Title:
SPECTACLE FRAME SHAPE MEASUREMENT DEVICE AND CONTROL PROGRAM OF SPECTACLE FRAME SHAPE MEASUREMENT DEVICE
Document Type and Number:
Japanese Patent JP2022057965
Kind Code:
A
Abstract:
To provide a spectacle frame shape measurement device which can excellently measure a three-dimensional shape of a groove of a rim and a cross-sectional shape of the rim groove, and a control program of the spectacle frame shape measurement device.SOLUTION: A spectacle frame shape measurement device for measuring a shape of a rim of a spectacle frame comprises: frame holding means which holds a rim holding member that holds the rim of the spectacle frame; a probe unit which holds a probe that is inserted into a groove of the rim; an optical measurement unit which optically measures a shape of the groove of the rim; a support unit which integrally supports the probe unit and the optical measurement unit; change means which changes a physical relation between the rim and the support unit; and control means which controls the change means so as to avoid interference of an interference object including at least any of the probe unit, the optical measurement unit and the support unit with respect to an interfered object including at least any of the rim held by the frame holding means and the rim holding member at the measurement of the rim.SELECTED DRAWING: Figure 17
Inventors:
MIZUNO HIROHISA
Application Number:
JP2020166496A
Publication Date:
April 11, 2022
Filing Date:
September 30, 2020
Export Citation:
Assignee:
NIDEK KK
International Classes:
G02C13/00; G01B5/20; G01B11/24