Patent ID: 6540350
Filing Date: 2003-04-01
Classification: B24B,G02C

Abstract:
A lens holding mechanism for spectacles comprising:a cutout portion formed in edges of spectacle lenses by cutting out the edges; a push-into portion which is provided on a lens holding member holding said spectacle lenses, and is pushed into said cutout portion by being inserted into said cutout portion from an edges side of said spectacle lenses when said spectacle lenses are held by said lens holding member; a groove portion formed nearly parallel to lens surfaces of said spectacle lenses in a contact portion of said cutout portion and said push-into portion which is pushed into said cutout portion; and a ridge portion which is formed nearly parallel to said lens surfaces of said spectacle lenses in the contact portion of said cutout portion and said push-into portion which is pushed into said cutout portion, and is pushed into said groove portion by being inserted into said groove portion when said push-into portion is inserted into said cutout portion.