JPH0476177U - - Google Patents
Info
- Publication number
- JPH0476177U JPH0476177U JP11685390U JP11685390U JPH0476177U JP H0476177 U JPH0476177 U JP H0476177U JP 11685390 U JP11685390 U JP 11685390U JP 11685390 U JP11685390 U JP 11685390U JP H0476177 U JPH0476177 U JP H0476177U
- Authority
- JP
- Japan
- Prior art keywords
- rack
- movable element
- gear
- bearing mechanism
- stator
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
Landscapes
- Bearings For Parts Moving Linearly (AREA)
- Linear Motors (AREA)
Description
第１図ａは本考案の一実施例の平面図、第１図
ｂは第１図ａのＡ−Ａ断面の部分拡大図、第２図
ａは本考案の別の実施例の平面図、第２図ｂは第
２図ａのＢ−Ｂ断面の部分拡大図、第３図ａ，ｂ
およびｃはそれぞれ従来のリニアモータの軸受機
構の正面図、平面図および側面図である。
１……かみあいはずれ防止ピン、２……矩形穴
、３……固定子、４……保持器、５……可動子、
６……第１のラツク、７……第２のラツク、８…
…第１の歯車、９……第２の歯車、１０……鋼球
。
FIG. 1a is a plan view of one embodiment of the present invention, FIG. 1b is a partially enlarged view of the AA cross section of FIG. 1a, and FIG. 2a is a plan view of another embodiment of the present invention. Figure 2b is a partially enlarged view of the B-B cross section in Figure 2a, Figures 3a and b
and c are a front view, a plan view, and a side view, respectively, of a bearing mechanism of a conventional linear motor. 1... Misalignment prevention pin, 2... Rectangular hole, 3... Stator, 4... Cage, 5... Mover,
6...first rack, 7...second rack, 8...
...First gear, 9...Second gear, 10...Steel ball.
Claims (1)
持する保持器を介して平板状の可動子を置載し、
保持器および可動子には可動子の移動方向の側面
にそれぞれ第１のラツクおよび第２のラツクを有
し、第１のラツクおよび第２のラツクのそれぞれ
にかみあい一体に回転する固定子に設けた軸に支
持される第１の歯車および第２の歯車を有する磁
気デイスク装置のヘツド駆動に用いるリニアモー
タの軸受機構において、保持器の平面に設けた矩
形穴の第１のラツクと並行する側面から第１のラ
ツクと第１の歯車とのかみあい量を越えない位置
の固定子上にかみあいはずれ防止ピンを固着した
ことを特徴とするリニアモータの軸受機構。 A flat movable element is placed on a flat stator via a cage that holds steel balls as rolling elements.
The retainer and the movable element each have a first rack and a second rack on the side faces in the moving direction of the movable element, and the stator is provided with a rack that engages with each of the first rack and the second rack and rotates together with the first rack and the second rack. In a bearing mechanism for a linear motor used to drive a head of a magnetic disk device, the bearing mechanism has a first gear and a second gear supported on a shaft, and the side surface parallel to the first rack of the rectangular hole provided in the plane of the retainer. A bearing mechanism for a linear motor, characterized in that a misalignment prevention pin is fixed on a stator at a position that does not exceed the amount of engagement between a first rack and a first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11685390U JP2535201Y2 (en) | 1990-11-07 | 1990-11-07 | Linear motor bearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11685390U JP2535201Y2 (en) | 1990-11-07 | 1990-11-07 | Linear motor bearing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0476177U true JPH0476177U (en) | 1992-07-02 |
| JP2535201Y2 JP2535201Y2 (en) | 1997-05-07 |
Family
ID=31864700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11685390U Expired - Fee Related JP2535201Y2 (en) | 1990-11-07 | 1990-11-07 | Linear motor bearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535201Y2 (en) |
-
1990
- 1990-11-07 JP JP11685390U patent/JP2535201Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2535201Y2 (en) | 1997-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |