DISPLACEMENT MEASUREMENT DEVICE

Title:

DISPLACEMENT MEASUREMENT DEVICE

Document Type and Number:

WIPO Patent Application WO/2018/100762

Kind Code:

A1

Abstract:

This displacement measurement device is provided with: a probe having a telescopic structure which is entirely extendable and contractible; and a measurement unit that measures the displacement amount of a tip end with respect to a base end of the probe. The probe is formed of: one cylindrical body or multiple cylindrical bodies having different diameters; and a columnar or cylindrical tip end member which is inserted into the cylindrical body having the smallest diameter among the one cylindrical body or multiple cylindrical bodies, so as to be freely movable forward and backward, and an end of which is fixedly attached to an object the displacement of which is to be measured. The one cylindrical body or multiple cylindrical bodies and the tip end member have a rotation providing mechanism for providing, when an inner side cylindrical body or the tip end member moves forward and backward in an extendable/contractible direction with respect to an outer cylindrical body, a rotary operation interlocking with the forward and backward movement.

Inventors:

OZAWA YOSHIHIRO (JP)

Application Number:

PCT/JP2017/015024

Publication Date:

June 07, 2018

Filing Date:

April 12, 2017

Export Citation:

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Assignee:

JASTI CO LTD (JP)

International Classes:

G01B5/00; G01B5/24

Foreign References:

JP2007315815A	2007-12-06
US20120131806A1	2012-05-31
JPH0481602A	1992-03-16
JP2000187148A	2000-07-04
US20170016709A1	2017-01-19
JP2007315815A	2007-12-06

Other References: