JPS57189002A - Inside measuring device - Google Patents

Inside measuring device

Info

Publication number
JPS57189002A
JPS57189002A JP7339281A JP7339281A JPS57189002A JP S57189002 A JPS57189002 A JP S57189002A JP 7339281 A JP7339281 A JP 7339281A JP 7339281 A JP7339281 A JP 7339281A JP S57189002 A JPS57189002 A JP S57189002A
Authority
JP
Japan
Prior art keywords
measuring
contactors
magnetic
collars
scales
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
Application number
JP7339281A
Other languages
Japanese (ja)
Inventor
Hiroyuki Okubo
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.)
SONII MAGUNESUKEERU KK
Sony Magnescale Inc
Original Assignee
SONII MAGUNESUKEERU KK
Sony Magnescale Inc
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
Application filed by SONII MAGUNESUKEERU KK, Sony Magnescale Inc filed Critical SONII MAGUNESUKEERU KK
Priority to JP7339281A priority Critical patent/JPS57189002A/en
Publication of JPS57189002A publication Critical patent/JPS57189002A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE:To improve the accuracy of measurement by providing a pair of measuring contactors which are kept applied with measuring pressures in opposite directions on measuring shafts. CONSTITUTION:An outside casing 11 of a cylindrical shape has holes 12A, 12B centering at a measuring shaft in both end parts, and has a connecting rod 13 projecting from the central part in the longitudinal direction. A pair of measuring contactors 14A, 14B provided in the casing 11 are guided by the holes 12A, 12B and move the measuring shafts mutually independently. Coaxial type magnetic scale devices 16A, 16B consisting of rod-like magnetic scales 17A, 17B and magnetic detecting heads 18A, 18B are provided at the trailing ends of the contactors 14A, 14B. The contactors 14A, 14B and the scales 17A, 17B are coaxially fixed, and further coil springs 20A, 20B that exert prescribed measuring pressures upon the contactors 14A, 14B are disposed between the collars 21A, 21B fixed to the measuring contactors and the collars 22A, 22B of the magnetic heads.
JP7339281A 1981-05-18 1981-05-18 Inside measuring device Pending JPS57189002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7339281A JPS57189002A (en) 1981-05-18 1981-05-18 Inside measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7339281A JPS57189002A (en) 1981-05-18 1981-05-18 Inside measuring device

Publications (1)

Publication Number Publication Date
JPS57189002A true JPS57189002A (en) 1982-11-20

Family

ID=13516872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7339281A Pending JPS57189002A (en) 1981-05-18 1981-05-18 Inside measuring device

Country Status (1)

Country Link
JP (1) JPS57189002A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333405U (en) * 1986-08-22 1988-03-03

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333405U (en) * 1986-08-22 1988-03-03

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