Title:
RIM-LENS STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/157451
Kind Code:
A1
Abstract:
[Problem] Inserting or changing lenses in rims, as carried out at an optician's store and the like, requires work, time, and cost. However, there is currently no convenient alternative means for this. [Solution] A rim-lens structure that can achieve both a stable hold when lenses are fixed and ease of insertion/removal, and that enables easy lens insertion/removal without the use of tools such as a screwdriver, wherein: rims are designed to be vertically somewhat smaller and horizontally somewhat larger with respect to the lens outline, while the shapes of the rims and lenses are kept substantially the same; the flexibility of the rims is utilized such that the force of the rims trying to return fixes the lenses; when the lenses are fixed, gaps between the rims and each of the lenses are limited to two places horizontally opposite from each other and are as small as possible; and while achieving a stable hold on the lenses by the rims and the lenses restraining each other in a continuous manner along a wide range and in many directions, lens insertion/removal is simplified by a gap-enlarging effect produced by the flexibility of the rims and moving a lens such that the two gaps are merged into one.
Inventors:
INAMI MASAYUKI (JP)
Application Number:
PCT/JP2021/002890
Publication Date:
August 12, 2021
Filing Date:
January 27, 2021
Export Citation:
Assignee:
INAMI MASAYUKI (JP)
International Classes:
G02C1/06; G02C5/04
Foreign References:
| JPS59161125U | 1984-10-29 | |||
| JP2010085523A | 2010-04-15 | |||
| JP2001215449A | 2001-08-10 | |||
| JPH0571815U | 1993-09-28 | |||
| JP2001154156A | 2001-06-08 | |||
| JPH0616933U | 1994-03-04 | |||
| US20090135370A1 | 2009-05-28 | |||
| US5940164A | 1999-08-17 | |||
| CN209542990U | 2019-10-25 |
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