Patent US3575497A successfully refreshed from Google Patents.
US3575497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary eye protection assembly
Assignee: Foster Grant Co Inc
•
Filing: 1969-08-11
•
Granted: 1971-04-20
•
Expires: 1989-08-11
Abstract
Abstract An auxiliary eye protection assembly adapted to clip onto a pair of spectacles and including a pair of lenses pivotally movable to a first position covering the spectacle lenses and a second uncovering position out of the line of vision of the wearer.
Inventors
- 👤 Conrad L Leblanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:30
CPC Classifications
G; G02; G02C; G02C9/00; G02C9/02; G02C7/00; G02C7/10; G02C9/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
240 words
An auxiliary eye protection assembly comprising: a pair of lenses; a bridge joining together said lenses comprising a separate member extending between said lenses and attached to said lenses at each end thereof; a clip element for removably attaching said auxiliary eye protection assembly to a pair of spectacles; a support member having a body portion located substantially entirely between said pair of lenses, said support member being in contact with and pivotally supporting both said bridge and said clip element thereon, said support member including a pair of depending elongated fingers; said clip element including a single hand-engageable portion centrally located above said body portion of said support member between said lenses and a pair of downwardly extending prongs; a biasing means positioned on said assembly for normally biasing said prongs toward said fingers on said support member whereby a pair of spectacles may be engaged between said prongs and fingers, said hand-engageable portion being actuated by one hand to separate said prongs and fingers, allowing said auxiliary eye protection assembly to be attached to or removed from said pair of spectacles; each of said auxiliary lenses covering a lens mounted in said spectacles in a first position, said bridge being manually pivoted on said support member to move said auxiliary lenses to a second uncovering position wherein they are removed from in front of the spectacles and are no longer in the line of view of the wearer.
Claim 2
Dependent Claim
240 words
An auxiliary eye protection assembly comprising: a pair of lenses; a bridge joining together said lenses comprising a separate member extending between said lenses and attached to said lenses at each end thereof; a clip element for removably attaching said auxiliary eye protection assembly to a pair of spectacles; a support member having a body portion located substantially entirely between said pair of lenses, said support member being in contact with and pivotally supporting both said bridge and said clip element thereon, said support member including a pair of depending elongated fingers; said clip element including a single hand-engageable portion centrally located above said body portion of said support member between said lenses and a pair of downwardly extending prongs; a biasing means positioned on said assembly for normally biasing said prongs toward said fingers on said support member whereby a pair of spectacles may be engaged between said prongs and fingers, said hand-engageable portion being actuated by one hand to separate said prongs and fingers, allowing said auxiliary eye protection assembly to be attached to or removed from said pair of spectacles; each of said auxiliary lenses covering a lens mounted in said spectacles in a first position, said bridge being manually pivoted on said support member to move said auxiliary lenses to a second uncovering position wherein they are removed from in front of the spectacles and are no longer in the line of view of the wearer.
Claim 3
Dependent Claim
232 words
An auxiliary eye protection assembly comprising: a pair of lenses; a bridge connecting said lenses; a clip element for removably attaching said auxiliary eye protection assembly to a pair of spectacles; a support member for pivotally supporting both said bridge and said clip element thereon, said support member including a pair of depending elongated fingers; said clip element including a hand-engageable portion and a pair of downwardly extending prongs; a single biasing means positioned on said assembly for normally biasing said prongs toward said fingers on said support member whereby a pair of spectacles may be engaged between said prongs and fingers, said hand-engageable portion being actuated to separate said prongs and fingers, allowing said auxiliary eye protection assembly to be attached to or removed from said pair of spectacles; each of said auxiliary lenses covering a lens mounted in said spectacles in a first position, said bridge being manually pivoted on said support member to move said auxiliary lenses to a second uncovering position wherein they aRe removed from in front of the spectacles and are no longer in the line of view of the wearer; said single biasing means also serving as a means for biasing said auxiliary lenses in either said first or second positions and including a portion which coacts with said bridge connecting said auxiliary lenses to urge and maintain said auxiliary lenses in their selected position.
Claim 4
Dependent Claim
232 words
An auxiliary eye protection assembly comprising: a pair of lenses; a bridge connecting said lenses; a clip element for removably attaching said auxiliary eye protection assembly to a pair of spectacles; a support member for pivotally supporting both said bridge and said clip element thereon, said support member including a pair of depending elongated fingers; said clip element including a hand-engageable portion and a pair of downwardly extending prongs; a single biasing means positioned on said assembly for normally biasing said prongs toward said fingers on said support member whereby a pair of spectacles may be engaged between said prongs and fingers, said hand-engageable portion being actuated to separate said prongs and fingers, allowing said auxiliary eye protection assembly to be attached to or removed from said pair of spectacles; each of said auxiliary lenses covering a lens mounted in said spectacles in a first position, said bridge being manually pivoted on said support member to move said auxiliary lenses to a second uncovering position wherein they aRe removed from in front of the spectacles and are no longer in the line of view of the wearer; said single biasing means also serving as a means for biasing said auxiliary lenses in either said first or second positions and including a portion which coacts with said bridge connecting said auxiliary lenses to urge and maintain said auxiliary lenses in their selected position.
Claim 5
Dependent Claim
63 words
The assembly of claim 2 wherein said bridge has first and second cam surfaces thereon; and said single biasing means include a portion which coacts with said first cam surface to urge toward and maintain said auxiliary lenses in said first covering portion and coacts with said second cam surface to urge toward and maintain said auxiliary lenses in said second uncovering position.
Claim 6
Dependent Claim
56 words
The assembly of claim 2 wherein said single biasing means comprises a spring having several coils mounted on said clip element and a U-shaped portion which coacts with said first cam surface in said first covering position of said auxiliary lenses and with said second cam surface in said second uncovering position of said auxiliary lenses.
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |