Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Nose pads or cushions
Patent
1988-06-09
1989-05-30
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Nose pads or cushions
351138, 351132, 351 88, G02C 502, G02C 512
Patent
active
048345245
ABSTRACT:
A high compliance flexible web, preferably made of porometric material such as a woven plastic fabric, extends between the rims of a pair of eyeglasses below and spaced apart from the bridge which interconnects the rims. The web is preferably detachably and adjustably installed by engagement of protuberances at the ends of the web with corresponding recesses in the rims. The web supports the eyeglasses on the bridge of the nose of the wearer with very little slippage; and maintains a high comfort level by eliminating point contacts and local pressure concentrations, and permitting the movement of water vapor and air between the bridge of the nose of the wearer and the air space between the web and the bridge of the eyeglasses. The web adapts to the slope and shape of the upper portion of the nose of the wearer, either (i) by reason of the compliant nature of the web material or (ii) by adjustment of the web provided by positioning of protuberances at the ends of the web in selected holes in the rims and/or turning of the protuberances within the holes.
REFERENCES:
patent: 2677988 (1954-05-01), Belgand
patent: 3304145 (1967-02-01), Hamm
patent: 4506961 (1985-03-01), Palmieri
Bovernick Rodney B.
Lessler Arthur L.
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