JPH0370318U - - Google Patents
Info
- Publication number
- JPH0370318U JPH0370318U JP13030889U JP13030889U JPH0370318U JP H0370318 U JPH0370318 U JP H0370318U JP 13030889 U JP13030889 U JP 13030889U JP 13030889 U JP13030889 U JP 13030889U JP H0370318 U JPH0370318 U JP H0370318U
- Authority
- JP
- Japan
- Prior art keywords
- shaft holder
- drum
- detected
- ventilation hole
- hole
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
Description
第１図は本考案にかかるエンコーダの一実施例
を示す断面正面図、第２図は同上実施例中のマグ
ネツトホルダを底面側から示す斜視図、第３図は
同上実施例の要部を示す断面正面図、第４図は本
考案にかかるエンコーダの別の実施例を示す断面
正面図、第５図は従来のエンコーダの一例を示す
断面正面図、第６図は従来のエンコーダの別の例
を分解した状態で示す断面正面図、第７図は同上
従来例の組立状態を示す断面正面図である。
３……軸ホルダ、５……被検出ドラム、３ｂ…
…透孔、７ａ，７ｂ……通気孔を形成する溝。
Fig. 1 is a cross-sectional front view showing an embodiment of the encoder according to the present invention, Fig. 2 is a perspective view showing the magnetic holder in the above embodiment from the bottom side, and Fig. 3 is a main part of the same embodiment. 4 is a sectional front view showing another embodiment of the encoder according to the present invention, FIG. 5 is a sectional front view showing an example of a conventional encoder, and FIG. 6 is a sectional front view showing another embodiment of the conventional encoder. FIG. 7 is a cross-sectional front view showing the conventional example in an assembled state. 3... Axis holder, 5... Drum to be detected, 3b...
...Through hole, 7a, 7b...Groove forming a ventilation hole.
Claims (1)
外方とを連通する透孔が形成された軸ホルダと、 上記軸ホルダに結合され、周方向に回転信号が
記録された被検出ドラムと、 上記被検出ドラムに対向して配置されたセンサ
とを有してなり、 上記軸ホルダの透孔と上記被検出ドラムの内側
とは通気孔で連絡されていることを特徴とするエ
ンコーダ。 ２ 通気孔は、被検出ドラムに形成された請求項
１記載のエンコーダ。 ３ 通気孔は、軸ホルダに形成された請求項１記
載のエンコーダ。 ４ 通気孔は、被検出ドラムと軸ホルダの双方に
形成された請求項１記載のエンコーダ。[Claims for Utility Model Registration] 1. A shaft holder formed in a cylindrical shape and having a through hole communicating between the inner circumferential side and the outer side of the cylinder, and a shaft holder coupled to the shaft holder and rotating in the circumferential direction. It has a drum to be detected on which a signal has been recorded, and a sensor placed opposite to the drum to be detected, and the through hole of the shaft holder and the inside of the drum to be detected are connected through a ventilation hole. An encoder characterized by: 2. The encoder according to claim 1, wherein the ventilation hole is formed in the drum to be detected. 3. The encoder according to claim 1, wherein the ventilation hole is formed in the shaft holder. 4. The encoder according to claim 1, wherein the ventilation hole is formed in both the drum to be detected and the shaft holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13030889U JPH0733132Y2 (en) | 1989-11-08 | 1989-11-08 | Encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13030889U JPH0733132Y2 (en) | 1989-11-08 | 1989-11-08 | Encoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370318U true JPH0370318U (en) | 1991-07-15 |
| JPH0733132Y2 JPH0733132Y2 (en) | 1995-07-31 |
Family
ID=31677893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13030889U Expired - Fee Related JPH0733132Y2 (en) | 1989-11-08 | 1989-11-08 | Encoder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733132Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013007731A (en) * | 2011-05-20 | 2013-01-10 | Asmo Co Ltd | Motor and motor for electrically-driven power steering |
-
1989
- 1989-11-08 JP JP13030889U patent/JPH0733132Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013007731A (en) * | 2011-05-20 | 2013-01-10 | Asmo Co Ltd | Motor and motor for electrically-driven power steering |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733132Y2 (en) | 1995-07-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |