Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With auxiliary lenses movable in and out of the optical path
Patent
1993-02-03
1994-12-13
Bertsch, Richard A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With auxiliary lenses movable in and out of the optical path
351 86, 351 91, 351 92, 351156, G02C 708, G02C 108
Patent
active
053733312
ABSTRACT:
A lens includes a central nose frame having a top wall and spaced first and second side walls directed to the top wall at predetermined obtuse included angles, with first and second cup-shaped lens frames mounted to opposed sides of the nose frame to receive removable lens members respectively therewithin. First and second eyeglass legs are hingedly mounted to the respective first and second lens frames and arranged for abutment, in a complementary manner, the first and second sides of the nose frame, to include a lock bar pivotally mounted to the nose frame to extend over the first and second nose frame sides, as well as first ends of the first and second lock legs to secure the lock legs and the associated lenses within the frame structure.
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Vallalla Anthony E.
Vallalla Rosalie G.
Bertsch Richard A.
Combs E. Michael
Richman Howard R.
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