JPH047307U - - Google Patents
Info
- Publication number
- JPH047307U JPH047307U JP4846790U JP4846790U JPH047307U JP H047307 U JPH047307 U JP H047307U JP 4846790 U JP4846790 U JP 4846790U JP 4846790 U JP4846790 U JP 4846790U JP H047307 U JPH047307 U JP H047307U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- detection head
- main scale
- opening
- groove
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 2
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Description
第１図はこの考案の一実施例の一部省略を含む
斜視図、第２図は第１図の−断面図である。
１……測長装置、２……メインスケール、３…
…ハウジング、４……検出ヘツド、５……演算表
示手段、６……連結部材、８……送風手段、９…
…開口、２０……溝部、２１……開口部、２２…
…取入れ部、２３……排出部、２８……パイプ。
FIG. 1 is a partially omitted perspective view of an embodiment of this invention, and FIG. 2 is a cross-sectional view taken from FIG. 1. 1...Length measuring device, 2...Main scale, 3...
... Housing, 4 ... Detection head, 5 ... Calculation display means, 6 ... Connection member, 8 ... Air blowing means, 9 ...
...Opening, 20...Groove, 21...Opening, 22...
...Intake part, 23...Discharge part, 28...Pipe.
Claims (1)
設されるハウジングと、そのハウジングに内設さ
れ、且つメインスケールと相対移動することによ
つてその移動距離を検出するための検出ヘツドと
、その検出ヘツドからの信号に基づき、メインス
ケールと検出ヘツドの相対移動の量を演算表示す
る演算表示手段と、一端が検出ヘツドと連結され
、且つ他端がハウジングの外部に位置する被測定
物に連結される連結部材が備えられ、 上記ハウジングに開設され、連結部材を挿通さ
せ、検出ヘツドの移動と共に連結部材の移動を可
能にさせ得る開口と、その開口の近傍に形成され
、気体を流送ると周辺に負圧部分を生じさせ得る
溝部と、その溝部に気体を流送るための送風手段
が設けられてなる測長装置。 ２ 可撓性材料から形成され、先端部が互いに突
合わせ状態に配設されてハウジングの開口を閉塞
する防塵・防液用のシール部材が備えられてなる
請求項１に記載の測長装置。[Claims for Utility Model Registration] 1. A main scale, a housing in which the main scale is installed, and a device installed in the housing for detecting the distance traveled by moving relative to the main scale. a detection head; and a calculation display means for calculating and displaying the amount of relative movement between the main scale and the detection head based on a signal from the detection head, one end of which is connected to the detection head, and the other end of which is located outside the housing. A connecting member connected to the object to be measured is provided, and an opening is provided in the housing, through which the connecting member is inserted, and the connecting member can be moved together with the movement of the detection head, and formed near the opening, A length measuring device comprising a groove that can generate a negative pressure area around the groove when gas is flown therein, and a blowing means for flowing the gas into the groove. 2. The length measuring device according to claim 1, further comprising a dust-proof and liquid-proof seal member made of a flexible material and disposed such that its distal ends abut against each other to close the opening of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4846790U JPH047307U (en) | 1990-05-08 | 1990-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4846790U JPH047307U (en) | 1990-05-08 | 1990-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH047307U true JPH047307U (en) | 1992-01-23 |
Family
ID=31565298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4846790U Pending JPH047307U (en) | 1990-05-08 | 1990-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047307U (en) |
-
1990
- 1990-05-08 JP JP4846790U patent/JPH047307U/ja active Pending
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