Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses
Patent
1990-02-21
1991-03-05
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
351128, 351137, 351156, G02C 504, G02C 512
Patent
active
049972677
ABSTRACT:
The disclosure is an eyeglass frame including a straight relatively rigid bar having a plurality of notches disposed along its length, and carrying a generally U-shaped nose piece having a tab adapted to be inserted in and locked in the central notch in the bar. The bar also carries a pair of circular lens holders having tabs for insertion in selected notches in the bar so that the spacing between the lens holders and the lenses carried thereby can be adjusted. A headband is also provided having tabs for insertion in notches in the frame bar to hold the frame on the head of the user.
REFERENCES:
patent: 3787113 (1974-01-01), Shedrow
Morrison James
Morrison Robert J.
Bovernick Rodney B.
Green Robert A.
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