JPS5696201A - Vernier calipers - Google Patents

Vernier calipers

Info

Publication number
JPS5696201A
JPS5696201A JP17316779A JP17316779A JPS5696201A JP S5696201 A JPS5696201 A JP S5696201A JP 17316779 A JP17316779 A JP 17316779A JP 17316779 A JP17316779 A JP 17316779A JP S5696201 A JPS5696201 A JP S5696201A
Authority
JP
Japan
Prior art keywords
scale
vernier
measuring face
calipers
diameter
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
JP17316779A
Other languages
Japanese (ja)
Inventor
Tomonori Takeyama
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.)
Japan Atomic Energy Agency
Original Assignee
Japan Atomic Energy Research Institute
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 Japan Atomic Energy Research Institute filed Critical Japan Atomic Energy Research Institute
Priority to JP17316779A priority Critical patent/JPS5696201A/en
Publication of JPS5696201A publication Critical patent/JPS5696201A/en
Pending legal-status Critical Current

Links

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  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

PURPOSE: To facilitate measurement of the diameter of a circle in which three equidiametral holes are positioned at regular intervals by a constitution wherein a new measuring face is provided outside a jaw of a slider of vernier calipers, and a scale for which the outside measuring face is standardized and another scale of 1.155 magnifications are provided besides a conventional scale for the calipers.
CONSTITUTION: An outside measuring face 7 is provided on a jaw 4 of a slider 2 of conventional vernier calipers besides a conventional inside measuring face 6. A scale 14 equivalent to a conventional scale 13, for which the outside measuring face 7 is standardized is the provided. Both the scales 13, 14 are available for use on a vernier 16. Then, a scale 15 of 1.155 magnifications and its vernier 17 are provided on the upper part of vernier calipers 1. Since a diameter D of a circle passing the centers of three equidiametral holes arranged at regular intervals (vertexes of an equilateral triangle) is given at D=1.155a ("a" being one side of the equilateral triangle), the diameter D can easily be obtained through one time measurement.
COPYRIGHT: (C)1981,JPO&Japio
JP17316779A 1979-12-28 1979-12-28 Vernier calipers Pending JPS5696201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17316779A JPS5696201A (en) 1979-12-28 1979-12-28 Vernier calipers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17316779A JPS5696201A (en) 1979-12-28 1979-12-28 Vernier calipers

Publications (1)

Publication Number Publication Date
JPS5696201A true JPS5696201A (en) 1981-08-04

Family

ID=15955336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17316779A Pending JPS5696201A (en) 1979-12-28 1979-12-28 Vernier calipers

Country Status (1)

Country Link
JP (1) JPS5696201A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143003U (en) * 1985-02-26 1986-09-04
CN104848769A (en) * 2015-04-23 2015-08-19 苏州市职业大学 Pitch measuring caliper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143003U (en) * 1985-02-26 1986-09-04
CN104848769A (en) * 2015-04-23 2015-08-19 苏州市职业大学 Pitch measuring caliper

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