JPH0211086B2 - - Google Patents
Info
- Publication number
- JPH0211086B2 JPH0211086B2 JP1165783A JP1165783A JPH0211086B2 JP H0211086 B2 JPH0211086 B2 JP H0211086B2 JP 1165783 A JP1165783 A JP 1165783A JP 1165783 A JP1165783 A JP 1165783A JP H0211086 B2 JPH0211086 B2 JP H0211086B2
- Authority
- JP
- Japan
- Prior art keywords
- measuring machine
- hollow case
- receiving groove
- sealing device
- displacement measuring
- 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.)
- Expired
Links
- 238000006073 displacement reaction Methods 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 41
- 230000003287 optical effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34746—Linear encoders
- G01D5/34761—Protection devices, e.g. caps; Blowing devices
- G01D5/34769—Sealing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1165783A JPS59137811A (ja) | 1983-01-27 | 1983-01-27 | 変位測定機のシ−ル装置 |
| US06/572,320 US4500097A (en) | 1983-01-27 | 1984-01-20 | Seal device in displacement measuring instrument |
| DE19843402344 DE3402344A1 (de) | 1983-01-27 | 1984-01-24 | Dichtungseinrichtung in einem verschiebungsmessinstrument |
| GB08401930A GB2134262B (en) | 1983-01-27 | 1984-01-25 | Seal device in displacement measuring instrument |
| GB08601147A GB2167560B (en) | 1983-01-27 | 1986-01-17 | Seal device in displacement measuring instrument |
| GB08601146A GB2167863B (en) | 1983-01-27 | 1986-01-17 | Seal device in displacement measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1165783A JPS59137811A (ja) | 1983-01-27 | 1983-01-27 | 変位測定機のシ−ル装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59137811A JPS59137811A (ja) | 1984-08-08 |
| JPH0211086B2 true JPH0211086B2 (enrdf_load_stackoverflow) | 1990-03-12 |
Family
ID=11784037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1165783A Granted JPS59137811A (ja) | 1983-01-27 | 1983-01-27 | 変位測定機のシ−ル装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59137811A (enrdf_load_stackoverflow) |
-
1983
- 1983-01-27 JP JP1165783A patent/JPS59137811A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59137811A (ja) | 1984-08-08 |
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