Frame for multifocal spectacles

Details Frame for multifocal spectacles Frame for multifocal spectacles

1987-12-15

1989-08-29

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Nose pads or cushions

351128, G02C 512

Patent

active

048611514

ABSTRACT:
The inner sides of left and right lens rims constituting the main body of a frame for multifocal spectacles are provided with respective guide portions extending downwardly from a bridge connecting the rims together. Left and right nose-pads of a nose-pad member are secured in the guide portions under tension using left and right resilient pieces configured to gradually curve away from each other. This makes it possible to move the nose-pads up and down smoothly and reliably.

REFERENCES:
patent: 2486881 (1949-11-01), Roth
patent: 4547048 (1985-10-01), Negishi

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