US3826564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eye glass frame for replaceable lenses
Assignee: Individual
•
Filing: 1972-09-25
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Granted: 1974-07-30
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Expires: 1992-09-25
Abstract
Abstract An improved pair of eye glasses in which each lens rim opening of the eye glass frame has a removable upper and lower lens for interchange with other clear or tinted lenses, the present invention including a latch that automatically locks the upper lens from dropping out accidently when the lens frame is opened during lens interchanging operation.
Inventors
- 👤 F Werling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:17
CPC Classifications
G; G02; G02C; G02C1/00; G02C1/06; G02C1/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
222 words
In an improved eye glass frame for removable prescription lens tinted or clear, the combination of an eyeglass assembly consisting of a front frame attached pivotally to a pair of temple bows, a pair of arcuate rims encompassing lens openings in said frame, removable upper and lower abutting lenses in each said opening, said lenses being interchangable with other like shape and size lenses so that said lenses in said frame openings are selectively either clear or tinted, including means for opening each rim for lens replacement comprising an arcuate member forming a lower edge of said rim, one end of said member being hinged to said frame and the other end of said member having a peg receivable in a hole in said frame and secured by a screw wherein the lower lens is removably mounted in the said lower edge and the upper lens is removably mounted in the frame and supported by the lower lens when the rim is in the closed position, including a latch pivoted on the frame adjacent the hole and having a portion positioned in said hole for engagement by said peg, with resilient means on the frame biasing the latch to a position engaging the upper lens when the rim is open, whereby the upper lens is restrained from falling out of the frame.
Claim 2
Dependent Claim
222 words
In an improved eye glass frame for removable prescription lens tinted or clear, the combination of an eyeglass assembly consisting of a front frame attached pivotally to a pair of temple bows, a pair of arcuate rims encompassing lens openings in said frame, removable upper and lower abutting lenses in each said opening, said lenses being interchangable with other like shape and size lenses so that said lenses in said frame openings are selectively either clear or tinted, including means for opening each rim for lens replacement comprising an arcuate member forming a lower edge of said rim, one end of said member being hinged to said frame and the other end of said member having a peg receivable in a hole in said frame and secured by a screw wherein the lower lens is removably mounted in the said lower edge and the upper lens is removably mounted in the frame and supported by the lower lens when the rim is in the closed position, including a latch pivoted on the frame adjacent the hole and having a portion positioned in said hole for engagement by said peg, with resilient means on the frame biasing the latch to a position engaging the upper lens when the rim is open, whereby the upper lens is restrained from falling out of the frame.
Claim 3
Dependent Claim
93 words
The combination as set forth in claim 1 wherein the latch comprises a lever with a lower leg and an upper leg pivotally mounted therebetween, the resilient means comprising a rubber cushion biasing the upper leg towards the lens retaining position, said lower leg having a hook for engaging a lower edge of the upper lens, the upper leg of said lever being so disposed that insertion of the peg in the hole forces the upper leg to compress the cushion, thereby releasing the hook from the lower edge of the upper lens.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |