Apparatus for measuring a lens frame configuration

Details Apparatus for measuring a lens frame configuration Apparatus for measuring a lens frame configuration

1995-04-20

1997-01-21

Fulton, Christopher W.

Geometrical instruments

Gauge

Spectacle

33507, 33551, G01B 520

Patent

active

055949924

ABSTRACT:
An apparatus for measuring a lens frame configuration is provided which comprises an apparatus body provided with a measuring reference surface, a frame holder movably retained by the apparatus body and adapted to hold right and left lens frames of an eyeglass frame so as to rotate and incline a holding plane of the lens frame with respect to the reference surface, a rotating device for rotating and inclining the frame holder, a measuring portion for measuring coordinates of each point in a circumferential direction of a V-shaped groove of the lens frame with respect to the measuring reference surface, and an arithmetic circuit for calculating an inclination of the lens frame in the V-shaped groove with respect to the reference surface from a result obtained by the measuring portion.

REFERENCES:
patent: 4051601 (1977-10-01), Godot
patent: 5097600 (1992-03-01), Brule et al.
patent: 5121550 (1992-06-01), Wood et al.
patent: 5152067 (1992-10-01), Kurachi et al.
patent: 5195248 (1993-03-01), Chansavoir

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