Title:
MEASURING JIG
Document Type and Number:
Japanese Patent JP2017072400
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a measuring jig capable of easily and accurately measuring the depth of an arris groove.SOLUTION: A measuring jig 1 which measures the depth of an arris groove provided on a rim of a spectacle frame, is equipped with a plurality of projecting portions 3 each of which has a first inclined portion which extends from a first shoulder portion, a second inclined portion that is an inclined portion different from the first inclined portion, and extends from a second shoulder portion that is a shoulder portion different from the first shoulder portion, and an apex portion at which the first inclined portion and the second inclined portion intersect each other; and has a shaped fitted in the arris groove. In the plurality of projecting portions 3, first distances from first skirt portions which are skirt portions of the first inclined portions to the apex portions, and second distances from second skirt portions which are skirt portions of the second inclined portions to the apex portions are set to be different from each other between the plurality of projecting portions 3, first inclined angles of the first inclined portions to the first shoulder portions and second inclined angles of the second inclined portions to the second shoulder portions are set to be the same angle as each other between the plurality of projecting portions 3.SELECTED DRAWING: Figure 1
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Inventors:
TAKEICHI KYOJI
SHIMIZU YUUKI
SHIMIZU YUUKI
Application Number:
JP2015197724A
Publication Date:
April 13, 2017
Filing Date:
October 05, 2015
Export Citation:
Assignee:
NIDEK KK
International Classes:
G01B5/18; G02C13/00
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