CN100388375C - Disc roller suction-type core and its movement method - Google Patents
Disc roller suction-type core and its movement method Download PDFInfo
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- CN100388375C CN100388375C CNB2004100266355A CN200410026635A CN100388375C CN 100388375 C CN100388375 C CN 100388375C CN B2004100266355 A CNB2004100266355 A CN B2004100266355A CN 200410026635 A CN200410026635 A CN 200410026635A CN 100388375 C CN100388375 C CN 100388375C
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Abstract
The present invention relates to a disc rolling shaft suction-type machine core and a movement method thereof. The machine core comprises a casing, an upper cover, a rolling shaft, a left clamping device and a right clamping device of a disc, a driving device and a signal switch, wherein the driving device comprises a first motor which is used for driving the rolling shaft to rotate, a transmission mechanism, a second motor and a second transmission mechanism; a lifting device which is driven by the second motor and the second transmission mechanism and is used for driving a magnetic clamping head to move up and down is also arranged in the machine core. The movement method of the machine core of the present invention is that the magnetic clamping head is directly driven by the motor to move up and down. The present invention can be used without a disc box, and has the advantages of simple structure, thin machine core, convenient use, less noise, low cost, compatible use of big and small discs, less transmission components and simple movement process of the disc in the machine core.
Description
Technical field:
The present invention relates to use usefulness discs such as disc and photomagneto disk to carry out diskette machine movement and the movement technique that information writes down, particularly disc is put into or taken out the roller inhalation type machine core that has compatible apparatus and the movement technique of diskette machine movement as carrier.
Background technology:
Because disc has high density, digital record, disc has become main data recording media, is widely used in the diskette machines such as CD, CD-ROM, VCD, DVD, LD and MD, gos deep into day by day in people's the life.Existing a kind of roller bearing sucks movement, the automobile audio DVD player that provides as the patent No. 01280080.5, include movement, housing, the loam cake roller, rolling wheel support, sensor, gear train, locking mechanism, damping, the housing both sides are provided with locating slot and chute, the loam cake front end is provided with a left side, right door pillar, last cover back-end is provided with sensor, the movement both sides are provided with stationary shaft, the stationary shaft of movement is fixed on the housing by locking mechanism, roller is fixed on the rolling wheel support, rolling wheel support is connected with gear train, rolling wheel support and locking mechanism are slidingly connected, locking mechanism and housing are slidingly connected, locking mechanism is by location, left side slide plate 107, jam plate 106 and right location slide plate (not shown) are ended in a left side, the right jam plate (not shown) that ends is formed, slide plate two ends, location are respectively equipped with locating slot, end jam plate one end and be provided with locating slot, the other end that ends jam plate is connected with rolling wheel support with axle by chute, locate slide plate and end jam plate and be slidingly connected, rolling wheel support drives location slide plate slip by ending jam plate, the location slide plate, the locating slot that ends jam plate and the housing fixedly stationary shaft of movement that cooperatively interacts is provided with guiding surface on the slide plate of location, a left side.The side of housing is provided with clutch coupling 105, clutch coupling tooth bar 109 is fixed on the housing, clutch gear and gear train engagement, the outside of clutch coupling is provided with interlock board 110, interlock board 110 is provided with the draw-in groove that matches with clutch gear 109, the end of interlock board 110 is provided with back-moving spring, and interlock board is connected with sensor by rotating shaft.Sensor is made up of sensor push rod 115 and rodmeter 116, and rodmeter is provided with the trigger point, and the sensor push rod is connected by rotating shaft with rodmeter, and rotating shaft is arranged in the chute of loam cake, and sensor push rod and door pillar are slidingly connected.Left-hand door post 111, right door pillar 113 can connect by butterfly template 112, and butterfly template 112 is slidingly connected with loam cake, and right door pillar cooperates with the latch nook 114 that covers on is fixed on.Gear train is made up of interconnective motor 103 and gear set 104, and gear set is fixed on the side of rolling wheel support 117.The movement upper end is provided with platen support 108, and platen support 108 1 ends are provided with Ka Tai, and Ka Tai matches with the targeting part of location, left side slide plate.The movement both sides are provided with two stationary shaft 101,102.The slant range of the targeting part of location, left side slide plate is 65 °-75 °.Adopt the movement of this kind mode, structure is quite complicated, and the transmission process step is many, and the manufacturing accuracy of each required accessory requires high, the assembling difficulty, and cost is higher, and hyperpraxia easily produces maloperation.The movement technique of this kind movement reaches disc by multistage transmission and enters into withdrawing from of disc after read-write discs position and the read-write discs, is easy to generate maloperation, and the read-write precision is bad.Also has a kind of roller inhalation type machine core of large and small disc that can compatiblely use for suction, formula spues, be mainly used in vehicle-mounted diskette machine, contain signaling switch, after the user fills in the snap ring of disc socket with disc, touch the snap ring two ends simultaneously by disc, elastic deformation by the spring on the snap ring makes snap ring open according to the disc size, realizes clamping disc and the compatible purpose of placing of big small disc.This compatible movement with drive unit of disc that has, its snap ring can hold the disc that diameter is 80mm and 120mm, reach the compatible purpose of disc, and its thickness can be less, but its complex structure, especially the transmission position is many, makes the accuracy requirement height, and cost is higher.Particularly, when putting into the disc of 80mm or 120mm, the elastic deformation of the spring on the snap ring makes snap ring open according to the disc size, from left and right directions clamping disc, by the elastic force clamping disc between snap ring, disc for energy clamping 80mm, so when the disc of clamping 120mm, disc bears the inside great role power that snap ring applies, disc easy deformation, influence the read-write discs quality, even might be damaged by pressure.The movement technique of this kind movement reaches disc by multistage transmission and enters into withdrawing from of disc after read-write discs position and the read-write discs, is easy to generate maloperation, and the read-write precision is bad, particularly reaches the compatibility of big small disc by snap ring, the disc easy deformation.
Summary of the invention:
Fundamental purpose of the present invention be to provide a kind of simple in structure, adopted two motor drive modes, omitted various transmission process, the simple directly roller inhalation type machine core of transmission process.
Another object of the present invention is to provide a kind of disc not yielding and be damaged, the roller inhalation type machine core of disc good clamping effect.
The 3rd purpose of the present invention is to provide the disc distribution structure of a kind of simple in structure, thin thickness, the compatible part front end of dependence disc to reach the roller inhalation type machine core that large and small disc enters tram and big small disc compatibility effectively.
It is a kind of directly by the movement technique of the roller inhalation type machine core of motor-driven magnetic chuck jacking gear, no multistage transmission that the 4th purpose of the present invention is to provide.
Realize a kind of disc roller inhalation type machine core of the present invention, comprise housing, loam cake, roller bearing, disc left and right sides clamping device, drive unit, signaling switch, on housing, be provided with the socket of putting into disc, roller bearing, disc left and right sides clamping device places in the housing of socket inboard, but disc left and right sides clamping device comprises two clamping limbs that place move left and right in the housing, be connected with spring between two clamping limbs, described drive unit comprises first motor and first gear train that drives the roller bearing rotation, described drive unit also comprises second motor and second gear train, also is provided with the jacking gear that the magnetic chuck that driven by second motor and second gear train moves up and down in movement.When disc is put into, two clamping limbs of disc left and right sides clamping device outwards open, disc touches signaling switch, first motor and first drive mechanism drive roller bearing and rotate, enter into corresponding position up to disc, first motor and the first gear train stop motion, the jacking gear that second motor, second gear train driving magnetic chuck move up and down moves downward, and drives magnetic head and descends.
