JPH01102702U - - Google Patents
Info
- Publication number
- JPH01102702U JPH01102702U JP19706287U JP19706287U JPH01102702U JP H01102702 U JPH01102702 U JP H01102702U JP 19706287 U JP19706287 U JP 19706287U JP 19706287 U JP19706287 U JP 19706287U JP H01102702 U JPH01102702 U JP H01102702U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- piston rod
- coating layer
- magnetic sensor
- sensor
- 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.)
- Pending
Links
- 239000011247 coating layer Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Actuator (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
Ａ，Ｂは要部の平面図である。第３図は従来例の
断面図である。
１……シリンダヘツド部、２……挿入穴、３…
…磁気センサ、７……ピストンロツド、１０……
スプリング、１１……ホルダ、１２……コーテイ
ング層、１４……センサ検出面。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIGS. 2A and 2B are plan views of the main parts. FIG. 3 is a sectional view of a conventional example. 1... Cylinder head part, 2... Insertion hole, 3...
...Magnetic sensor, 7... Piston rod, 10...
Spring, 11...Holder, 12...Coating layer, 14...Sensor detection surface.
補正 昭６３．６．２８
実用新案登録請求の範囲を次のように補正する
。Amendment June 28, 1983 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
ピストンロツドに所定の間隔で磁気スケールを
配設すると共に、シリンダヘツド部に磁気スケー
ルを読み取る磁気センサを配置したシリンダ装置
において、磁気センサの検出面に所定の厚さの非
磁性材からなるコーテイング層を形成し、かつこ
のコーテイング層がピストンロツドの周側面に直
接的に接触するように磁気センサを保持したこと
を特徴とするシリンダ装置のストロークセンサ。[Claim for Utility Model Registration] In a cylinder device in which magnetic scales are arranged on the piston rod at predetermined intervals and a magnetic sensor for reading the magnetic scale is arranged on the cylinder head , the detection surface of the magnetic sensor has a predetermined thickness. A stroke sensor for a cylinder device, characterized in that a coating layer made of a non-magnetic material is formed, and a magnetic sensor is held so that the coating layer directly contacts the circumferential surface of a piston rod.
Claims (1)
配設すると共に、シリンダヘツドに磁気スケール
を読み取る磁気センサを配置したシリンダ装置に
おいて、磁気センサの検出面に所定の厚さの非磁
性材からなるコーテイング層を形成し、かつこの
コーテイング層がピストンロツドの周側面に直接
的に接触するように磁気センサを保持したしたこ
とを特徴とするシリンダ装置のストロークセンサ
。 In a cylinder device in which magnetic scales are arranged on the piston rod at predetermined intervals and a magnetic sensor for reading the magnetic scale is arranged on the cylinder head, a coating layer made of a non-magnetic material of a predetermined thickness is formed on the detection surface of the magnetic sensor. A stroke sensor for a cylinder device, characterized in that the magnetic sensor is held so that the coating layer is in direct contact with the circumferential surface of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19706287U JPH01102702U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19706287U JPH01102702U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102702U true JPH01102702U (en) | 1989-07-11 |
Family
ID=31487638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19706287U Pending JPH01102702U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102702U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112764A (en) * | 1979-12-31 | 1981-09-05 | Chevron Res | Multiilayer photoelectric solar cell |
-
1987
- 1987-12-25 JP JP19706287U patent/JPH01102702U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112764A (en) * | 1979-12-31 | 1981-09-05 | Chevron Res | Multiilayer photoelectric solar cell |
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