Apparatus for measuring shape of lens-frames

Details Apparatus for measuring shape of lens-frames Apparatus for measuring shape of lens-frames

2005-03-22

2005-03-22

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Dimensional determination

Reexamination Certificate

active

06871158

ABSTRACT:
An apparatus for measuring a shape of lens frames capable of measuring precisely the shape of lens frames by changing a rotational speed or rotational direction of a measuring element (feeler)216in accordance with the shape of lens frames. The measuring element216contacts with V-shaped grooves (grooves for lens frames)51provided in lens frames LF and RF of an eyeglass frame MF. An arithmetic control circuit270controls variably the rotational speed or rotational direction of the measuring element216.

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