Title:
FRAME CAMBER ANGLE MEASUREMENT TOOL AND SPECTACLE MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2015152536
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To inexpensively provide a frame camber angle measurement tool that enables a camber angle of a spectacle frame to be easily and correctly measured.SOLUTION: A frame camber angle measurement tool 1 comprises: a tool attachment unit 12 that includes an engagement pawl section 124b engaging with an arris groove 311b on a bridge side of a lens frame 31, and an engagement pawl section 124a engaging with an arris groove 311a of a temple side thereof facing the arris groove 311b of the bridge side, and is attached so as to bridge between the bridge side arris groove 311b and the temple side arris groove 311a; and a camber measurement plate that is fixed to the tool attachment unit 12, and has an edge 111 parallel with a linear line connecting the engagement pawl section 124a and the engagement pawl section 124b.
Inventors:
MATSUDA SHUHEI
KATO KOTARO
KATO KOTARO
Application Number:
JP2014028838A
Publication Date:
August 24, 2015
Filing Date:
February 18, 2014
Export Citation:
Assignee:
NIKON ESSILOR CO LTD
International Classes:
G01B5/24; G02C13/00
Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe
Takao Watanabe
Previous Patent: PHASE ANALYSIS METHOD OF LATTICE IMAGE USING WEIGHTING
Next Patent: MEASURING INSTRUMENT FOR VEHICLE
Next Patent: MEASURING INSTRUMENT FOR VEHICLE