GB2167560B - Seal device in displacement measuring instrument - Google Patents

Seal device in displacement measuring instrument

Info

Publication number
GB2167560B
GB2167560B GB08601147A GB8601147A GB2167560B GB 2167560 B GB2167560 B GB 2167560B GB 08601147 A GB08601147 A GB 08601147A GB 8601147 A GB8601147 A GB 8601147A GB 2167560 B GB2167560 B GB 2167560B
Authority
GB
United Kingdom
Prior art keywords
measuring instrument
seal device
displacement measuring
displacement
seal
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
Application number
GB08601147A
Other versions
GB8601147D0 (en
GB2167560A (en
Inventor
Hitoshi Sakamoto
Seiji Sakagami
Shigeru Nagashima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitutoyo Manufacturing Co Ltd
Original Assignee
Mitutoyo Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP1165683A external-priority patent/JPH0237961B2/en
Priority claimed from JP1018483U external-priority patent/JPS59116809U/en
Priority claimed from JP1165783A external-priority patent/JPS59137811A/en
Application filed by Mitutoyo Manufacturing Co Ltd filed Critical Mitutoyo Manufacturing Co Ltd
Priority to GB08601147A priority Critical patent/GB2167560B/en
Publication of GB8601147D0 publication Critical patent/GB8601147D0/en
Publication of GB2167560A publication Critical patent/GB2167560A/en
Application granted granted Critical
Publication of GB2167560B publication Critical patent/GB2167560B/en
Expired legal-status Critical Current

Links

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)
  • A Measuring Device Byusing Mechanical Method (AREA)
GB08601147A 1983-01-27 1986-01-17 Seal device in displacement measuring instrument Expired GB2167560B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08601147A GB2167560B (en) 1983-01-27 1986-01-17 Seal device in displacement measuring instrument

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1165683A JPH0237961B2 (en) 1983-01-27 1983-01-27 HENISOKUTEIKINOSHIIRUSOCHI
JP1018483U JPS59116809U (en) 1983-01-27 1983-01-27 Sealing device for displacement measuring machine
JP1165783A JPS59137811A (en) 1983-01-27 1983-01-27 Sealing device for displacement measuring machine
GB08601147A GB2167560B (en) 1983-01-27 1986-01-17 Seal device in displacement measuring instrument

Publications (3)

Publication Number Publication Date
GB8601147D0 GB8601147D0 (en) 1986-02-19
GB2167560A GB2167560A (en) 1986-05-29
GB2167560B true GB2167560B (en) 1987-02-18

Family

ID=27449723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08601147A Expired GB2167560B (en) 1983-01-27 1986-01-17 Seal device in displacement measuring instrument

Country Status (1)

Country Link
GB (1) GB2167560B (en)

Also Published As

Publication number Publication date
GB8601147D0 (en) 1986-02-19
GB2167560A (en) 1986-05-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980125