CN1347185A - Motor - Google Patents
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- Publication number
- CN1347185A CN1347185A CN 01141163 CN01141163A CN1347185A CN 1347185 A CN1347185 A CN 1347185A CN 01141163 CN01141163 CN 01141163 CN 01141163 A CN01141163 A CN 01141163A CN 1347185 A CN1347185 A CN 1347185A
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- Motor Or Generator Frames (AREA)
- Windings For Motors And Generators (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Respective terminal parts 16a of a plurality of metal wiring boards 16 are arranged in the vicinity of respective terminal parts 15a of a plurality of drive coils 15, arranged in the circumferential direction by arranging the respective terminal parts 16a of a plurality of the metal wiring boards 16 in the same circumferential direction at substantially equal intervals, and the respective terminal parts 15a of the drive coils 15 are connectable easily with the respective terminal parts 16a of the metal wiring boards 16. The continuity parts 16c of the respective metal wiring boards 16 are extended, so as to surround the periphery of the terminal parts 16a, and the plane rigidity of a motor base plate 11, embedded with the metal wiring boards 16 can be improved and perform attaching work of the whole motor efficiently and highly accurately.
Description
Technical field
The present invention relates to a kind of motor, described motor has the structure that drive coil is connected in the metal wiring plate portion of terminal that the motor substrate interior buried underground.
Background technology
Usually, on the motor that heterogeneous drive coil is installed in the stator core, each end portion of drawing from above-mentioned heterogeneous drive coil is welded on the flexible electric circuit board by soldering etc.And just opening in flat 10-127031 communique etc. the spy, the someone has proposed to carry out the motor that drive wire circle end portion is carried out attended operation in than large space.
In the motor that motion is relevant therewith, as shown in figure 11, by inserting ingot mould moulding etc., a plurality of conductive metal distributing boards 2 after the pressure processing, 2 ... be embedded in the inboard of synthetic resin motor substrate 1, these metal wiring plates 2,2 ... each portion of terminal ((commutator) riser) 2a with direction of principal axis be installed on the integrally formed maintaining part unshakable in one's determination 3 of above-mentioned motor substrate 1 in.The motor relevant according to this type of motion can be connected above-mentioned metal wiring plate 2,2 with not shown drive coil end portion in bigger space ... each portion of terminal 2a, also can use simultaneously expensive flexible electric circuit board, can reduce the motor cost.
But, even in above-mentioned existing motion device, also there is following problems, that is: the end portion ring-type of drive coil must be wrapped in metal wiring plate 2,2 ... each portion of terminal 2a side, attended operation is loaded down with trivial details, also is difficult to simultaneously to obtain the required rigidity of synthetic resin system motor substrate 1, so can't be that standard is installed motor, and not only complexity but also maximize of the mounting structure of motor with this motor substrate 1.
Therefore, the objective of the invention is, provide a kind of and realize that by simple structure effective, high accuracy drive coil connects the motor of operation and motor mounting operation.
Summary of the invention
For achieving the above object, the motor relevant in claim 1 is a kind of like this motor: be fixed on and be wound with heterogeneous drive coil in the stator core on the motor substrate, simultaneously, each end portion of these a plurality of drive coils is connected to respectively on each connecting portion of a plurality of metal wiring plates that are embedded in above-mentioned motor substrate inboard, in described motor, each connecting portion of above-mentioned a plurality of metal wiring plates is along circumferentially disposing with proper spacing, simultaneously, above-mentioned a plurality of metal wiring plate is respectively equipped with the conducting portion that export-oriented side is extended from above-mentioned each connecting portion towards radial direction, near whole extension of the relative said stator iron core of these conducting portions, and to a connecting portion convergence setting.
In the relevant motor of claim 2, aforesaid right requires each connecting portion of 1 described a plurality of metal wiring plates to be made of near a plurality of portion of terminal each end portion that extends to above-mentioned heterogeneous drive coil, and above-mentioned a plurality of each portion of terminal edge are circumferentially with roughly equi-spaced apart configuration.
In the relevant motor of claim 3, each connecting portion that aforesaid right requires a plurality of metal wiring plates of 1 is made of a plurality of shoulder portion that is formed at respectively on above-mentioned each conducting portion, and above-mentioned a plurality of each shoulder portion are along circumferentially disposing with appropriate intervals.
