Eyeglasses with retention clip

Details Eyeglasses with retention clip Eyeglasses with retention clip

2005-02-15

2005-02-15

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

C351S121000

Reexamination Certificate

active

06854845

ABSTRACT:
A retention device for eyeglasses includes a swingable clip lever pivoted essentially on the same pivot with one of the temples of the eyeglasses. A mechanical linkage causes the clip lever to lie closely alongside the temple when the temple is fully closed and when the temple is fully opened, but to swing away from the temple in intermediate positions, thus enabling the clip to be engaged over an edge of clothing or other material to retain the eyeglasses in place when not being worn by a person. Preferably an over-center device is included to firmly retain the temple in the closed position until deliberately opened.

REFERENCES:
patent: 1779015 (1930-10-01), Schmitt
patent: 1898059 (1933-02-01), McDonald
patent: 3210814 (1965-10-01), Wolf
patent: 4316654 (1982-02-01), Allen
patent: 4496224 (1985-01-01), Allen
patent: 4903375 (1990-02-01), DiFranco
patent: 5235727 (1993-08-01), McCloskey
patent: 5414906 (1995-05-01), Kren
patent: 6059410 (2000-05-01), Wang

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