JPH06153444A - Supporting structure for rotor of motor - Google Patents

Supporting structure for rotor of motor

Info

Publication number
JPH06153444A
JPH06153444A JP4291431A JP29143192A JPH06153444A JP H06153444 A JPH06153444 A JP H06153444A JP 4291431 A JP4291431 A JP 4291431A JP 29143192 A JP29143192 A JP 29143192A JP H06153444 A JPH06153444 A JP H06153444A
Authority
JP
Japan
Prior art keywords
shaft
rotor
motor
commutator
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4291431A
Other languages
Japanese (ja)
Other versions
JP3087798B2 (en
Inventor
Makoto Orii
誠 折井
Katsuhiko Hayashi
勝彦 林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP04291431A priority Critical patent/JP3087798B2/en
Application filed by Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Priority to DE69318099T priority patent/DE69318099T2/en
Priority to CN 93119703 priority patent/CN1030127C/en
Priority to MYPI93002265A priority patent/MY109947A/en
Priority to EP93117574A priority patent/EP0595344B1/en
Priority to TW082109474A priority patent/TW227078B/zh
Priority to US08/190,588 priority patent/US5528096A/en
Publication of JPH06153444A publication Critical patent/JPH06153444A/en
Application granted granted Critical
Publication of JP3087798B2 publication Critical patent/JP3087798B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To reduce motor noise by suppressing shaking of a shaft for supporting a rotor in a radial direction as much as possible. CONSTITUTION:The supporting structure for a rotor of a motor comprises a shaft 14 for supporting a rotor 3 of a motor 1, and bearings 6, 9 for supporting the shaft 14. An end 14b of the shaft 14 is formed substantially in a conical state, a hole 16 having a tapered part is provided in the bearing 9, and an end of the shaft 14a is supported by the tapered part.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、モータ回転子の支持構
造、詳しくは、回転子を支持する軸受部の構造に関する
ものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor rotor support structure, and more particularly to a structure of a bearing portion for supporting the rotor.

【0002】[0002]

【従来の技術】従来のモータでは、回転子であるロータ
が軸で支持されている。この軸は一方をケースに設けら
れる筒状軸受と、他方を同ケースに形成される有底円筒
部で支持されている。有底円筒部と軸の間には軸が回転
可能となるべくクリアランスが形成されている(実開昭
64−54754参照)。
2. Description of the Related Art In a conventional motor, a rotor, which is a rotor, is supported by a shaft. The shaft is supported on one side by a cylindrical bearing provided on the case and on the other side by a bottomed cylindrical portion formed in the case. A clearance is formed between the bottomed cylindrical portion and the shaft so that the shaft can rotate (see Japanese Utility Model Laid-Open No. 64-54754).

【0003】[0003]

【発明が解決しようとする課題】しかしながら、このよ
うな構成によると、軸と軸受部との間のクリアランス分
だけラジアル方向におけるガタが生じ易く、このガタが
モータノイズの一要因となってしまう。また、このガタ
を少なくしていくと、軸と軸受部が面接触となって回転
抵抗が大きくなるという問題点が残ってしまう。
However, according to such a structure, the play in the radial direction is likely to occur due to the clearance between the shaft and the bearing portion, and this play becomes a factor of motor noise. Further, if this backlash is reduced, there remains a problem that the shaft and the bearing portion are in surface contact with each other and the rotation resistance increases.

【0004】[0004]

【課題を解決するための手段】そこで、請求項1記載の
発明では、モータの回転子を支持する軸と、この軸を支
承する軸受部とを有し、前記軸の先端を略円錐状に形成
すると共に、前記軸受部にテーパ部を有する穴を設け、
前記テーパ部で前記軸の先端を支承した。また、請求項
2記載の発明では、モータの回転子を固定軸で回転自在
に支持し、前記固定軸の先端を整流子片を支持する整流
子ホルダーに設けた軸受部で支持した。
In view of the above, according to the present invention, there is provided a shaft for supporting the rotor of the motor and a bearing portion for supporting the shaft, and the tip of the shaft is formed into a substantially conical shape. Along with the formation, a hole having a tapered portion is provided in the bearing portion,
The tip of the shaft was supported by the taper portion. According to the second aspect of the invention, the rotor of the motor is rotatably supported by the fixed shaft, and the tip of the fixed shaft is supported by the bearing portion provided in the commutator holder that supports the commutator piece.

【0005】[0005]

【作用】請求項1記載の発明においては、軸の先端を略
円錐状とし、かつその軸を支承する軸受部にテーパ部を
有する穴を設け、テーパ穴で上記略円錐状の軸の先端を
支承するので、軸と軸の支承部とが線接触となり、ラジ
アル方向へのガタが無くなる。また、請求項2記載の発
明では、上記円錐状の軸端部を支承するテーパ部穴を有
する軸受部を整流子片を支持する整流子ホルダーに設け
たので、従来のような軸受を個別に設ける必要がなくな
る。
According to the first aspect of the present invention, the tip of the shaft is formed into a substantially conical shape, and the bearing portion for supporting the shaft is provided with a hole having a tapered portion. Since the bearing is supported, the shaft and the bearing of the shaft are in line contact with each other, and there is no play in the radial direction. Further, in the invention according to claim 2, since the bearing portion having the tapered hole for supporting the conical shaft end portion is provided in the commutator holder for supporting the commutator piece, the conventional bearings are individually provided. There is no need to provide it.

【0006】[0006]

【実施例】以下、本発明の実施例を図面を用いて説明す
る。図1において、符号1はモータ本体を示し、このモ
ータ本体1のケース2内には、回転子であるロータ3や
固定子4等の要部が蓋5で閉じられて内蔵されている。
ケース2の底部2aには、上方に突出している軸受部6
と、下方に凹んでいる軸受部7とが形成されている。
ロータ3は、コア8と整流子ホルダー9及び整流子であ
るコミュテータ10とブラシ11等から構成されてい
て、ロータ4は、ヨーク12及びマグネット13等から
構成されている。ロータ3はモータ軸14に回転自在に
支持されている。
Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 indicates a motor main body, and a case 2 of the motor main body 1 has a rotor 5 as a rotor, a stator 4, and other main parts closed and covered by a lid 5.
The bottom portion 2a of the case 2 has a bearing portion 6 protruding upward.
And a bearing portion 7 recessed downward.
The rotor 3 includes a core 8, a commutator holder 9, a commutator 10 that is a commutator, a brush 11, and the like, and the rotor 4 includes a yoke 12, a magnet 13, and the like. The rotor 3 is rotatably supported by the motor shaft 14.

【0007】モータ軸14の基端14aは径小に形成さ
れ、先端14bは頂部を小半球面とし、頂角α1を有す
る円錐形状に形成されている。このモータ軸14は、基
端14aを軸受部6に形成される軸穴6aに圧入されて
ケース2に固定されている。
A base end 14a of the motor shaft 14 is formed to have a small diameter, and a tip 14b is formed in a conical shape having a small hemispherical surface with an apex angle α1. The motor shaft 14 is fixed to the case 2 by pressing the base end 14 a into a shaft hole 6 a formed in the bearing portion 6.

【0008】コア8は、磁気特性に優れたケイ素鋼板を
積層したものであって、その中心に形成した穴部8a
に、フランジ9cを有する整流子ホルダー9が嵌入され
る。整流子ホルダー9は、整流子であるコミュテータ1
0を支持するものであって、コア8に一体的に嵌入され
ている。
The core 8 is formed by laminating silicon steel plates having excellent magnetic properties, and has a hole 8a formed at the center thereof.
The commutator holder 9 having the flange 9c is fitted in the. The commutator holder 9 is a commutator 1 that is a commutator.
It supports 0 and is fitted in the core 8 integrally.

【0009】コア8に嵌入された整流子ホルダー9の一
方9aには、凹陥部9bが形成されていて、この凹陥部
9bには、モータ軸14を支持する軸穴16が形成され
ている。整流子ホルダー9の頂面には、円錐状に盛り上
がった円錐部9dが形成されていて、この円錐部9dに
は、支持軸14の回転中心軸線上に頂点を有する円錐体
片群からなるコミュテータ10が固定されている。
A recess 9b is formed in one side 9a of the commutator holder 9 fitted in the core 8, and a shaft hole 16 for supporting the motor shaft 14 is formed in the recess 9b. On the top surface of the commutator holder 9, there is formed a conical portion 9d that rises in a conical shape. The conical portion 9d has a commutator including a conical piece group having an apex on the rotation center axis of the support shaft 14. 10 is fixed.

【0010】コミュテータ10は後述する巻線を流れる
電流の方向を切り換えるものであってその表面10aの
一部に図示しない電源に接続するブラシ11が接触して
いる。コミュテータ10の外周部10bの一部は整流子
ホルダー9よりラジアル方向に延出している。
The commutator 10 switches the direction of a current flowing through a winding, which will be described later, and a brush 11 connected to a power source (not shown) is in contact with a part of the surface 10a thereof. A part of the outer peripheral portion 10b of the commutator 10 extends in the radial direction from the commutator holder 9.

【0011】軸穴16は、図2に示すように、開口側1
6aが支持軸14より僅かに大径となっていて、閉口側
16bが軸14の回転中心軸線上に頂点を有し、前記頂
角α1よりも僅かに大きい頂角α2をもつ円錐体形状に
形成されており、両頂角にα2−α1なる差が設けられ
ている。
As shown in FIG. 2, the shaft hole 16 has an opening side 1
6a has a diameter slightly larger than that of the support shaft 14, and the closed side 16b has a vertex on the rotation center axis of the shaft 14 and has a cone shape having an apex angle α2 slightly larger than the apex angle α1. Are formed, and a difference of α2-α1 is provided at both apex angles.

【0012】整流子ホルダー9の凹陥部9bには、図1
に示すように、絶縁材で形成された歯車17のボス17
aが圧入されていて、このボス17aが、支持軸14に
回転自在に支持されている。従って、歯車17、整流子
ホルダー9及びコア8は一体化されて、軸14に回転自
在に支持される。
The concave portion 9b of the commutator holder 9 is shown in FIG.
As shown in, the boss 17 of the gear 17 formed of an insulating material.
a is press-fitted, and the boss 17a is rotatably supported by the support shaft 14. Therefore, the gear 17, the commutator holder 9 and the core 8 are integrated and rotatably supported by the shaft 14.

【0013】また、コア8には、絶縁層18を介して巻
線19が巻装されている。この巻線19は、ブラシ11
から供給される電流によってロータ3が電磁石となった
ときに、同ロータ3を矢印P方向に付勢されるような巻
き方向に巻かれている。
A winding 19 is wound around the core 8 with an insulating layer 18 interposed therebetween. This winding 19 is a brush 11
When the rotor 3 becomes an electromagnet by the current supplied from the rotor 3, the rotor 3 is wound in a winding direction so as to be urged in the arrow P direction.

【0014】一方、コア8の周囲には、ヨーク12を介
してケース2に固定された円弧状のマグネット13が配
設されている。これら固定子4は、マグネット13とコ
ア8との間にエアギァップ20を設けて軸14に対して
同心状に配置されている。エアギァップ20は、ロータ
3の高速回転や長時間運転による熱膨張を考慮し、か
つ、磁束密度を大きく保つ程度の間隙に設定されてい
る。
On the other hand, an arc-shaped magnet 13 fixed to the case 2 via a yoke 12 is arranged around the core 8. These stators 4 are arranged concentrically with respect to the shaft 14 by providing an air gap 20 between the magnet 13 and the core 8. The air gap 20 is set to have a gap in which thermal expansion due to high-speed rotation of the rotor 3 and long-time operation is taken into consideration, and the magnetic flux density is kept large.

【0015】また、ケース2に形成された軸受部7と蓋
5には、モータ1の回転力を外部に取り出す出力軸21
が回転自在に支持される。この軸21には、コア8と一
体的な歯車17に噛合する出力歯車22が固定されてい
て、ロータ3の回転を軸21に伝達する。
The bearing 7 and the lid 5 formed on the case 2 have an output shaft 21 for extracting the rotational force of the motor 1 to the outside.
Is rotatably supported. An output gear 22 meshing with a gear 17 integral with the core 8 is fixed to the shaft 21, and transmits the rotation of the rotor 3 to the shaft 21.

【0016】このように構成されたモータ1の動作につ
いて説明する。電源がオンされ、電流がブラシ11から
ミュテータ10を通って巻線19に流れるとコア8が磁
化とされる。このとき、ミュテータ10によって巻線1
9に流れる電流の方向と相が切換えられ、形成される磁
極が随時変化して、ロータ3がマグネット13の磁界に
反発する力で回転する。また、ロータ3にはマグネット
13の吸引力が働き、ロータ3を矢印P方向、即ち、ケ
ース2の下方に向かって押しつけられ、軸穴16のテー
パ部16cが軸14の先端14bの円錐面に圧接されな
がらロータ3が回転する。ロータ3が回転すると、歯車
17及び出力歯車22を介して軸21を回転させて出力
を取り出す。
The operation of the motor 1 thus constructed will be described. When the power is turned on and current flows from the brush 11 through the mutator 10 to the winding 19, the core 8 is magnetized. At this time, the mutator 10 makes the winding 1
The direction and phase of the current flowing in 9 are switched, the magnetic poles formed are changed at any time, and the rotor 3 is rotated by the force repelling the magnetic field of the magnet 13. Further, the attractive force of the magnet 13 acts on the rotor 3, and the rotor 3 is pressed in the direction of arrow P, that is, toward the lower side of the case 2, and the taper portion 16c of the shaft hole 16 is formed on the conical surface of the tip 14b of the shaft 14. The rotor 3 rotates while being pressed. When the rotor 3 rotates, the shaft 21 is rotated via the gear 17 and the output gear 22 to take out the output.

【0017】この時、軸穴16のテーパ部16cの頂角
α2は、軸の先端14bの頂角α1より僅かに大きく設
定されているので、マグネット13の吸引力によって軸
の先端14bに圧接しても面接触とはならずに線接触状
態で回転する。
At this time, the apex angle α2 of the tapered portion 16c of the shaft hole 16 is set to be slightly larger than the apex angle α1 of the tip 14b of the shaft, so that it is pressed against the tip 14b of the shaft by the attractive force of the magnet 13. Even if it does not come into surface contact, it rotates in a line contact state.

【0018】このような構成にすることで、ロータ3の
ラジアル方向へのガタを少なくすることができると共
に、軸14と軸穴16との接触部分が線接触となり、回
転摩擦抵抗が低減する。
With such a structure, the play of the rotor 3 in the radial direction can be reduced, and the contact portion between the shaft 14 and the shaft hole 16 becomes a linear contact, so that the rotational friction resistance is reduced.

【0019】また、軸受部である軸穴16を整流子ホル
ダー9に形成したので、軸受部をケース2の上下にそれ
ぞれ配設した従来のタイプのものより軸方向における軸
受部の占有スペースを少なくすることができ、モータ全
体の扁平化を図ることができる。
Further, since the shaft hole 16 which is a bearing portion is formed in the commutator holder 9, the space occupied by the bearing portion in the axial direction is smaller than that of the conventional type in which the bearing portions are arranged above and below the case 2, respectively. Therefore, the entire motor can be flattened.

【0020】次に図4は本発明の第2の実施例を示す。
この実施例は、第1の実施例における支持軸14とロー
タ3が一体的に形成されモータケースの蓋でロータ軸を
支承する構造のモータM1に本発明を適用したものであ
る。
Next, FIG. 4 shows a second embodiment of the present invention.
In this embodiment, the present invention is applied to the motor M1 having a structure in which the support shaft 14 and the rotor 3 in the first embodiment are integrally formed and the rotor shaft is supported by the lid of the motor case.

【0021】図4において、ケース30とその蓋31に
は、軸受部32,33がそれぞれ形成されていて、これ
ら軸受部32,33に出力軸34が回転自在に支持され
ている。軸受部32には、軸穴32aが形成されてい
て、その軸穴32aの閉口側32bは、第1の実施例同
様、軸34の回転中心軸線上に頂点を有する円錐体形状
に形成されたテーパー部32cとなっている。軸34の
一端34aも第1の実施例同様に頂点が小半球面に形成
され、軸34の回転中心軸線上に頂点を有する円錐体形
状に形成されていて、その頂角は閉口側32aのテーパ
部32cより小さくなっている。
In FIG. 4, bearings 32 and 33 are formed on the case 30 and its lid 31, respectively, and an output shaft 34 is rotatably supported by these bearings 32 and 33. A shaft hole 32a is formed in the bearing portion 32, and the closing side 32b of the shaft hole 32a is formed in a conical shape having an apex on the rotation center axis of the shaft 34, as in the first embodiment. It is a tapered portion 32c. Similarly to the first embodiment, one end 34a of the shaft 34 has a vertex formed on a small hemispherical surface, and is formed in a conical shape having a vertex on the rotation center axis of the shaft 34. It is smaller than the tapered portion 32c.

【0022】出力軸34には、絶縁層35を介して巻線
36が巻装されたコア37が固定されていて、このコア
37の上部には、ブラシ39が圧接した円筒状のコミュ
テータ38が固定されている。
A core 37, around which a winding 36 is wound, is fixed to the output shaft 34 via an insulating layer 35, and a cylindrical commutator 38 to which a brush 39 is pressed is attached to the upper portion of the core 37. It is fixed.

【0023】コア37の周囲には、出力軸34と同軸的
にマグネット40がヨーク41を介してケース30に固
定されて配置されている。ヨーク41はケース30と一
体的に形成されている。なお、コア37に巻かれた巻線
36はマグネット40と相まってコア37を矢印P方向
に移動させる力を発生させる向きに巻かれている。
A magnet 40 is arranged around the core 37 so as to be coaxial with the output shaft 34 and fixed to the case 30 via a yoke 41. The yoke 41 is formed integrally with the case 30. The winding 36 wound around the core 37 is wound in a direction in which a force that moves the core 37 in the arrow P direction is generated together with the magnet 40.

【0024】このような構成によるロータ軸の支持構造
では、コア37が回転すると出力軸34も一体となって
回転する。この時、出力軸34の一端34aは第1の実
施例同様、テーパー面を有する軸受部32の閉口側32
aにマグネット40の吸引力により圧接して回転する。
つまり、軸34は線接触で圧接されながら回転すること
になるので、ラジアル方向へのガタが少なくなる。
In the rotor shaft support structure having such a structure, when the core 37 rotates, the output shaft 34 also rotates integrally. At this time, the one end 34a of the output shaft 34 has the tapered side 32 of the bearing portion 32 having the tapered surface, as in the first embodiment.
The magnet 40 is pressed against the surface a by the attraction force of the magnet 40 to rotate.
In other words, since the shaft 34 rotates while being pressed into contact with the line 34, there is less play in the radial direction.

【0025】なお、第1,第2の実施例において、軸1
4,34を支持する軸穴16,32aの閉口側16a,
32bを円錐形状としたが、これに限定するものではな
く、図3に示すように、軸穴の先端に凹部Aを設けても
良い。要は軸14,34に形成した頂角α1よりも大き
い頂角α2に軸穴内面が形成されていれば良いのであ
る。
In the first and second embodiments, the shaft 1
Closing side 16a of the shaft holes 16 and 32a for supporting 4, 34,
Although 32b has a conical shape, the shape is not limited to this, and as shown in FIG. 3, a recess A may be provided at the tip of the shaft hole. The point is that the inner surface of the shaft hole may be formed at an apex angle α2 larger than the apex angle α1 formed on the shafts 14, 34.

【0026】[0026]

【発明の効果】本発明によれば、軸と軸受部とのクリア
ランスが極力少なくなると共に上記軸と軸受部の接触部
位を線接触とすることができるので、回転子をスムーズ
に回転することができ、モータノイズを低減することが
できる。
According to the present invention, the clearance between the shaft and the bearing portion is reduced as much as possible, and the contact portion between the shaft and the bearing portion can be in linear contact, so that the rotor can smoothly rotate. Therefore, the motor noise can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1の実施例を示すモータ回転子の支
持構造の断面図である。
FIG. 1 is a sectional view of a support structure for a motor rotor showing a first embodiment of the present invention.

【図2】本発明の要部である軸と軸受部の接触状態を示
す拡大断面図である。
FIG. 2 is an enlarged cross-sectional view showing a contact state between a shaft and a bearing portion, which is an essential part of the present invention.

【図3】本発明の要部である軸と軸受部の変形例を示す
拡大断面図である。
FIG. 3 is an enlarged cross-sectional view showing a modified example of a shaft and a bearing portion which are essential parts of the present invention.

【図4】本発明の第2の実施例を示すモータ回転子の支
持構造の断面図である。
FIG. 4 is a sectional view of a support structure for a motor rotor showing a second embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1,M1 モータ 3 回転子(ロータ) 9 整流子ホルダー 10,38 整流子片(コミュテータ) 14,34 軸(支持軸、出力軸) 9,16,32,33 軸受部 14a,34a 軸の先端 16c,32c テーパ部 16,32a 軸穴 34 固定軸 1, M1 motor 3 rotor (rotor) 9 commutator holder 10,38 commutator piece (commutator) 14,34 shaft (support shaft, output shaft) 9,16,32,33 bearing portion 14a, 34a shaft tip 16c , 32c Tapered part 16, 32a Shaft hole 34 Fixed shaft

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】モータの回転子を支持する軸と、この軸を
支承する軸受部とを有し、前記軸の先端を略円錐状に形
成し、前記軸受部にテーパ部を有する穴を設け、前記テ
ーパ部で前記軸の先端を支承したモータ回転子の支持構
造。
1. A shaft having a shaft for supporting a rotor of a motor and a bearing for supporting the shaft, the tip of the shaft having a substantially conical shape, and the bearing having a hole having a tapered portion. A supporting structure for a motor rotor in which the tip of the shaft is supported by the tapered portion.
【請求項2】モータの回転子を固定軸で回転自在に支持
し、前記固定軸の先端を整流子片を支持する整流子ホル
ダーに設けた軸受部で支持した請求項1記載のモータ回
転子の支持構造。
2. The motor rotor according to claim 1, wherein a rotor of the motor is rotatably supported by a fixed shaft, and a tip of the fixed shaft is supported by a bearing portion provided in a commutator holder that supports a commutator piece. Support structure.
JP04291431A 1992-10-29 1992-10-29 Motor rotor support structure Expired - Fee Related JP3087798B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP04291431A JP3087798B2 (en) 1992-10-29 1992-10-29 Motor rotor support structure
CN 93119703 CN1030127C (en) 1992-10-29 1993-10-29 Small DC motor
MYPI93002265A MY109947A (en) 1992-10-29 1993-10-29 Small brush-use dc motor
EP93117574A EP0595344B1 (en) 1992-10-29 1993-10-29 Small brush-use DC motor and music device.
DE69318099T DE69318099T2 (en) 1992-10-29 1993-10-29 Small DC motor with brushes and music device.
TW082109474A TW227078B (en) 1992-10-29 1993-11-11
US08/190,588 US5528096A (en) 1992-10-29 1994-02-02 Small brush-use DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04291431A JP3087798B2 (en) 1992-10-29 1992-10-29 Motor rotor support structure

Publications (2)

Publication Number Publication Date
JPH06153444A true JPH06153444A (en) 1994-05-31
JP3087798B2 JP3087798B2 (en) 2000-09-11

Family

ID=17768785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04291431A Expired - Fee Related JP3087798B2 (en) 1992-10-29 1992-10-29 Motor rotor support structure

Country Status (1)

Country Link
JP (1) JP3087798B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998059405A1 (en) * 1997-06-19 1998-12-30 Continental Teves Ag & Co. Ohg Inc. Electric motor for driving a machine
JP2006121773A (en) * 2004-10-19 2006-05-11 Sony Corp Imaging apparatus and drive motor
WO2009130939A1 (en) * 2008-04-25 2009-10-29 セイコープレシジョン株式会社 Blade drive device and optical apparatus
US7980775B2 (en) 2007-01-12 2011-07-19 Funai Electric Co., Ltd. Mounting structure for support shaft and image generating apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551646U (en) * 1978-09-29 1980-04-05
JPS55100459U (en) * 1979-01-05 1980-07-12
JPS6261178U (en) * 1985-10-02 1987-04-16

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551646U (en) * 1978-09-29 1980-04-05
JPS55100459U (en) * 1979-01-05 1980-07-12
JPS6261178U (en) * 1985-10-02 1987-04-16

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998059405A1 (en) * 1997-06-19 1998-12-30 Continental Teves Ag & Co. Ohg Inc. Electric motor for driving a machine
JP2006121773A (en) * 2004-10-19 2006-05-11 Sony Corp Imaging apparatus and drive motor
JP4623364B2 (en) * 2004-10-19 2011-02-02 ソニー株式会社 Imaging device and drive motor
US7980775B2 (en) 2007-01-12 2011-07-19 Funai Electric Co., Ltd. Mounting structure for support shaft and image generating apparatus
WO2009130939A1 (en) * 2008-04-25 2009-10-29 セイコープレシジョン株式会社 Blade drive device and optical apparatus
US8057113B2 (en) 2008-04-25 2011-11-15 Seiko Precision Inc. Blade drive device and optical apparatus

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