Optical adjustment spectacles

Details Optical adjustment spectacles Optical adjustment spectacles

2007-10-02

2007-10-02

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Lens pivots in and out of optical path

C351S063000

Reexamination Certificate

active

11334883

ABSTRACT:
A spectacles includes two lenses, a spectacles frame and an adjustment hinge arrangement. The spectacles frame includes two supporting arms and a bridge extending between the two supporting arms. The adjustment hinge arrangement pivotally couples the two lenses with the two supporting arms respectively to pivotally fold the two lenses between an idle position and an usage position, wherein at the idle position, the two lenses are upwardly and pivotally flipped to move away from the bridge, and at the usage position, the two lenses are downwardly and pivotally flipped at a position that the bridge is positioned between the two lenses.

REFERENCES:
patent: 1545281 (1925-07-01), Royak
patent: 3252747 (1966-05-01), Robins
patent: 3990788 (1976-11-01), Choy

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