Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1981-07-22
1983-06-07
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
351 86, 351131, B02C 712, G02C 100, G02C 502
Patent
active
043868320
ABSTRACT:
The subject of the invention is represented by adjustable luminous intensity sun glasses of the type employing two pairs of polarizing lenses set before one another one pair of which is made up of two identical mobile synchronically rotating lenses which rotate on their axes in respect of the other pair whose lenses are fixed.
The two fixed lenses are assembled onto an external frame component, equipped with stems and especially designed dap components relative to the internal side; the set may be adopted as a normal pair of glasses with polarizing lenses. The two mobile lenses are assembled--with the possibility of synchronous rotation around their axes--onto an inside frame component which is equipped with dap seats.
The assembly and disassembly of the two components, the inside and the outside ones, in order to form a single slender frame are achieved thanks to the elastic deformability of the components themselves which, once they have been approached to each other, are bent so as to allow the coupling of said dap components with the corresponding dap seats.
REFERENCES:
patent: 2005426 (1935-06-01), Land
patent: 2251330 (1941-08-01), Fairbank
patent: 3944346 (1976-03-01), Shindler
patent: 4102566 (1978-07-01), Shelton
patent: 4119369 (1978-10-01), Eloranta
patent: 4196982 (1980-04-01), Watkins
Bovernick Rodney B.
Corbin John K.
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