| 摘要 |
<p>The tracing stylus is inserted in to groove of the rim of an eyeglass frame. A holding unit (100) comprises lower and upper sliders (102,103) for positioning the frames and left and right clamp pins (150a,150b) for clamping the rim and left and right contact portions. The left and right clamp pins and the contact portions protrude from each of the upper and lower sliders. The contact portions are formed at the periphery of each of the lamp pins.</p> |
