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Patent Searching and Data


Title:
レンズ枠形状測定装置
Document Type and Number:
Japanese Patent JP5259145
Kind Code:
B2
Abstract:
An eyeglass lens measurement apparatus includes: a measurement unit which includes a tracing stylus to be inserted into a groove of a rim of an eyeglass frame, a moving mechanism for moving the tracing stylus along the groove of the rim, and a detector for detecting movement of the tracing stylus, and obtains a three-dimensional shape of the rim based on a detected result by the detector; and a holding unit which includes upper and lower sliders for positioning the frame, and left and right clamp pins for clamping the rim, and holds the frame fixedly. At least one of the upper and lower sliders includes a left slider from which the left clamp pins protrude and a right slider from which the right clamp pins protrude. The left and right sliders are separated from each other or connected with each other by a connecting member which is disposed at a position lower than an area within which each of the clamp pins is movable.

Inventors:
Yoshinori Matsuyama
Application Number:
JP2007236033A
Publication Date:
August 07, 2013
Filing Date:
September 11, 2007
Export Citation:
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Assignee:
NIDEK CORPORATION
International Classes:
G01B5/20; B24B9/14; G02C13/00
Domestic Patent References:
JP2003172618A
JP5055017U
JP11129149A
JP5269658A