In the relevant motor of claim 4, aforesaid right requires 1 described metal wiring plate conducting portion to be formed by plate-like members, the conducting portion one distolateral bending that above-mentioned each portion of terminal of while is being formed by above-mentioned flat part member.
In the relevant motor of claim 5, the motor substrate of aforesaid right requirement 1 is provided with the motor mounting datum level.
In claim 6,7 motor of being correlated with, the motor substrate of aforesaid right requirement 1 is established as other motor substrate relay substrate of double as, the motor substrate that forms as this relay substrate is provided with other motor splicing ear, and the above-mentioned metal wiring plate conducting portion that above-mentioned motor substrate is connected on above-mentioned other motor splicing ears extends, and above-mentioned conducting portion is towards above-mentioned connecting portion convergence arrangement.
In the relevant motor of claim 8, it is textural that the connecting portion of the metal wiring plate of aforesaid right requirement 1 is formed at outside connecting connector.
In the associated motor of claim 9, the conducting portion of the metal wiring plate of aforesaid right requirement 1 is formed by plate-like members, a plurality of conducting portion opposite faces extend to the roughly whole face of above-mentioned stator core simultaneously, have the effect of strengthening roughly whole of above-mentioned motor substrate.
Have in the claim 1 or the described motor of claim 4 of said structure, the conducting portion opposite face of each metal wiring plate extends to the roughly whole face of stator core, so help to improve the motor substrate plane rigidity of burying the metal wiring plate underground, improved motor integral installation precision.
At this moment, the motor relevant according to claim 2, with equi-spaced apart roughly near each end portion of a plurality of drive coils of circumferentially configuration, dispose a plurality of each portion of terminal of metal wiring plate, each end portion of drive coil can be easily and is connected each portion of terminal of these metal wiring plates effectively.
The motor relevant according to claim 3, each end portion of drive coil can be easily and effectively are connected along circumferentially with each shoulder portions of a plurality of metal wiring plates of appropriate intervals configuration.
The motor relevant as claim 5, if the motor substrate is provided with the motor mounting datum level, then can be easily and high accuracy installation motor.
According to claim 6,7 motor of being correlated with, other motor substrates of the motor substrate double as of establishing as relay substrate use, can use other motor substrates thus, can realize the cost degradation and the miniaturization of single unit system, simultaneously, the above-mentioned metal wiring plate conducting portion that above-mentioned motor substrate is connected the splicing ear that is used for above-mentioned other motor extends, and further improves the planar rigidity of motor substrate with this.
Xiang Guan motor according to Claim 8, connecting portion is installed in the extension end of metal wiring plate conducting portion, and becomes one with it, so can use the connector that is formed by other members, can further reduce cost.
The motor relevant according to claim 9, the conducting portion of above-mentioned metal wiring plate is formed by plate-like members, a plurality of conducting portion opposite faces extend to the roughly whole face of above-mentioned stator core simultaneously, this structure has the almost effect of whole face of the above-mentioned motor substrate of reinforcement, so can further improve the planar rigidity of motor substrate.
Description of drawings
Fig. 1 is for showing the cutaway view that is suitable for CD-ROM drive unit electricity consumption motor construction example of the present invention.
Fig. 2 is a motor substrate part shown in Figure 1 plane key diagram.
Fig. 3 is for amplifying the cutaway view of motor substrate part shown in Figure 1.
Fig. 4 is for amplifying the cutaway view of other examples of connecting portion.
Fig. 5 is the plane key diagram of shape after the metal wiring plate moulded section on the motor substrate shown in Figure 3.
Fig. 6 is for being suitable for other carrier actuator drive electricity consumption motor construction example cutaway views of the present invention.
Fig. 7 is for showing the plane key diagram of motor substrate metal distributing board pressing mold shaping shown in Figure 6 back form.
Fig. 8 is connected the cutaway view of state on the motor substrate for showing other motor leads.
Fig. 9 is connected the end view of state on the motor substrate for showing other motor leads.
Figure 10 is for showing the end view of motor mounting part variation.
Figure 11 is for showing the outward appearance oblique view of present motor substrate.
Among the figure, 10 is stator pack, and 20 is rotor set, D is a device body, and L is a lead, and 11 is the motor substrate, 11a is a motor mounting portion, and 12 is the bearing support, and 12a is a support sector unshakable in one's determination, 13 is metal bearing, and 14 are stator core, and 15 is drive coil, 15a is an end portion, and 16 is metal wiring, and 16a is a portion of terminal, 16b is the terminal bottom, and 16c is a conducting portion, and 16d is a connecting portion, 16e is a splicing ear, and 16f is a through hole, and 16g is a conducting portion, 16h is a shell, and 16I is a connecting portion, and 16m is a shoulder portion, 21 are rotating shaft, and 22 is past returning, and 22b is a rotor casing, 23 for driving magneto (permanent magnet), and 24 is clamping plate portion.
The working of an invention mode
At the spindle drive motor that can be used for various media drive rotating driving devices such as CD-ROM, illustrate to be suitable for example of the present invention below.
The rotary-type media drive drive unit of Figure 1 and Figure 2 axle with spindle drive motor integral body by constituting as the stator pack 10 of fixed component, the rotor set 20 that axially is installed on this stator pack 10 as rotating member.
Wherein, stator pack 10 is provided with the motor substrate 11 that is made of synthetic resin system plate-like members, is installed on datum level 11b on the 11a of motor mounting portion of motor substrate 11 by locating with the butt of body apparatus D side, fixes whole motor simultaneously.
In the substantial middle part of above-mentioned motor substrate 11, be integrally formed with retainer 12 roughly cylindraceous, at described retainer private side, metal bearing 13 is installed as the sliding bearing member.Metal bearing 13 adopts the sintered metal bearing parts, is located in the dead eye of these metal bearing 13 cores, and rotating shaft 21 can be inserted with rotating freely, and obtains radial support.
Above-mentioned rotating shaft 21 is protruded upward from the peristome of the diagram upper end side of above-mentioned metal bearing 13, but diagram end portion in this rotating shaft 21, being provided with becomes the pivot of spherical calotte 21a, be disposed at a contact on the 11c of thrust pad portion that is installed on above-mentioned motor substrate 11 sides by the 21a of this pivot portion, above-mentioned rotating shaft 21 integral body are subjected to radial support.
Again, the territory, radial direction foreign side lateral areas of above-mentioned synthetic resin system retainer 12 is formed at the 12a of support sector unshakable in one's determination, outer circumferential side at the 12a of this iron core support sector, be installed with the stator core 14 that the laminated body by electromagnetic steel plate constitutes, simultaneously in this stator core 14, relatively at it circumferentially with each salient pole portion of equidistant configuration roughly, be wound with drive coil 15 respectively.
At this moment, above-mentioned drive coil 15 is provided with the heterogeneous utmost point, as 3 phases, the end portion 15a that pulls out from these heterogeneous drive coils 15 wound form respectively is connected on each portion of terminal (coil connecting portion) 16a of metal wiring plate 16, and described each portion of terminal is done axially to protrude from the above-mentioned 12a of support sector unshakable in one's determination.Each portion of terminal 16a of metal wiring plate 16 has 4, be arranged to surround around the above-mentioned rotating shaft 21, above-mentioned each portion of terminal 16a as shown in Figure 2, along circumferentially disposing with the approximate equality spacing.
One end of each metal wiring plate 16 that above-mentioned 4 portion of terminal 16a will be made of the tabular electroconductive member respectively bends to nearly rectangular shaped, and the terminal bottom 16b that is connected each portion of terminal 16a Fig. 1 lower end side is embedded in the inside of the above-mentioned 12a of support sector unshakable in one's determination.Above-mentioned 4 terminals bottom 16b axially extends towards Fig. 1 below by the inside of the above-mentioned 12a of support sector unshakable in one's determination, this each terminal bottom 16b diagram end portion becomes nearly right angle towards the radius outside curve, is communicated with and is integral with conducting portion 16c in being embedded in above-mentioned motor substrate 11.On the surface of the above-mentioned motor substrate 11 that comprises above-mentioned conducting portion 16c upper surface, be coated with the insulating component that constitutes by dielectric film and external coating etc.
Like this, 4 conducting portion 16c that are linked to 4 terminal bottom 16b respectively become radial and extend to radius foreign side side, afterwards, surround above-mentioned each portion of terminal 16a around, an almost whole extension of said stator iron core 14 relatively, at last, convergence arrangement is installed in the 16d of connector portion of the connecting portion at a position in conduct.
On the other hand, the motor substrate 11 in this example can be used as the relay substrate use that other motor substrates are used, and on the motor substrate of establishing as relay substrate 11, is provided with the splicing ear 16e that connects other motor, 16e.And the couple of conductor L that draws from above-mentioned other motor passes in the through hole 16f that is formed on the motor substrate 11 from inboard (side below Fig. 1), contacts with above-mentioned splicing ear 16e, 16e, connects by scolding tin respectively.
Again, from extending of above-mentioned a pair of splicing ear 16e, 16e conducting portion 16g, the 16g the same with the conducting portion 16c of above-mentioned metal wiring plate 16, these conducting portions 16g, 16g convergence arrangement are in the connecting portion 16d at an above-mentioned place respectively.
Each 16d of connector portion that is located at metal wiring plate 16 conducting portion 16c fore-ends is Fig. 3 or female mould structure shown in Figure 4, becomes to surround the interior chimeric 16i of connector portion that offside formpiston structure is arranged of shell 16h of the 16d of this connector portion outside shape setting.
During metal wiring plate 16 that manufacturing is integrated in one each one such as above-mentioned portion of terminal 16a, terminal bottom 16b, conducting portion 16c, 16g, the 16h of connector portion and splicing ear 16e, at first carry out the moulded section of flat shape as shown in Figure 5.Afterwards, portion of terminal 16a installs behind the nearly right angle orientation bending forming with terminal bottom 16b.The original unwanted enhancing 16j of portion cuts by die-cut.Metal wiring plate 16 is installed on assigned position in the mould, with the motor substrate 11 that comprises above-mentioned bearing support 12, does one-body molded by interpolation type or outside plug type mould.After the moulding, cut last remaining other ribs 16k by cut off or die-cut etc.
Return Fig. 1 again, projection above above-mentioned rotating shaft 21, be fixed with suborbiculate toward returning 22 center ring-type installation portion 22a, simultaneously be installed in this toward 22 bottom surface sides of returning outer transition ware shape rotor casing 22b the most peripheral part, be provided with cylindric wall 22c circlewise, at the inner peripheral surface of this cylindric wall 22c, driving magneto (permanent magnet) 23 equally circlewise is installed.Along the driving excitation face that inside and outside two side faces of this annular drive magneto 23 form, install near each salient pole portion of said stator iron core 14 from radial direction foreign side side.
, be provided with toward returning 22 diagram upper face side above-mentioned as the clamping plate portion 24 that drives mounting portion again.This clamping plate portion 24 inserts the above-mentioned outside toward 22 the center ring-type installation portion 22a of returning, and fixing, and by passing not shown record carrier driver installing hole, this record carrier driver integral body is being installed under the radial location state in this clamping plate portion 24.
Motor according to this example with said structure, along near circumferentially with each end portion 15a of a plurality of drive coils 15 of equi-spaced apart configuration, dispose each portion of terminal 16a of a plurality of metal wiring plates 16, its result, each end portion 15a of drive coil 15 can be easily and are connected in each portion of terminal 16a of above-mentioned metal wiring plate 16 effectively.
Because the conducting portion 16c of above-mentioned each metal wiring plate 16 is the ambient state ground that surrounds above-mentioned portion of terminal 16a, opposite face extends to the almost whole face of stator core 14, therefore, can be embedded with the planar rigidity of the motor substrate 11 of metal wiring plate 16 with raising by disposing above-mentioned a plurality of conducting portion 16c, improve the installation accuracy of motor integral body.
At this moment, particularly in this example, because motor substrate 11 is provided with motor mounting datum level 11a, so can be easily and carry out the motor mounting operation accurately.
Moreover, in the motor of this example, the motor substrate of establishing as relay substrate 11 can be also used as the substrate of other motor, so can refill other motor substrates, whole as device, can reduce cost and realize miniaturization, can further improve the planar rigidity of motor substrate 11 simultaneously.
In the motor of this example, the integrated elongated end part that is installed in the conducting portion 16c of metal wiring plate 16 of the 16d of connector portion, so can use the connector that is made of other members, its result can further reduce cost.
On the other hand, mark the example of Figure 6 and Figure 7 of the structural elements of corresponding above-mentioned example with prosign, the almost whole face of each conducting portion 16c relative stator iron core 14 of metal wiring plate 16 extends, and convergence arrangement is in the 16d of connector portion as a connecting portion, in this, identical with above-mentioned example, but, be respectively equipped with the 16m of shoulder portion that constitutes the sub-connecting portion of coil at the mid portion of each conducting portion 16c.With the appropriate intervals configuration, each terminal part of above-mentioned drive coil 15 is welded on respectively on the 16m of this shoulder portion the 16m of these shoulder portions along circumferentially.When the above-mentioned shoulder 16m of portion is carried out weld job, be located at the above-mentioned motor substrate 11 lip-deep insulating components that constitute by dielectric film and outer coating etc. and partly removed in above-mentioned relatively each 16m of shoulder portion part.
Even have in the motor of example of this kind structure, because the whole face of each conducting portion relative stator iron core 14 of metal wiring plate 16 extends, so can improve the planar rigidity of the motor substrate 11 that is embedded with metal wiring plate 16 and the installation accuracy of whole motor, simultaneously, each end portion 15a of drive coil 15 can be easily and is connected effectively along on the circumferential face of respectively the takeing on 16m with a plurality of metal wiring plates 16 of equi-spaced apart configuration, can obtain and above-mentioned example effect and effect much at one.
Example shown in Figure 7 is the plane key diagram of the shapes after the moulded section of metal wiring plate such as each conducting portion 16c of demonstration metal wiring plate 16, and this figure shows each conducting portion 16c connection status.And in implementing user mode, identical with the example of each conducting portion 16c of metal wiring plate 16 shown in Figure 2, be cut off respectively at necessary position.
Below understand specifically and made the working of an invention form, but the present invention is not limited in above-mentioned example, in the scope that does not break away from the invention aim various distortion can be arranged by the inventor.
For example, in above-mentioned each example, the resin portion of motor substrate 11 is arranged with the 11a of motor mounting portion, and metal wiring plate 16 sides also are provided with motor mounting portion, after moulding, also can cut away this motor mounting portion from the conducting portion of metal wiring plate 16.
As Fig. 8 and shown in Figure 9, in the time of on the surface that other motor leads L is welded on motor substrate 11, also can connect upper and lower any side at motor substrate 11 again.
Have again, also can be as shown in figure 10, in the marginal portion of metal wiring plate 16, form claw 16n crooked, that erect, and this claw 16n is inserted motor mounting plate 11c side,, be fixed by pressure or soldering etc.
In above-mentioned example, the present invention is applicable to CD-ROM drive drive unit spindle drive motor, but the present invention is not limited to this, equally also is applicable to various carrier drivers such as hard disk, floppy drive, DVD are carried out drive electric motor and other various motor.
Be suitable for the metal bearing that sliding bearing member of the present invention is not limited in above-mentioned each example, equally also be applicable to and use the device that utilizes lubricating fluid dynamic pressure bearing member.
As mentioned above, the almost whole face of motor relative stator iron core of claim 1 or claim 4 extends from the conducting portion of metal wiring plate, improve the planar rigidity of the motor substrate of burying this metal wiring plate underground with this, effectively and accurately carry out motor integral installation operation, so can simple structure carry out the installation exercise that drive coil connects operation and motor, can low-costly obtain good motor characteristic.
The motor of claim 2, each portion of terminal by near a plurality of metal wiring plates of configuration circumferential a plurality of each end portion of drive coil that dispose with equi-spaced apart in edge, can be easily and effectively each end portion of drive coil is connected each portion of terminal of metal wiring plate, so can improve the connection operation of drive coil.
The motor of claim 3 can be easily and effectively each end portion of drive coil is connected in along in circumferential each shoulder portion of a plurality of metal wiring plates with the appropriate intervals configuration, so can improve the connection operation of drive coil.
The motor of claim 5 is provided with the motor mounting datum level on the motor substrate, so can be easily and carry out the motor mounting operation accurately.
Claim 6,7 motor can be also used as other motor substrates, can abandon other motor substrates thus, seek low cost and miniaturization, further improve the planar rigidity of electronic substrate simultaneously.
The motor of claim 8 can use the connector that is made of other members at the integrated connecting portion that is equipped with of the fore-end of the conducting portion of metal wiring plate, so can further reduce cost.
Claim 9 associated motor, the conducting portion of above-mentioned metal wiring plate is made of plate-like members, the almost whole face of the relative said stator iron core of a plurality of conducting portions extends simultaneously, has the almost whole face effect of the above-mentioned motor of reinforcement, so can further improve the planar rigidity of motor substrate.
Claims (9)
1, a kind of motor, it is characterized in that, be fixed on and twine heterogeneous drive coil in the stator core on the motor substrate, each end portion of these heterogeneous drive coils is connected to each coil connecting portion of a plurality of metal wiring plates that are embedded in above-mentioned motor substrate interior side simultaneously; With the proper spacing configuration, above-mentioned a plurality of metal wiring plates are respectively equipped with the conducting portion that export-oriented side is extended from above-mentioned each coil connecting portion along radial direction to each coil connecting portion of above-mentioned a plurality of metal wiring plates simultaneously along circumferentially; Comprehensive extension of the relative said stator iron core of these conducting portions, and towards a connecting portion convergence arrangement.
2, motor according to claim 1, it is characterized in that, each coil connecting portion of above-mentioned a plurality of metal wiring plates is made of near a plurality of portion of terminal each end portion that extends to above-mentioned heterogeneous drive coil, and above-mentioned a plurality of portion of terminal edge is circumferentially with almost equal arranged spaced.
3, motor according to claim 1 is characterized in that, each coil connecting portion of above-mentioned a plurality of metal wiring plates is made of a plurality of shoulder portion that is located at respectively on above-mentioned each conducting portion, and above-mentioned a plurality of each shoulder portion are along circumferentially disposing with appropriate intervals.
4, motor according to claim 1 is characterized in that, the conducting portion of above-mentioned metal wiring plate is made of plate-like members, and above-mentioned each portion of terminal forms at a distolateral warpage of the conducting portion that is made of above-mentioned planar plate members simultaneously.
5, motor according to claim 1 is characterized in that, above-mentioned motor substrate is provided with the motor mounting datum level.
6, motor according to claim 1 is characterized in that, above-mentioned motor substrate can be used as the relay substrate of the motor substrate that is used for other motor, is provided with the splicing ear that other motor are used as the motor substrate of relay substrate.
7, motor according to claim 6 is characterized in that, the conducting portion of above-mentioned metal wiring plate that the motor substrate is connected in the splicing ear of above-mentioned other motor extends, and above-mentioned conducting portion is also towards above-mentioned connecting portion convergence arrangement.
8, motor according to claim 1 is characterized in that, the external connecting of above-mentioned metal wiring plate is arranged on the connector construction.
9, motor according to claim 1, it is characterized in that, the conducting portion of above-mentioned metal wiring plate is made of plate-like members, an almost whole extension of the relative said stator iron core of a plurality of conducting portions simultaneously, and this kind structure has the almost effect of whole face of the above-mentioned motor substrate of reinforcement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP305473/2000 | 2000-10-04 | ||
| JP305473/00 | 2000-10-04 | ||
| JP2000305473A JP3877273B2 (en) | 2000-10-04 | 2000-10-04 | motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1347185A true CN1347185A (en) | 2002-05-01 |
| CN1198372C CN1198372C (en) | 2005-04-20 |
Family
ID=18786325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01141163 Expired - Fee Related CN1198372C (en) | 2000-10-04 | 2001-09-28 | Motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3877273B2 (en) |
| CN (1) | CN1198372C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808851B (en) * | 2004-12-28 | 2010-06-23 | 株式会社日立制作所 | Motor for electric power steering and method for manufacturing the same |
| CN102214965A (en) * | 2010-04-07 | 2011-10-12 | 日本电产株式会社 | Spindle motor and storage disk drive having the same |
| CN101521421B (en) * | 2008-02-26 | 2012-05-09 | 日本电产株式会社 | Motor and disk drive apparatus |
-
2000
- 2000-10-04 JP JP2000305473A patent/JP3877273B2/en not_active Expired - Fee Related
-
2001
- 2001-09-28 CN CN 01141163 patent/CN1198372C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808851B (en) * | 2004-12-28 | 2010-06-23 | 株式会社日立制作所 | Motor for electric power steering and method for manufacturing the same |
| CN101521421B (en) * | 2008-02-26 | 2012-05-09 | 日本电产株式会社 | Motor and disk drive apparatus |
| CN102214965A (en) * | 2010-04-07 | 2011-10-12 | 日本电产株式会社 | Spindle motor and storage disk drive having the same |
| CN102214965B (en) * | 2010-04-07 | 2014-01-01 | 日本电产株式会社 | Spindle motor and storage disk drive having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3877273B2 (en) | 2007-02-07 |
| CN1198372C (en) | 2005-04-20 |
| JP2002119002A (en) | 2002-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NIDEC SANKYO CORP. Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Japan, Suwa, Nagano Patentee after: Sankyo Seiki Seisakusho KK Address before: Japan, Suwa, Nagano Patentee before: Sankyo Seiki Manufacturing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050420 Termination date: 20091028 |