Lens-installing apparatus for rimless eyeglasses
AssigneeVision Optic Co., Ltd.
InventorTakehiko Yoshida
Life of this patent
Estimating the term…
Abstract
A rimless eyeglasses lens-installing apparatus, a connector connects a lens to a lug and a fastening tool fixed the lens and the connector to each other. The fastening tool has a first fastening member and a second fastening member. A metal insertion member having a threaded hole formed thereon is disposed in an internal portion of the first fastening member by insert molding. An outer threaded portion of the first fastening member engages a threaded portion of a lens through-hole. The threaded portion of the second fastening member is screwed into the threaded hole of the insertion member. A portion of the first fastening member projecting from a rear surface of the lens is cut off appropriately.
Claims11
A rimless eyeglasses lens-installing apparatus:
- a lens;
- a lens through-hole disposed in the vicinity of an edge of said lens and penetrating said lens in a direction from a side of one main surface thereof to a side of the other main surface thereof;
- a connector disposed on the side of said one main surface of said lens to connect said lens to one of a lug and a bridge;
- a connector through-hole communicating with said lens through-hole and penetrating said connector;
- and
- a fastening tool inserted into said lens through-hole in a direction from one of the side of said one main surface of said lens and the side of said other main surface thereof so as to mount said lens and said connector on each other;
- wherein said fastening tool is installed in said lens through-hole such that an end of said fastening tool does not project from said other main surface of said lens.
A rimless eyeglasses lens-installing apparatus:
- a lens;
- a lens through-hole disposed in the vicinity of an edge of said lens and penetrating said lens in a direction from a side of one main surface of said lens to a side of the other main surface thereof and having a threaded portion on an inner peripheral surface thereof;
- a connector disposed on the side of said one main surface of said lens to connect said lens to one of a lug and a bridge;
- and
- a fastening tool inserted into said lens through-hole in a direction from one of the side of said one main surface of said lens and said other main surface thereof to mount said lens and said connector on each other;
- wherein said fastening tool includes:
- a first fastening member fastened to said lens through-hole and having an outer threaded portion engaging said threaded portion of said lens through-hole and an insertion member having a threaded hole;
- and
- a second fastening member that is integral with said connector and having a threaded portion on a peripheral surface thereof, the second fastening member is inserted into said first fastening member in a direction from the side of said one main surface of said lens such that said threaded portion of said second fastening member is screwed into said threaded hole of said first fastening member to fasten said second fastening member to said first fastening member;
- wherein
- each of said second fastening member and said insertion member is made of a metal material;
- and
- said first fastening member is installed in said lens through-hole such than an end of said first fastening member does not project from said one main surface of said lens and from said other main surface thereof.
Dependencies are inferred from the claim text.