As improvement of the present invention, below cover plate, be provided with the compatible part of disc, on the compatible part of disc corresponding disc approach axis form with the small disc diameter adapt the small disc accommodation space; On the movement housing, be fixed with the disc pressing plate, on pressing plate, offer the empty avoiding space of magnetic chuck when moving up and down, the avoiding hollow groove of the compatible part of disc when on pressing plate, being provided with the compatible part of disc and moving up and down; Be provided with the ccontaining locating part of the big disk plate that adapts with the big disk plate diameter in below the cover plate or the arbitrary appropriate location below the disc pressing plate, form the big disk plate accommodation space; The disc approach axis of the compatible part front end of disc is provided with big small disc recognition structure, is provided with spring or magnet between compatible part of disc and upper cover plate.When putting into disc, contact big small disc recognition structure, small disc enters into the small disc accommodation space, because the compatible part of disc can move up and down in certain scope, big disk plate lifts compatible part, place the below of pressing plate, spacing by the ccontaining locating part of big disk plate, reach the compatible purpose of small disc greatly.
Described second gear train comprises gear reduction and worm screw, worm screw is contained on the gear output shaft, described jacking gear comprises driving lever, the magnetic chuck supporting plate of being with grinding tooth, tooth engagement on worm screw and the driving lever, driving lever is rotatably connected on housing, magnetic chuck supporting plate is fixed on movement housing appropriate location by extension spring, and magnetic chuck supporting plate is positioned at the driving lever top position.When disc enters into corresponding position, touch another signaling switch, first motor and the first gear drive stop motion, engaging tooth engagement on the worm screw of second motor, the second worm and gear structure and the jacking gear driving lever, the driving lever of jacking gear rotates, drive magnetic chuck supporting plate and move downward, the magnetic chuck descends.
As another improvement of the present invention, described second gear train comprises gear drive, described jacking gear comprises driving lever, the magnetic chuck supporting plate of being with grinding tooth, tooth engagement on gear and the driving lever, driving lever is rotatably connected on housing, magnetic chuck supporting plate is fixed on movement housing appropriate location by extension spring, and magnetic chuck supporting plate is positioned at the driving lever top position.When disc enters into corresponding position, touch another signaling switch, first motor and gear drive stop motion, engaging tooth engagement on the tooth of second motor, second gear drive and the jacking gear driving lever, the driving lever of jacking gear rotates, drive magnetic chuck supporting plate and move downward, the magnetic chuck descends.
As improvement of the present invention, driving lever is rotatably connected on the housing near an end of socket, is free end away from an end of socket, and free end is a circular shape, and described grinding tooth is the worm gear dentation.
As improvement of the present invention, signaling switch comprises first signaling switch and the secondary signal switch that roller bearing rotated when control first motor-driven and disc inserted, the 3rd signaling switch that second motor driver started when the control small disc inserted, the 4th signaling switch that second motor driver started when the control big disk plate inserted, first signaling switch and secondary signal switch polyphone, the 3rd signaling switch places on the compatible part of disc, and first signaling switch, secondary signal switch, the 4th signaling switch place the appropriate location in the movement.When putting into disc, the edge of disc opens left and right sides clamping limb, touch first and second signaling switches simultaneously, first motor and the motion of first gear train, the drive roller bearing rotates, when disc enters into the appropriate location, contact big small disc recognition structure, small disc enters into the small disc accommodation space, touches the 3rd signaling switch on the compatible part of disc, first motor and the first gear drive stop motion, second motor, engaging tooth engagement on the gear of second gear drive and the jacking gear driving lever, the driving lever of jacking gear rotates, and drives magnetic chuck supporting plate and moves downward, and the magnetic chuck descends; When putting into big disk plate, because the compatible part of disc can move up and down in certain scope, big disk plate lifts compatible part, places the below of pressing plate, and is spacing by the ccontaining locating part of big disk plate, touch the 4th signaling switch, first motor and the first gear drive stop motion, the gear of second motor, second gear drive and the engagement of the engaging tooth on the jacking gear driving lever, the driving lever of jacking gear rotates, drive magnetic chuck supporting plate and move downward, the magnetic chuck descends.
As improvement of the present invention, signaling switch also is included in appropriate location in the movement and is provided with the 5th signaling switch that control second motor that the position of driving lever under moving to can touch stops operating, driving lever moves to upper/lower positions, contact the 5th signaling switch, second motor stops operating, and the magnetic chuck moves under the effect of magnetic force or elastic force and reads to coil the position.
As improvement of the present invention, the small disc accommodation space is provided with the arc back-up ring that diameter is a bit larger tham or equals the small disc diameter for the both sides at the compatible part front end of disc, the radian of the arc back-up ring on both sides is less than or equal to the circular arc of half small disc, the position corresponding with compatible part has and can hold the groove of compatible part on pressing plate, and the disc distribution structure is guiding surface or the guiding circular arc face that forms between the back-up ring front end face that develops and lower surface.When inserting small disc, touch the guiding surface or the guiding circular arc face that form between back-up ring front end face and lower surface, small disc enters in the arc back-up ring of the compatible part of disc, because the compatible part of disc can move up and down in certain scope, big disk plate lifts compatible part, place the below of pressing plate, spacing by the ccontaining locating part of big disk plate, reach the compatible purpose of small disc greatly.
As improvement of the present invention, roller bearing, housing socket edge are provided with the flexible material that prevents to damage disc.The damage of disc when flexible material can effectively reduce disc and inserts repeatedly.
Realize a kind of roller inhalation type machine core of the present invention, have two drive motor, do not need complicated transmission process, omitted various drive disk assembly, reduced the manufacturing accuracy of drive disk assembly, make that cassette mechanism structure is simple, movement thin, easy to use, noise is little, cost is lower, big small disc compatiblely uses, the read-write discs quality is good.
Description of drawings:
Fig. 1 is existing cassette mechanism structure synoptic diagram.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of the embodiment of the invention.
Fig. 3 is the stereographic map that upper cover plate is looked up.
Fig. 4 is a vertical view of the present invention.
Fig. 5 be during into and out of the dish state Fig. 4 along the B-B cut-open view.
Fig. 6 be when reading the dish state Fig. 4 along the B-B cut-open view.
Embodiment:
As shown in Figures 1 to 4, a kind of disc roller inhalation type machine core, comprise housing 1, loam cake 2, roller bearing 3, disc left and right sides clamping device, drive unit, signaling switch, on housing 1, be provided with the socket 4 of putting into disc, roller bearing 3, disc left and right sides clamping device places in the housing 1 of socket 4 inboards, but disc left and right sides clamping device comprises two clamping limbs 5 that place move left and right in the housing 1,5 of two clamping limbs are connected with spring 6, signaling switch comprises first signaling switch 27 and the secondary signal switch 28 that roller bearing 3 rotated when control first motor, 7 drivings and disc inserted, the 3rd signaling switch 29 that second motor, 12 drive units started when the control small disc inserted, the 4th signaling switch 30 that second motor, 12 drive units started when the control big disk plate inserted, first signaling switch 27 and secondary signal switch 28 polyphones, the 3rd signaling switch 29 places on the compatible part of disc, first signaling switch 27, secondary signal switch 28, the 4th signaling switch 30 places the appropriate location in the movement; Signaling switch also is included in appropriate location in the movement and is provided with the 5th signaling switch 31 that control second motor 12 that the position of driving lever under moving to can touch stops operating; Drive unit comprises first motor 7 and first worm gear 8 and the worm screw 9 that drives roller bearing 3 rotations, also comprise second motor 12 and gear reduction 10 and worm screw 11, in movement, also be provided with the jacking gear that the magnetic chuck 13 that driven by second motor 12 and gear reduction 10 and worm screw 11 moves up and down, jacking gear comprises the driving lever 21 of being with grinding tooth, magnetic chuck supporting plate 22, worm screw 11, driving lever 21 is rotatably connected on the housing 1 near an end of socket 4, end away from socket 4 is a free end 25, free end 25 is a circular shape 26, described grinding tooth is the worm gear dentation, described worm screw 11 is contained on 12 in second motor, engaging tooth 23 engagements on worm screw 11 and the driving lever 21, driving lever 21 is rotatably connected on housing 1, magnetic chuck supporting plate 22 is fixed on movement housing 1 appropriate location by extension spring 24, and magnetic chuck supporting plate 22 is positioned at driving lever 21 top positions; Below cover plate, be provided with the compatible part 14 of disc, on the compatible part 14 of disc corresponding disc approach axis form with the small disc diameter adapt small disc accommodation space 15; On movement housing 1, be fixed with disc pressing plate 16, on pressing plate 16, offer the empty avoiding space of magnetic chuck 13 when moving up and down, the avoiding hollow groove 17 of the compatible part 14 of disc when on pressing plate 16, being provided with the compatible part 14 of disc and moving up and down; Be provided with the ccontaining locating part 18 of the big disk plate that adapts with the big disk plate diameter in below the cover plate 2 or arbitrary appropriate location below the disc pressing plate 16, form the big disk plate accommodation space; The disc approach axis of compatible part 14 front ends of disc is provided with big small disc recognition structure 19, is provided with spring 20 between compatible part 14 of disc and loam cake 2 plates; Roller bearing 3, housing 1 socket 4 edges are provided with the flexible material that prevents to damage disc, the damage of disc when flexible material can effectively reduce disc and inserts repeatedly; The small disc accommodation space is provided with the arc back-up ring that diameter is a bit larger tham or equals the small disc diameter for the both sides at the compatible part front end of disc, the radian of the arc back-up ring on both sides is less than or equal to circular arc half, the position corresponding with compatible part has and can hold the groove of compatible part on pressing plate, and the disc distribution structure is guiding surface or the guiding circular arc face that forms between the back-up ring front end face that develops and lower surface.
When socket 4 is put into disc, the edge of disc opens left and right sides clamping limb 5, touch first signaling switch 27 and secondary signal switch 28 simultaneously, first worm-and- wheel gear 8,9 motions, driving roller bearing 3 rotates, when disc enters into the appropriate location, contact big small disc recognition structure 19, small disc enters into small disc accommodation space 15, place the below of pressing plate 16, touch the 3rd signaling switch 29 on the compatible part of disc, first motor 7 and first worm gear 8 and worm screw 9 stop motions, second motor 12, engaging tooth 23 engagements on gear of gear reduction 10 and worm screw 11 and the jacking gear driving lever, the driving lever 21 of jacking gear rotates, drive magnetic chuck supporting plate 22 and move downward, magnetic chuck 13 descends; When putting into big disk plate, because the compatible part 14 of disc can move up and down in certain scope, big disk plate lifts compatible part, places the below of pressing plate 16, and is spacing by the ccontaining locating part of big disk plate 18, touch the 4th signaling switch 30, first motor 7 and the first gear drive stop motion, the gear of second motor 12, second gear drive and 23 engagements of the engaging tooth on the jacking gear driving lever, the driving lever of jacking gear rotates, drive magnetic chuck supporting plate 22 and move downward, magnetic chuck 13 descends; Driving lever moves to upper/lower positions, contacts the 5th signaling switch 31, the second motors 12 to stop operating, and magnetic chuck 13 moves under the effect of magnetic force or elastic force and reads to coil the position.
Claims (10)
1. disc roller inhalation type machine core, comprise housing, loam cake, roller bearing, disc left and right sides clamping device, drive unit, signaling switch, on housing, be provided with the socket of putting into disc, roller bearing, disc left and right sides clamping device places in the housing of socket inboard, but disc left and right sides clamping device comprises two clamping limbs that place move left and right in the housing, be connected with spring between two clamping limbs, described drive unit comprises first motor and first gear train that drives the roller bearing rotation, it is characterized in that: described drive unit also comprises second motor and second gear train, also is provided with the magnetic chuck that is driven by second motor and second gear train jacking gear that moves up and down in movement.
2. a kind of disc roller inhalation type machine core as claimed in claim 1 is characterized in that: below cover plate, be provided with the compatible part of disc, on the compatible part of disc corresponding disc approach axis form with the small disc diameter adapt the small disc accommodation space; On the movement housing, be fixed with the disc pressing plate, on pressing plate, offer the empty avoiding space of magnetic chuck when moving up and down, the avoiding hollow groove of the compatible part of disc when on pressing plate, being provided with the compatible part of disc and moving up and down; Be provided with the ccontaining locating part of the big disk plate that adapts with the big disk plate diameter in below the cover plate or the arbitrary appropriate location below the disc pressing plate, form the big disk plate accommodation space; The disc approach axis of the compatible part front end of disc is provided with big small disc recognition structure, is provided with spring or magnet between compatible part of disc and upper cover plate.
3. a kind of disc roller inhalation type machine core as claimed in claim 2, it is characterized in that: described second gear train comprises gear reduction and worm screw, worm screw is contained on the gear output shaft, described jacking gear comprises driving lever, the magnetic chuck supporting plate of being with grinding tooth, tooth engagement on worm screw and the driving lever, driving lever is rotatably connected on housing, and magnetic chuck supporting plate is fixed on movement housing appropriate location by extension spring, and magnetic chuck supporting plate is positioned at the driving lever top position.
4. a kind of disc roller inhalation type machine core as claimed in claim 2, it is characterized in that: described second gear train comprises gear drive, described jacking gear comprises driving lever, the magnetic chuck supporting plate of being with grinding tooth, tooth engagement on gear and the driving lever, driving lever is rotatably connected on housing, magnetic chuck supporting plate is fixed on movement housing appropriate location by extension spring, and magnetic chuck supporting plate is positioned at the driving lever top position.
5. a kind of disc roller inhalation type machine core as claimed in claim 3 is characterized in that: driving lever is rotatably connected on the housing near an end of socket, is free end away from an end of socket, and free end is a circular shape, and described grinding tooth is the worm gear dentation.
6. as the described disc slot-in core mechanism of the arbitrary claim of claim 2 to 5, it is characterized in that: signaling switch comprises first signaling switch and the secondary signal switch that roller bearing rotated when control first motor-driven and disc inserted, the 3rd signaling switch that second motor driver started when the control small disc inserted, the 4th signaling switch that second motor driver started when the control big disk plate inserted, first signaling switch and secondary signal switch polyphone, the 3rd signaling switch places on the compatible part of disc, first signaling switch, the secondary signal switch, the 4th signaling switch places the appropriate location in the movement, and signaling switch also is included in appropriate location in the movement and is provided with the 5th signaling switch that control second motor that the position of driving lever under moving to can touch stops operating.
7. a kind of disc roller inhalation type machine core as claimed in claim 6, it is characterized in that: the small disc accommodation space is provided with the arc back-up ring that diameter is a bit larger tham or equals the small disc diameter for the both sides at the compatible part front end of disc, the radian of the arc back-up ring on both sides is less than or equal to the circular arc of half small disc, the position corresponding with compatible part has and can hold the groove of compatible part on pressing plate, and the disc distribution structure is guiding surface or the guiding circular arc face that forms between the back-up ring front end face that develops and lower surface.
8. a kind of disc roller inhalation type machine core as claimed in claim 7 is characterized in that: be provided with the flexible material that prevents to damage disc at roller bearing, housing socket edge
9. the movement technique of a disc roller inhalation type machine core, when disc enters, when disc is inserted into the first electric motor starting signaling switch position, first electric motor starting, the driving roller bearing rotates, the drive disc enters, it is characterized in that: when disc enters into the first motor stop switch position, first motor stops operating, second motor rotates, the jacking gear that drive magnetic chuck moves up and down moves downward, and the magnetic chuck drops to certain position and stops operating, and the effect of magnetic force is taken the magnetic chuck to the read-write discs position.
10. the movement technique of a kind of disc roller inhalation type machine core as claimed in claim 9, it is characterized in that: when socket is put into disc, the edge of disc opens left and right sides clamping limb, touch first signaling switch and secondary signal switch simultaneously, first motor and the motion of first worm-and-wheel gear, the drive roller bearing rotates, roller bearing drives disc and enters, when disc enters into the appropriate location, contact big small disc recognition structure, small disc enters into the small disc accommodation space, touches the 3rd signaling switch on the compatible part of disc, first motor and the first worm-and-wheel gear stop motion, second motor, engaging tooth engagement on gear of gear reduction and worm screw and the jacking gear driving lever, the driving lever of jacking gear rotates, and drives magnetic chuck supporting plate and moves downward, and the magnetic chuck descends; When putting into big disk plate, because the compatible part of disc can move up and down in certain scope, big disk plate lifts compatible part, places the below of pressing plate, and is spacing by the ccontaining locating part of big disk plate, touch the 4th signaling switch, first motor and the first worm-and-wheel gear stop motion, second motor,, gear and the engagement of the engaging tooth on the jacking gear driving lever of gear reduction and worm screw, the driving lever of jacking gear rotates, drive magnetic chuck supporting plate and move downward, the magnetic chuck descends; Driving lever moves to upper/lower positions, contacts the 5th signaling switch, and second motor stops operating, and the magnetic chuck moves under the effect of magnetic force or elastic force and reads to coil the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100266355A CN100388375C (en) | 2004-03-29 | 2004-03-29 | Disc roller suction-type core and its movement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100266355A CN100388375C (en) | 2004-03-29 | 2004-03-29 | Disc roller suction-type core and its movement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1677531A CN1677531A (en) | 2005-10-05 |
| CN100388375C true CN100388375C (en) | 2008-05-14 |
Family
ID=35049986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100266355A Expired - Fee Related CN100388375C (en) | 2004-03-29 | 2004-03-29 | Disc roller suction-type core and its movement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100388375C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121649A (en) * | 1982-12-28 | 1984-07-13 | Sony Corp | Shifting device of disc-like member |
| US4627042A (en) * | 1982-12-28 | 1986-12-02 | Sony Corporation | Loading apparatus for a disc |
| US4695996A (en) * | 1984-04-11 | 1987-09-22 | Pioneer Electronic Corporation | Automatic loading disc player |
| US5467334A (en) * | 1992-08-10 | 1995-11-14 | Samsung Electronics Co., Ltd. | Disk player mechanism |
| JP2003151195A (en) * | 2002-09-18 | 2003-05-23 | Sanyo Electric Co Ltd | Disk drive unit |
| CN2691013Y (en) * | 2004-03-29 | 2005-04-06 | 杨东佐 | Disc rolling axle suetion type movement |
-
2004
- 2004-03-29 CN CNB2004100266355A patent/CN100388375C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121649A (en) * | 1982-12-28 | 1984-07-13 | Sony Corp | Shifting device of disc-like member |
| US4627042A (en) * | 1982-12-28 | 1986-12-02 | Sony Corporation | Loading apparatus for a disc |
| US4695996A (en) * | 1984-04-11 | 1987-09-22 | Pioneer Electronic Corporation | Automatic loading disc player |
| US5467334A (en) * | 1992-08-10 | 1995-11-14 | Samsung Electronics Co., Ltd. | Disk player mechanism |
| JP2003151195A (en) * | 2002-09-18 | 2003-05-23 | Sanyo Electric Co Ltd | Disk drive unit |
| CN2691013Y (en) * | 2004-03-29 | 2005-04-06 | 杨东佐 | Disc rolling axle suetion type movement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1677531A (en) | 2005-10-05 |
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Granted publication date: 20080514 Termination date: 20100329 |