CN1501567A - Stator group regulating structure of main shaft motor of CD player - Google Patents
Stator group regulating structure of main shaft motor of CD player Download PDFInfo
- Publication number
- CN1501567A CN1501567A CNA021488223A CN02148822A CN1501567A CN 1501567 A CN1501567 A CN 1501567A CN A021488223 A CNA021488223 A CN A021488223A CN 02148822 A CN02148822 A CN 02148822A CN 1501567 A CN1501567 A CN 1501567A
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- China
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- stator pack
- adjustment
- spindle motor
- rom device
- device spindle
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Abstract
The invention relates to a regulation structure of the stator assembly of an optical disc machine main shaft motor mainly comprising a plurality of adjustment element and a plurality of screw holes, which are arranged symmetrically on the stator assembly or a mounting plate at equal angles, the adjustment element is supported to the stator assembly and the mounting plate, thus the support degree of the adjustment member can be changed, and the distance between the stator assembly and the mounting plate can be adjusted to accomplish the relative horizontal positioning between the stator assembly and the mounting plate.
Description
Technical field
The invention relates to a kind of structure of CD-ROM device Spindle Motor stator pack, especially specifically is the stator pack adjustment structure about the CD-ROM device Spindle Motor.
Technical background
Commonly use the CD-ROM device Spindle Motor, with reference to Figure 1 and Figure 2, it is typically provided with a carrier 10, an axostylus axostyle 20, a rotator seat 30 and stator group 40.This carrier 10 is provided with a grip slipper 11 can supply the snaps into position CD-RW discsCD-RW; This axostylus axostyle 20 links this carrier 10 and rotator seat 30; This stator pack 40 is fixed in a tubule 41, and a fixing base 42 control that is provided with control circuit is to form alternating magnetic field; And this rotator seat 30 is provided with the alternating magnetic field that an annular magnet 31 can or be responded to this stator pack 40, to drive the rotation of this carrier 10 and CD-RW discsCD-RW simultaneously.
Usually, when above-mentioned carrier 10 tentatively was assembled on this axostylus axostyle 20, these carrier 10 regular meetings formed deflection slightly with respect to this rotator seat 30.Can't with these rotator seat 30 keeping parallelisms, and for fear of the spin balancing and the finished product yield of the deflection influence CD-ROM device of this carrier 10, industry utilizes machined into to grind this carrier 10 acclivitous sides usually, so the thickness of this side carrier 10 will be ground to b by a, thereby make these carrier 10 whole surface energies with respect to this rotator seat 30 keeping parallelisms and spin balancing.Though, the deflected condition of this carrier 10 can be revised, be adjusted to above-mentioned machined into mode, yet it can't revise this stator pack 40 or tubule 41 relative these fixing base 42 formed deflected conditions simultaneously, so that these central siphon 41 crooked deflections that cause this axostylus axostyle 20, carrier 10, rotator seat 30.Moreover, need continuous repetitiousness to test the poised state of this carrier 10 in the process of lapping of above-mentioned machined into mode, thereby make processing procedure too tediously long, moreover excessive destructiveness is ground structural strength and the rotational stabilization that also influences this carrier 10.
In view of this, the present invention improves above-mentioned shortcoming, take to be provided with several and adjust element to support between the stator pack and fixing base of CD-ROM device Spindle Motor, so only need by the degree that supports that changes this adjustment element, the spacing of promptly can nondestructive mode adjusting stator pack and fixing base, and the deflected condition of correction stator pack relative fixed substrate, and finish the spin balancing that mutual horizontal location can be arranged between stator pack and fixing base and make rotor, thereby the present invention can simplify the set-up procedure of stator pack horizontal location really.
Summary of the invention
Main purpose of the present invention provides a kind of stator pack adjustment structure of CD-ROM device Spindle Motor, wherein utilize several to adjust the spacing that element is adjusted stator pack and fixing base, to revise the deflected condition of stator pack relative fixed substrate, make the present invention have the effect of acceleration and simplification stator pack horizontal location set-up procedure.
Secondary objective of the present invention provides a kind of stator pack adjustment structure of laser disc rock machine Spindle Motor, wherein utilize several to adjust elements several screws of arranging in pairs or groups, to adjust the spacing of stator pack and fixing base, and the deflected condition of correction stator pack relative fixed substrate, make the present invention have the effect of acceleration and simplification stator pack horizontal location set-up procedure.
Another object of the present invention provides a kind of stator pack adjustment structure of CD-ROM device Spindle Motor, wherein utilize several to adjust the spacing that element is adjusted tubule and fixing base, to revise the deflected condition of central siphon and stator seat relative fixed substrate, make the present invention have the effect of acceleration and simplification stator pack horizontal location set-up procedure.
The object of the present invention is achieved like this:
A kind of stator pack adjustment structure of CD-ROM device Spindle Motor is provided, it is characterized in that, comprise at least one and adjust element, this adjustment element can support between a stator group and a fixing base, so nationality is by the degree that supports that changes this adjustment element, can be for spacing and the deflected condition of revising, adjust this stator pack and fixing base, to finish the relative horizontal location between this stator pack and fixing base.And
This adjustment element is a screw.
This adjustment element is a plurality of cylinders of different length.
Several flexible members that this adjustment element is different coefficient of elasticity.
This adjustment element is to be made by metal, alloy or plastic cement.
This adjustment element is fixed in the mode of welding, hot melt, some glue.
This stator pack is provided with several screws of establishing for this adjustment element spiral shell in addition, and so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to adjust the spacing of this stator pack and this fixing base.
These several screws are equal angular being symmetricly set on this stator pack.
These several screws are to be located on the central portion of this stator pack.
These several screws are to be arranged on several poles of this stator pack.
This fixing base is provided with several screws in addition and establishes for this adjustment element spiral shell, and so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to adjust the spacing of this stator pack and fixing base.
These several screws are equal angular being symmetricly set on this fixing base.
The upper limb of these several screws, lower edge are provided with a flange in addition.
This adjustment element is to support on a central portion of this stator pack.
This adjustment element is to support on several poles of this stator pack.
This stator pack is sheathed on a central siphon, this central siphon is provided with a bulge loop in addition to have several screws and establishes for this adjustment element spiral shell, so be located at the degree of this screw, to revise the askew status of this central siphon, for the spacing of adjusting this stator pack and fixing base by changing this adjustment element spiral shell.
This screw is on the equal angular bulge loop that is symmetricly set in this central siphon.
The upper limb of this screw, lower edge are provided with a flange in addition.
This stator pack is to establish several through holes in addition to screw that should central siphon, establishes degree for the spiral shell of adjusting this adjustment element.
This stator pack is sheathed on a central siphon, this central siphon is provided with a bulge loop in addition, and the fixing base of this bulge loop below is provided with several screws, establish for this adjustment element spiral shell, so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to revise the askew status of this central siphon, for the spacing of adjusting this stator pack and fixing base.
This screw is on the equal angular fixing base that is symmetricly set in this bulge loop below.
The upper limb of this screw, lower edge are provided with a flange in addition.
Compared with prior art, advantage of the present invention and good effect are:
Because the stator pack adjustment of CD-ROM device Spindle Motor of the present invention structure, it mainly is to comprise several to adjust element and several screws.This screw selects equal angles to be symmetricly set on a stator group or the fixing base, this adjustment element then spiral shell is located in this screw to keep out between this stator pack and fixing base, so by the degree that supports that changes this adjustment element, can adjust the spacing of this stator pack and fixing base, to finish the relative horizontal location between this stator pack and fixing base.Grind carrier compared to commonly using the CD-ROM device Spindle Motor by destructive machined into mode, it can't revise the deflected condition of stator pack and central siphon, and can't shorten processing procedure and influence easily shortcoming such as structural strength, the stator pack adjustment of CD-ROM device Spindle Motor of the present invention structure can be finished relative horizontal location between this stator pack and fixing base in nondestructive mode really, and has acceleration and simplify the effect of stator pack horizontal location set-up procedure.
Description of drawings
Fig. 1 commonly uses the assembled sectional view before the CD-ROM device Spindle Motor carries out the balance adjustment;
Fig. 2 commonly uses the CD-ROM device Spindle Motor and carries out the adjusted assembled sectional view of balance;
The exploded perspective view of the stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 3 first embodiment of the invention;
The stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 4 first embodiment of the invention carries out the assembled sectional view before balance is adjusted;
The stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 5 first embodiment of the invention carries out the adjusted assembled sectional view of balance;
The assembled sectional view of the stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 6 second embodiment of the invention;
The exploded perspective view of the stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 7 third embodiment of the invention;
The assembled sectional view of the stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 8 third embodiment of the invention;
The assembled sectional view of the stator pack adjustment structure of the CD-ROM device Spindle Motor of Fig. 9 fourth embodiment of the invention.
The piece number explanation:
10 carriers, 11 grip slippers, 12 sliding-proof pads
20 axostylus axostyles, 30 rotator seats, 31 annular magnets
40 stator pack, 401 screws, 402 central portions
403 poles, 404 through holes, 41 central siphons
411 screws, 412 bulge loops, 42 fixing bases
421 screws, 422 flanges, 423 screws
424 flanges 43 are adjusted element 43 ' and are adjusted element
43 " adjust element 44 gaps
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment of the present invention cited below particularly, and cooperate appended graphicly, be described in detail below:
Fig. 3 discloses the exploded perspective view of stator pack adjustment structure of the CD-ROM device Spindle Motor of first embodiment of the invention; The stator pack adjustment structure that Fig. 4 discloses the CD-ROM device Spindle Motor of first embodiment of the invention carries out the preceding assembled sectional view of balance adjustment; The stator pack adjustment structure that Fig. 5 discloses the CD-ROM device Spindle Motor of the present invention's first enforcement carries out the adjusted assembled sectional view of balance; Fig. 6 discloses the assembled sectional view of stator pack adjustment structure of the CD-ROM device Spindle Motor of second embodiment of the invention; Fig. 7 discloses the exploded perspective view of stator pack adjustment structure of the CD-ROM device Spindle Motor of third embodiment of the invention; The 8th figure discloses the assembled sectional view of stator pack adjustment structure of the CD-ROM device Spindle Motor of third embodiment of the invention; And Fig. 9 discloses the assembled sectional view of stator pack adjustment structure of the CD-ROM device Spindle Motor of fourth embodiment of the invention.
The part member of the stator pack adjustment structure of CD-ROM device Spindle Motor of the present invention is same as the structure of commonly using the CD-ROM device Spindle Motor of prior art, thereby both same sections employing same reference numbers signs, and its structure and function are no longer given in detail and being given unnecessary details.
As shown in Figure 3, the stator pack adjustment of the CD-ROM device Spindle Motor of first embodiment of the invention structure mainly is to comprise several to adjust element 43 and several screws 401.This screw 401 is equal angular to be symmetricly set on the central portion 402 of stator group 40, and these adjustment element 43 spiral shells are located in this screw 401, to support in 42 of this stator pack 40 and fixing bases, so the present invention only needs by the degree that supports that changes this adjustment element 43, get final product the spacing of this stator pack 40 of rapid adjustment and fixing base 42, to finish the relative horizontal location of 42 of this stator pack 40 and fixing bases.
Fig. 3 is to shown in Figure 5 for another example, and the stator pack adjustment of first embodiment of the invention structure is several to be set adjust element 43 and several screws 401 in a CD-ROM device Spindle Motor.This CD-ROM device Spindle Motor is to comprise a carrier 10, an axostylus axostyle 20, a rotator seat 30 and stator group 40, and this carrier 10 can be combined into one with this axostylus axostyle 20 and rotator seat 30, and the alternating magnetic field that produced by this stator pack 40 drives; This adjustment element 43 is preferably a screw, and it is can select to be made by metal, alloy or plastic cement, and can be for being mounted in this stator pack 40 and the fixing base 42 formed gaps 44; And this screw 401 removes on the equal angular central portion 402 that is symmetricly set in this stator pack 40 (for example the isogonism of three screws 401 according to 120 ° can be symmetricly set on this central portion 402), establishes for these adjustment element 43 spiral shells.So, before this stator pack 40 and this carrier 10, axostylus axostyle 20 and rotator seat 30 are combined into one, this adjustment element 43 can via these central portion 402 fronts down spiral shell establish by this screw 101, to support this fixing base 42 fronts, be only to need to be located at the degree (keeping out degree) of this screw 401 via changing these adjustment element 43 spiral shells with the present invention, can adjust the spacing of this stator pack 40 and fixing base 42 fast, to finish the relative horizontal location of 42 of this stator pack 40 and fixing bases really.
