Eyeglasses with lenses replaceable

Details Eyeglasses with lenses replaceable Eyeglasses with lenses replaceable

1994-11-28

1996-06-11

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Continuous rim mounting

351 83, 351121, 351136, 351138, G02C 100, G02C 512

Patent

active

055260691

ABSTRACT:
Eyeglasses with lenses replaceable comprising a lens frame and a plurality of pairs of lenses to be selectably used and fitted in two lens holes of the lens frame by a user with easiness without need of any tools, each lens hole and each lens having the same shape, each lens hole having a circumferential wedge-shaped ridge to engage exactly with a circumferential wedge-shaped groove of each lens, each lens hole and each lens having a wedge-shape position portion and a nearly-round fitting portion to correspond with each other so that each lens may fit in each lens hole with firm stability.

REFERENCES:
patent: 4196982 (1980-04-01), Watkins
patent: 4340282 (1982-07-01), Murakami
patent: 5387949 (1995-02-01), Tackles

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