Auxiliary clip-on frames for spectacles

Details Auxiliary clip-on frames for spectacles Auxiliary clip-on frames for spectacles

1995-04-17

1998-01-20

Dang, Hung X.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 47, 351 57, 351 58, G02C 900, G02C 708

Patent

active

057106142

ABSTRACT:
An auxiliary spectacle frame has a substantially rigid elongate bridge member and dual monocular frames, the respective monocular frames being connected to the ends of the bridge member by spring members, whereby the monocular frames are omni-directionally movable relative to each other.

REFERENCES:
patent: 624445 (1899-05-01), Bennum
patent: 1619659 (1927-03-01), Evans
patent: 1749676 (1930-03-01), Sadler et al.
patent: 1881132 (1932-10-01), Rheinberg
patent: 1980101 (1934-11-01), Schneider
patent: 2017233 (1935-10-01), Chester
patent: 2282637 (1942-05-01), Bouchard
patent: 2678584 (1954-05-01), Eyles
patent: 2926563 (1960-03-01), Lockwood
patent: 3901589 (1975-08-01), Bienenfeld

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