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Picture frame type detector

A detection device, mirror frame technology, applied in measuring devices, mechanical measuring devices, using mechanical devices, etc., can solve problems such as designation errors

Inactive Publication Date: 2003-12-10
HOYA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in an error specifying

Method used

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  • Picture frame type detector

Examples

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Embodiment Construction

[0087] DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

[0088] 1 to 11 show an embodiment of a spectacle frame shape detection device according to the present invention.

[0089] Referring to FIGS. 1 to 11, the frame shape detection device is generally indicated by reference numeral 20, which has a box-like housing 21 in the shape of a substantially rectangular parallelepiped.

[0090] A switch panel 22 is attached to the front end portion of the upper cover 21A forming the upper surface of the casing 21 . An opening portion 25 is formed in a central portion of the housing 21 . The frame 24 to be measured, the lens 207 or the frame template 300 is loaded into the case from above through the opening 25 . A metal device 29 having an L-shaped cross section is installed on the leading edge side of the opening portion 25 .

[0091] The metal device 29 forms a mounting portion ...

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PUM

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Abstract

A spectacle frame shape measuring apparatus includes a measurement element holding mechanism. The measurement element holding mechanism holds a measurement element in a substantially loadless state along a frame groove formed in the inner circumferential surface of a rim of a spectacle frame. The measurement element holding mechanism includes a rod, balance spring, and evacuating mechanism. The rod is vertically movable and has an upper end portion on which the measurement element is mounted. The balance spring pushes the rod upward to hold the measurement element at a loading position during shape measurement. The evacuating mechanism regularly evacuates the measurement element to an evacuation position, thereby performing three-dimensional measurement of a rim shape. A spectacle frame shape measuring apparatus holder is also disclosed.

Description

technical field [0001] The invention relates to a frame shape detection device for detecting the frame shape of a spectacle frame and the shape of a frame template or a lens, and a fixture for installing the frame template and the lens on the frame shape detection device. Background technique [0002] Typically, the frame edge (side) of the frame is shaped to curve along the wearer's face when viewed from the top. For this reason, shape detection is often performed in a three-dimensional interior environment using a frame shape detection device. Therefore, the detection data has r (the displacement of the measuring element in the radial direction), θ (the displacement of the measuring element on the horizontal plane relative to the rotation direction of any point on the measuring unit) and Z (the displacement of the measuring element in the vertical direction) Represented in a cylindrical coordinate system. To this end, the mirror frame shape detecting device includes a ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/20B24B9/14
CPCG01B5/20B24B9/144G01B5/00
Inventor 五十岚尚秋山久则神保昌宏佐藤良介大丸孝司
Owner HOYA CORP
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