Title:
MEASURING INSTRUMENT FOR FORWARD TILTING ANGLE OF EYE GLASSES AND MEASURING METHOD FOR FORWARD TILTING ANGLE OF EYE GLASSES
Document Type and Number:
Japanese Patent JP2010224080
Kind Code:
A
Abstract:
To provide a measuring instrument for forward tilting angle of eye glasses and a measuring method for forward tilting angle of eye glasses for measuring a forward tilting angle of eye glasses simply and accurately irrespective of a simple and inexpensive configuration of the measuring instrument.
This measuring instrument includes a first measuring instrument 10 constituted by forming first reference straight lines 11, 12 and a group of first tilted lines 13 being tilted for the first reference straight lines at different angles from each other on a transparent and thin plate member and forming a face on one side of the thin plate member as a sealing face to be stuck on a side face of a frame.
COPYRIGHT: (C)2011,JPO&INPIT
Inventors:
KURAHASHI HAJIME
IESATO KENJI
TAKAHASHI HISASHI
NAGAYAMA KUNIO
IESATO KENJI
TAKAHASHI HISASHI
NAGAYAMA KUNIO
Application Number:
JP2009069389A
Publication Date:
October 07, 2010
Filing Date:
March 23, 2009
Export Citation:
Assignee:
SEIKO OPTICAL PRODUCTS CO LTD
International Classes:
G02C13/00; G01B5/245; G01C9/12; G01M11/02
Attorney, Agent or Firm:
Kunio Miura
Daisuke Ando
Daisuke Ando
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