As Fig. 4 and shown in Figure 5, when the stator pack adjustment structure of first embodiment of the invention is used in the stator pack 40 of deflection, the user can be before this stator pack 40 and this carrier 10, axostylus axostyle 20 and rotator seat 30 be combined into one, the central portion 402 that adjustment element 43 spiral shells of right quantity are located at this stator pack 40 is down in the screw 401 of deflection one side, so that this adjustment element 43 by these central portion 402 tops down spiral shell establish by this screw 401, for the front that supports this fixing base 42.Simultaneously, establish degree (supporting degree), with quick correction, adjust gap 44 sizes and the deflected condition of this stator pack 40 and fixing base 42, to finish the relative horizontal location of this stator pack 40 and fixing base 42 by changing the spiral shell respectively adjust element 43.After the present invention finishes above-mentioned balance set-up procedure, then be preferably according to this adjustment element material (metal, alloy, plastics) in generation, and select to use modes such as welding, hot melt, some glue to be fixed this adjustment element 43, get loose and avoid this stator pack 40 that deflection takes place once more to prevent this adjustment element 43.
Moreover screw 401 of the present invention is the relative radial positions that can select to be arranged at this stator pack 40 on demand, for example can be arranged on the central portion 402 or the pole 403 outside it of these stator pack 40 inboards.In addition, these carrier 10 upper surfaces also can be provided with a sliding-proof pad 12, to avoid CD-RW discsCD-RW these carrier 10 generation slips relatively when rotated.
As shown in Figure 6, the stator pack adjustment of the CD-ROM device Spindle Motor of second embodiment of the invention structure is in this stator pack 40 and 42 of fixing bases several adjustment element 43 ' and several screws 421 to be set, to adjust the stator pack 40 of deflection.Compared to first embodiment, the screw 421 of second embodiment of the invention is further to select to be arranged on this fixing base 42, and this adjustments element 43 ' then be the selection by these fixing base 42 bottom sides up spiral shell establish by this screw 421, for pole 403 back sides that support this stator pack 40.So, second embodiment of the invention can be established degree (supporting degree) by changing the spiral shell of respectively adjusting element 43 ' equally, with quick correction, adjust gap 44 sizes and the deflected condition of this stator pack 10 and fixing base 42, to finish the relative horizontal location of 42 of stator pack 40 and fixing bases.
Moreover this screw 421 also can select to be arranged at the inboard or the outside of this fixing base 42 on demand, with central portion 402 or the pole 403 that supports this stator pack 40; These screw 421 upper limbs or lower edge then can select to be provided with a flange 422, to strengthen the structure of this screw 421.
With reference to Fig. 7 and shown in Figure 8, the stator pack adjustment of the CD-ROM device Spindle Motor of third embodiment of the invention structure is in this stator pack 40 and 42 of fixing bases several adjustment element 43 and several screws 411 to be set, for adjusting crooked central siphon 41.Compared to first and second embodiment, the screw 411 of third embodiment of the invention is further to select to be arranged on the bulge loop 412 of this central siphon 41, and this adjustments element 43 ' then be select by the screw 411 on this bulge loop 412 down spiral shell establish and pass through this screw 411, for the surface that supports this fixing base 12.So, third embodiment of the invention can be established degree (supporting degree) by changing the spiral shell of respectively adjusting element 43, askew status with this tubule 41 of rapid adjustment, and then revise the deflected condition of this stator pack 40 and fixing base 42, to finish the relative horizontal location of 42 of this stator pack 40 and fixing bases.
Moreover, the stator pack 40 of third embodiment of the invention also can be provided with several through holes 404 to screw 411 that should bulge loop 412, so the user also can utilize instrument to adjust these adjustment elements 43 via this through hole 404 after this stator pack 40 is installed in this central siphon 41 " spiral shell establish degree; These screw 411 upper limbs or lower edge also can select to be convexly equipped with a flange (not illustrating), to strengthen the structure of this screw 411; And this bulge loop 412 is preferably with this central siphon 41 one-body molded.
With reference to shown in Figure 9, the stator pack adjustment of the CD-ROM device Spindle Motor of fourth embodiment of the invention structure is to establish several adjustment elements 43 in this stator pack 40 and 42 of fixing bases " and several screws 423, for adjusting crooked central siphon 41.Compared to first to three embodiment, the screw 423 of fourth embodiment of the invention is further to select on the equal angular fixing base 42 that is symmetricly set in set bulge loop 412 belows of this central siphon 41, and this adjustments element 43 " then be selection by the screw 423 of this fixing base 42 up spiral shell establish by this screw 423, for bulge loop 412 surfaces that support this central siphon 41.So, fourth embodiment of the invention can respectively be adjusted element 43 by changing " spiral shell establish degree (supporting degree); with the askew status of this central siphon 41 of rapid adjustment; and then revise the deflected condition of this stator pack 40 and fixing base 42, to finish the relative horizontal location of 42 of this stator pack 40 and fixing bases.
Moreover screw 423 upper limbs of fourth embodiment of the invention or lower edge also can select to be convexly equipped with a flange 424, to strengthen the structure of this screw 423; And this bulge loop 412 is preferably with this central siphon 41 one-body molded.
In addition, the adjustment element 43,43 ', 43 of various embodiments of the present invention " and any other adjustment structures for the gap 44 of adjusting this stator pack 40 and fixing base 42 of 401,411,421,423 also replaceable one-tenth; several flexible members of for example several cylinders of different length, or different coefficient of elasticity etc.
Refer again to Fig. 1 and shown in Figure 3, the stator pack adjustment structure of CD-ROM device Spindle Motor of the present invention is in stator pack 40 and 42 of fixing bases adjustment element 42 and screw 401 to be set, so only need by the spacing that to adjust stator pack 40 and fixing base 42 that supports that changes adjustment element 43, and revise the deflected condition of stator pack 40 relative fixed substrates 42.Grind carrier 10 compared to commonly using the CD-ROM device Spindle Motor by destructive machined into mode, it can't revise the deflected condition of stator pack and central siphon, and can't shorten processing procedure and influence easily shortcoming such as structural strength, the stator pack adjustment of CD-ROM device Spindle Motor of the present invention structure can be finished the relative horizontal location of 42 of this stator pack 10 and fixing bases in nondestructive mode really, and has acceleration and simplify the effect of stator pack horizontal location set-up procedure.
Though the present invention discloses with full embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing various changes and modification, so protection scope of the present invention is as the criterion when looking the present patent application claim person of defining.
Claims (22)
1, a kind of stator pack adjustment of CD-ROM device Spindle Motor structure, it is characterized in that, comprise at least one and adjust element, this adjustment element can support between a stator group and a fixing base, so nationality is by the degree that supports that changes this adjustment element, can be for spacing and the deflected condition of revising, adjust this stator pack and fixing base, to finish the relative horizontal location between this stator pack and fixing base.
2, the stator pack adjustment of CD-ROM device Spindle Motor is constructed according to claim 1, it is characterized in that this adjustment element is a screw.
3, the stator pack adjustment of CD-ROM device Spindle Motor is constructed according to claim 1, it is characterized in that this adjustment element is a plurality of cylinders of different length.
4, the stator pack adjustment of CD-ROM device Spindle Motor is constructed according to claim 1, it is characterized in that several flexible members that this adjustment element is different coefficient of elasticity.
5, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 1,2,3 or 4, it is characterized in that this adjustment element is to be made by metal, alloy or plastic cement.
6, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 1,2,3 or 4, it is characterized in that this adjustment element is fixed in the mode of welding, hot melt, some glue.
7, the stator pack adjustment of CD-ROM device Spindle Motor is constructed as claimed in claim 1 or 2, it is characterized in that, this stator pack is provided with several screws of establishing for this adjustment element spiral shell in addition, and so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to adjust the spacing of this stator pack and this fixing base.
8, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 7, it is characterized in that these several screws are equal angular being symmetricly set on this stator pack.
9, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 7, it is characterized in that these several screws are to be located on the central portion of this stator pack.
10, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 7, it is characterized in that these several screws are to be arranged on several poles of this stator pack.
11, the stator pack adjustment of CD-ROM device Spindle Motor is constructed as claimed in claim 1 or 2, it is characterized in that, this fixing base is provided with several screws in addition and establishes for this adjustment element spiral shell, so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to adjust the spacing of this stator pack and fixing base.
12, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 11, it is characterized in that these several screws are equal angular being symmetricly set on this fixing base.
13, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 11, it is characterized in that the upper limb of these several screws, lower edge are provided with a flange in addition.
14, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 11, it is characterized in that this adjustment element is to support on a central portion of this stator pack.
15, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 11, it is characterized in that this adjustment element is to support on several poles of this stator pack.
16, the stator pack adjustment of CD-ROM device Spindle Motor is constructed as claimed in claim 1 or 2, it is characterized in that, this stator pack is sheathed on a central siphon, this central siphon is provided with a bulge loop in addition to have several screws and establishes for this adjustment element spiral shell, so be located at the degree of this screw by changing this adjustment element spiral shell, to revise the askew status of this central siphon, for the spacing of adjusting this stator pack and fixing base.
As the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 16, it is characterized in that 17, this screw is on the equal angular bulge loop that is symmetricly set in this central siphon.
18, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 16, it is characterized in that the upper limb of this screw, lower edge are provided with a flange in addition.
As the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 16, it is characterized in that 19, this stator pack is to establish several through holes in addition to screw that should central siphon, establishes degree for the spiral shell of adjusting this adjustment element.
20, the stator pack adjustment of CD-ROM device Spindle Motor is constructed as claimed in claim 1 or 2, it is characterized in that, this stator pack is sheathed on a central siphon, this central siphon is provided with a bulge loop in addition, and the fixing base of this bulge loop below is provided with several screws, establishes for this adjustment element spiral shell, and so nationality is located at the degree of this screw by changing this adjustment element spiral shell, to revise the askew status of this central siphon, for the spacing of adjusting this stator pack and fixing base.
As the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 20, it is characterized in that 21, this screw is on the equal angular fixing base that is symmetricly set in this bulge loop below.
22, as the stator pack adjustment structure of CD-ROM device Spindle Motor as described in the claim 20, it is characterized in that the upper limb of this screw, lower edge are provided with a flange in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021488223A CN1501567A (en) | 2002-11-18 | 2002-11-18 | Stator group regulating structure of main shaft motor of CD player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021488223A CN1501567A (en) | 2002-11-18 | 2002-11-18 | Stator group regulating structure of main shaft motor of CD player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1501567A true CN1501567A (en) | 2004-06-02 |
Family
ID=34233351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021488223A Pending CN1501567A (en) | 2002-11-18 | 2002-11-18 | Stator group regulating structure of main shaft motor of CD player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1501567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386738A (en) * | 2010-08-30 | 2012-03-21 | 日本电产株式会社 | Main shaft motor with rib portion and disc driving device |
-
2002
- 2002-11-18 CN CNA021488223A patent/CN1501567A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386738A (en) * | 2010-08-30 | 2012-03-21 | 日本电产株式会社 | Main shaft motor with rib portion and disc driving device |
| CN102386738B (en) * | 2010-08-30 | 2014-04-02 | 日本电产株式会社 | Main shaft motor with rib portion and disc driving device |
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