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EYEGLASS LENS MEASUREMENT APPARATUS

  • US 20090064512A1
  • Filed: 09/10/2008
  • Published: 03/12/2009
  • Est. Priority Date: 09/11/2007
  • Status: Active Grant
First Claim
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1. An eyeglass lens measurement apparatus comprising:

  • 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 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, left and right clamp pins for clamping the rim and left and right contact portion to be contacted with the rim which is clamped by the clamp pins, and holds the frame fixedly,wherein the left and right clamp pins and the contact portions protrude from each of the upper and lower sliders,wherein each of the contact portions is formed at the periphery of each of the lamp pins.

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