IP Library Granted Patent US 7,540,376
Granted Patent B2
US 7,540,376 · App. 10/969,255 · Granted Jun 2, 2009

Contact lens case

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Quick Facts
Patent No.
US 7,540,376
App. No.
10/969,255
Granted
Jun 2, 2009
Kind
B2
Abstract

A contact lens case including a body or base portion with a pair of lens-receiving wells recessed therein, a cap or cover closable to form a substantially liquid-impermeable seal around the wells, and a latch or closure assembly engageable to secure the cover in its closed position. A compressible gasket around the wells assists in forming the seal with the cover. The wells include a primary bowl portion with a tapered secondary portion extending therefrom to assist in lens removal.

Claims (21)

1. A contact lens case comprising:

a base portion defining at least one well for receiving a contact lens and a quantity of lens care solution,

at least one cover hingedly connected to the base portion and movable between an open position allowing access to the at least one well and a closed position overlying the at least one well,

a latch selectively engageable with a portion of the at least one cover to retain the cover in its closed position, wherein each of the at least one cover comprises a generally concave indentation adjacent the latch; and

a lens carrier for supporting a contact lens during immersion in the well.

2. The contact lens case of claim 1 , wherein the base portion comprises a compressible gasket surrounding the well, and the cover comprises a flange projecting from a lower face thereof for sealing engagement with the gasket when the cover is in its closed position.

3. The contact lens case of claim 1 , wherein the latch is pivotally connected to the base portion.

4. The contact lens case of claim 3 , wherein the latch and the base portion comprise a unitary molding joined by a living hinge.

5. The contact lens case of claim 3 , wherein the latch comprises an inclined contact face for urging the cover into its closed position as the latch is engaged.

6. The contact lens case of claim 1 , wherein the lens carrier moves between a lowered position wherein the contact lens is immersed in the well, and a raised position wherein the contact lens is above the well.

7. The contact lens case of claim 6 , wherein the lens carrier is connected to the cover by a first connector link, so that the lens carrier moves to its lowered position when the cover is in its closed position, and the lens carrier moves to its raised position when the cover is in its open position.

8. The contact lens case of claim 7 , wherein the lens carrier is connected to the base by a second connector link, so that the lens carrier is maintained in an orientation generally parallel to the base as the lens carrier moves between its lowered position and its raised position.

9. The contact lens case of claim 1 , wherein the lens carrier is generally concave with upwardly directed sidewall portions and a convex central portion for supporting the posterior surface of a contact lens placed thereon.

10. The contact lens case of claim 1 , further comprising an anchoring member on an inner face of the cover for holding the contact lens in place against the lens carrier.

11. The contact lens case of claim 1 , wherein the at least one well comprises separate first and second wells recessed into the base portion.

12. The contact lens case of claim 11 , wherein the at least one cover comprises first and second covers hingedly connected to the base portion, each cover independently operable to cover and uncover one of said first and second wells.

13. The contact lens case of claim 1 , in combination with a lens solution dispensing container having a docking site, said contact lens case being releasably engageable with the docking site of the container.

14. A contact lens case comprising a base with a well formed therein, a cover hingedly attached to the base and pivotal between an open position exposing the well and a closed position covering the well, a gasket between the base and the cover forming a fluid-impermeable seal around the well when the cover is in its closed position, and a latch for securing the cover in its closed position, and wherein the cover comprises a generally concave indentation adjacent the latch.

15. The contact lens case of claim 14 , wherein the gasket is attached to the base around the well, and wherein the cover comprises a flange for contact against the gasket.

16. The contact lens case of claim 14 , wherein engagement of the latch compresses the cover against the base to form the fluid-impermeable seal around the well.

17. The contact lens case of claim 14 , in combination with a lens solution dispensing container having a docking site, said contact lens case being releasably engageable with the docking site of the container.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2024
From: THE ESTATE OF DARREL EUGENE SELF
To: TSG R&D-2, LLC
Reel/Frame 066635/0083 →
CONFIRMATORY DEED OF ASSIGNMENT EFFECTIVE APRIL 8, 2019 Recorded Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →