| 摘要 |
<p>A measuring spectacle frame for an optician provides rapid adjustment to the patient's requirements, e.g. eye spacing and position relative to the nose support and for the rotational settings of the interchangeable lenses. The adjustments are via easily operated knobs (11, 05, 06, 14, 15). The height control knob has a rack and pinion drive for the height adjustment and is moved axially to unlock and lock the settings. The other knobs are operated by simple twist and pull actions.</p> |
