioning mechanism and a positioning release mechanism. The slider positioning mechanism prevents movement of a slider in a reverse direction by engaging the slider when the slider is at a forward limit position. The positioning release mechanism operates the slider positioning mechanism so as to release an engagement of the slider positioning mechanism with the slider in conjunction with a return of an optical pickup.

Abstract: An optical disk player comprises a rack which holds an optical pickup unit and moves with rotation of a pinion. The rack includes a fixed rack plate, which is fixed to the optical pickup unit, and a movable rack plate, which can slide in a moving direction of the fixed rack plate, and projecting members on the fixed rack plate are inserted into guide slots in the movable rack plate. A projecting portion which includes a resin spring is provided on the movable rack plate. When the projecting portion presses a supporter on the fixed rack plate, inner surfaces of the guide slots are pressed against the projecting members by a repulsive force of the projecting portion, and a shaky movement between the movable rack plate and the fixed rack plate is avoided, thus a clatter can be reduced when the rack moves with rotation of the pinion.

Abstract: In a disc apparatus, a tray gear has a boss protruding from one predetermined place in an inner circumference edge part thereof. During assembly of a tray into the apparatus cabinet, when the boss is located within a predetermined range of rotation of the tray gear, the boss meshes with a groove-forming rib provided on the tray and is thereby centered so that the tray gear and the rack mesh with each other always at the same teeth thereof.

Abstract: It is an object of the present invention to provide a disk apparatus in which the driving mechanisms for the pulling-in lever and the discharging lever can be accommodated in limited spaces and the disk can be prevented from being damaged when the disk apparatus is abnormally operated. A base body 10 includes a pulling-in lever 80 which inserts a disk, a discharging lever 100 which discharges the disk, and a slider mechanism which turns the pulling-in lever 80 and the discharging lever 100. The slider mechanism includes a first cam groove in which a first pin of the pulling-in lever 80 slides, and a second cam groove in which a second pin of the discharging lever 100 slides. When the slider mechanism is operated, the first pin slides in the first cam groove, thereby turning the pulling-in lever 80. When the slider mechanism is operated, the second pin slides in the second cam groove, thereby turning the discharging lever 100.

Abstract: An elastic restriction section (15g), formed in a substantially cylindrical configuration and having the vertical axis is provided to protrude on one side of a rear end section of a chassis (15) formed of a synthetic resin. The chassis constitutes a case body for housing a main body that performs processing of reading or recording of an optical disk. The elastic restriction section (15g) is divided into three elastic members that are elastically deformable into a diameter-reduced state, and provided to protrude at a position substantially diagonally opposite to an engagement position of a movement gear (63) of an open/close drive unit (60), the open/close drive unit (60) advancing/retreating a disk tray (50) carrying the optical disk. In the disk tray (50), an engaging recess (51e) is provided to be engaged with the elastic restriction section (15g) at a home position.

Abstract: A tray loading apparatus includes a tray, a motor, a drive circuit. The tray is movable between a load position and an unload position. The motor is constructed and arranged for bringing the tray to move from the unload position to the load position. The drive circuit is used for apply a loading voltage to the motor and the loading voltage includes at least one gradually increasing stage. A tray unloading apparatus and an optical disc drive are also provided.

Abstract: A tray mechanism and a disk drive employing the tray mechanism. The tray mechanism includes a driving member rotatably coupled to a spindle motor; a pinion meshed with a rack provided at a surface of a tray to load the tray onto and unload the tray from a main frame; a pivotable plate pivotally provided at a shaft of the driving member, and having a connector which couples the driving member and the rack; and a limiting member provided on the main frame for limiting a pivotal range of the pivotable plate.

Abstract: It is an object of the present invention to provide a disk apparatus in which the driving mechanisms for the pulling-in lever and the discharging lever can be accommodated in limited spaces and the disk can be prevented from being damaged when the disk apparatus is abnormally operated. A base body 10 includes a pulling-in lever 80 which inserts a disk, a discharging lever 100 which discharges the disk, and a slider mechanism which turns the pulling-in lever 80 and the discharging lever 100. The slider mechanism includes a first cam groove in which a first pin of the pulling-in lever 80 slides, and a second cam groove in which a second pin of the discharging lever 100 slides. When the slider mechanism is operated, the first pin slides in the first cam groove, thereby turning the pulling-in lever 80. When the slider mechanism is operated, the second pin slides in the second cam groove, thereby turning the discharging lever 100.

Abstract: A gear mechanism includes a first rack, a second rack and a gear component. The first rack is provided to a disk tray that is configured to move between a retracted position and an ejected position. The second rack is provided to a slider that is configured to reciprocally move between a first end position and a second end position. The gear component has a first gear, a second gear and an input gear. The first gear selectively meshes with the first rack to move the disk tray between the retracted position and the ejected position. The second gear selectively meshes with the second rack to move the slider between the first end position and the second end position. The input gear operatively coupled to the first and second gears. The first gear and the second gear have equal number of teeth and different modules.

Abstract: A disk drive including a tray and an opener. The tray includes a disk cartridge mounted thereon and is loaded into and unloaded from a main body. The opener is installed in the main body and elastically contacts a guide formed on the tray. The opener includes a second gear and a first protrusion. The second gear rotates a rotating wheel when in contact with a first gear. The first protrusion formed on a first end of the second gear temporarily rotates the rotating wheel so that the first and second gears can mesh. The guide has a first cam that moves the opener such that the first protrusion does not interfere with the latch when the tray is loaded/unloaded.

Abstract: An optical disk player comprises a rack which holds an optical pickup unit and moves with rotation of a pinion. The rack includes a fixed rack plate, which is fixed to the optical pickup unit, and a movable rack plate, which can slide in a moving direction of the fixed rack plate, and projecting members on the fixed rack plate are inserted into guide slots in the movable rack plate. A projecting portion which includes a resin spring is provided on the movable rack plate. When the projecting portion presses a supporter on the fixed rack plate, inner surfaces of the guide slots are pressed against the projecting members by a repulsive force of the projecting portion, and a shaky movement between the movable rack plate and the fixed rack plate is avoided, thus a clatter can be reduced when the rack moves with rotation of the pinion.

Abstract: A loading apparatus for a disc drive which has a traverse module for loading a disc thereon and reading from or recording to the disc including a gear for transmitting a motive force of a driving motor and a slider for lifting the traverse module up to load the disc. The slider forms a toothed portion engageable with the gear. The toothed portion includes a first rack segment and a second rack segment. The first rack segment is flexibly deformable so as to overcome a conflict of alignment of gear teeth of the gear and the first rack segment when such conflict occurs.

Abstract: A disk drive includes a gear transmission system disposed within a casing. The gear transmission system includes first and second gears, a driven plate having a first serrated portion meshed with the first gear, a second serrated portion facing a third gear, and first and second guiding slots. A lifting frame has two couplers slidably engaging with the slots in the driven plate. Rotation of the third gear alternately in opposite directions results in movement of the driven plate in right and left sides of the casing, which, in turn, results in lifting of the frame to an upper reading position, in which, a resilient pushing arm of the lifting frame abuts against the driven plate to provide resilience between the second serrated portion and the third gear.

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: A worm mechanism for a disk player includes a worm gear securely connected to a rotary shaft of a motor, a worm wheel coupled to the worm gear and further connected to driving mechanisms in the disk player and a radial stopper, wherein the worm gear including a boss part securely connected to said rotary shaft, a screw shaft part and a connection part coaxially formed between the boss part and screw shaft part in a unified structure, wherein the radial stopper is disposed on the other side of the worm wheel, apart from the screw shaft part in a predetermined gap in the vicinity of the end of the screw shaft part opposite to the boss part and wherein the connection part has in at least part thereof in the axial direction an effective cross section which is smaller than the cross section of the screw shaft part.

Abstract: A disc emergent ejecting mechanism for an optical disc drive is disclosed that includes a drive motor; a first gear set in meshing engagement with the drive motor; an advancing and retracting member; a second gear set in meshing engagement with the advancing and retracting member; and a clutch assembly including a clutch gear engaged with the first and the second gear sets for transmitting torque from the drive motor to the advancing and retracting member. During a disc emergent ejecting operation, the clutch gear is moved to disengage with the second gear set.

Abstract: A tray loading apparatus includes a tray, a motor, a drive circuit. The tray is movable between a load position and an unload position. The motor is constructed and arranged for bringing the tray to move from the unload position to the load position. The drive circuit is used for apply a loading voltage to the motor and the loading voltage includes at least one gradually increasing stage. A tray unloading apparatus and an optical disc drive are also provided.

Abstract: A tray carrying-in starting mechanism for a disk drive is simple and reduces a load at the start of carrying-in of the tray. The tray carrying-in action is started by pushing a tray that has been carried out to a disk exchange position. The starting mechanism comprises a projection provided on a rear end portion of a rack with a predetermined spacing from a tooth at a rear end of the rack. An untoothed portion is provided on an outer periphery of the gear that meshes with the rack, and a cam groove is formed on the outer periphery of the gear to allow the projection to slide over a predetermined extent and to engage therewith. The projection engages with the cam groove when the tray is carried out to the disk exchange position, and the tray can be retracted a predetermined distance without rotation of the gear when the tray is pushed.

Abstract: A disk drive includes a gear transmission system disposed with a casing. The gear transmission system includes first and second gears, a driving plate having a right serrated portion meshed with the first gear, and a left serrated portion disposed adjacent to and facing the third gear. Rotation of the second gear in clockwise and anti-clockwise directions alternately results in movement of the driving plate in left and right sides of the casing, which, in turn, results in engagement and disengagement of the third gear with the left serrated portion of the driving plate, alternately. The driving plate further has an open-ended slot formed at the left end of the driving plate and adjacent to the left serrated portion in such a manner to provide resilience when the left serrated portion is engaged with the third gear.

Abstract: A main chassis supports a tray that carries a disk thereon and moves between a disk-discharging position and a disk-loading position. A motor is mounted on the main chassis and has a rotating shaft. A worm is formed on the rotating shaft. A drive gear rotatably is mounted on the main chassis and has a pinion gear and a worm wheel in mesh with the worm. The pinion gear is in mesh with a rack formed in the tray. The worm preferably satisfies a dimensional condition ?o>Tan?1(?/Cos ?n) where ?o is a lead, ? is friction coefficient, and ?n is normal pressure angle. The worm has a lead angle ?o greater than 15°. The rotating shaft extends in a direction at an angle with a plane in which the drive gear rotates.

Abstract: A disk apparatus includes a tray that moves with respect to a chassis fixed to an apparatus body to carry a disk, a drive unit that moves in a direction substantially orthogonal to the carrying direction of the tray with respect to the chassis to mount or dismount the disk placed on the tray, a pickup unit provided on the drive unit and having an optical pickup for recording or reproducing the disk, the pickup unit being movable in a radial direction of the disk, and a motor which is arranged on the drive unit and drives the drive unit, pickup unit and tray through a plurality of gears. A worm gear is attached to a motor shaft of the motor. Lead angle of the worm gear is set at 15°–30°.

Abstract: A disk player, e.g. for a CD or DVD, generally includes a tray receiving the disk to be scanned and a so-called cam slider moved between an IN-position for purpose of scanning and an OUT-position for purpose of loading the disk. Therein the movements and the end positions of the tray and the cam slider have to be monitored for proper operation. To do this generally several switches or a special complicated switch are needed. It is an object to simplify the means for performing said monitoring operations for movements in different directions and especially to achieve this by means of a single simple switch, only. The cam slider is provided with a chamfer for moving a switch lever of the switch into a first position (a) and further is provided with a control lever including a switch actuating area for moving said switch lever into a second position (b) said control lever being pivotally mounted on the cam slider against the action of a spring.

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 disk loading mechanism has a turntable. A turntable 36 itself is fixed in external dimensions of a brushless spindle motor, and a chucking face relevant to a disk 11 is precisely placed on a turntable base 46 with a predetermined height. On the turntable base 46, columns 47 are embedded in three directions on a circumference which surrounds the outer periphery of the turntable 36. A column tip end stepped portion 47b and a disk placement face 36a of the turntable 36 are precisely constructed in predetermined dimensions. When the column tip end stepped portion 47b abuts against a bottom face (a reference face L) of a drive board 15, a relative position between the disk placement face 36a of the turntable 36 and a pickup constructed while the bottom face of the drive board 15 is defined as a reference is precisely determined.

Abstract: The present invention discloses a disk drive with ejecting function. The disk drive has a tray that is selectively received in a housing. The tray has a track with a first end and a second end. A chassis is located inside the housing, and a cam rack is slidably disposed on the chassis. A first shaft and a second shaft are disposed on the chassis, and the first shaft engages with the track. A curved bar is slidably disposed on the chassis and touches against the second shaft. When the curved bar is actuated in a direction parallel to the moving direction of the tray, the curved bar pushes the second shaft to move in a direction perpendicular to the moving direction of the tray. Afterwards, the first shaft moves from the first end to the second end, and the tray is ejected.

Abstract: A disk device has a slide tray, rotary tray and chucking mechanism. A motive gear attached to the slide tray has an engaging pin. On the rotary tray, a Geneva gear operating in cooperation with the engaging pin is provided. In a motive gear, a cam groove and a cam member for controlling ON and OFF of chucking operation are provided. In a device body, there are provided a rack for taking in and out and a guide groove. There are provided a central gear driven by motor and an idler gear meshed with the central gear. According to a rotation direction of the motor, the idler gear is selectively meshed with the motive gear or the rack.

Abstract: An optical pick-up feeding device (100) includes a bracket (1) defining an opening (10), a carrier (41) supporting an optical pick-up (3), a stepping motor (42) having a worm screw (420) for driving the carrier, a pair of guide rails (43) for guiding the carrier, and a connecting body (44) for transmitting driving force from the worm screw to the carrier. A slot (446) and a beam (447) are defined at a front end of the connecting body. A protrusion (445) extends horizontally outwardly from a middle of the beam. The protrusion can elastically bend into the slot when a force is applied on the protrusion. When the protrusion collides with an inside wall of the bracket at the opening, the protrusion presses the beam to bend into the slot, thereby translating the force of the collision into elastic deformation force of the beam. This reduces vibration of the optical pick-up.

Abstract: To make the shape of parts simple, the transmission changeover well timed and reliable, and the size reduce, a transmission changeover mechanism in a disc apparatus includes a rotary control piece which is spring-biased to rotate in one direction, and has a transmission switching gear wheel fixed thereto. A retainer post stands on the chassis prevents rotation of the rotary control piece. A catch pin stands the rotary control piece. A cam rib is formed on lower surface of the traverse rack in confronting relation with the rotary control plate which is so configured as to make the rotary control piece release from the retainer post, and at the same time make the catch pin follow the rib contour, thereby allowing the transmission switching gear wheel to couple or decouple from the tray feeding gear wheel.

Abstract: A system having a simple structure and highly precise data reproduction in which a disk tray is attached to a tray ascending/descending unit driven to be ascended or descended within a mechanical deck such that it can be loaded or unloaded in a horizontal direction, and one motor-type loading drive mechanism installed in the tray ascending/descending unit performs a pulling-in drive of the disk tray, a descending drive of the tray ascending/descending unit, a ascending drive of the tray ascending/descending unit and a pulling-out drive of the disk tray, respectively.

Abstract: The present invention discloses a disk drive with ejecting function. The disk drive has a tray that is selectively received in a housing. The tray has a track with a first end and a second end. A chassis is located inside the housing, and a cam rack is slidably disposed on the chassis. A first shaft and a second shaft are disposed on the chassis, and the first shaft engages with the track. A curved bar is slidably disposed on the chassis and touches against the second shaft. When the curved bar is actuated in a direction parallel to the moving direction of the tray, the curved bar pushes the second shaft to move in a direction perpendicular to the moving direction of the tray. Afterwards, the first shaft moves from the first end to the second end, and the tray is ejected.