3D eyeglasses with detachable front eyeglasses frame

Details 3D eyeglasses with detachable front eyeglasses frame 3D eyeglasses with detachable front eyeglasses frame

2011-03-18

2011-10-04

Dang, Hung (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Lens pivots in and out of optical path

C351S086000, C351S106000

Reexamination Certificate

active

08029132

ABSTRACT:
The present invention relates to 3D eyeglasses with a detachable front eyeglasses frame, including: eyeglasses arms having a coupling rim disposed in the middle portion thereof and attaching and detaching protrusions formed at the center portion of the coupling rim; the detachable front eyeglasses frame having lens insertion holes formed on both sides thereof, fixing protrusions formed at each of the upper and lower sides of the lens insertion holes on the rear surface thereof, and attaching and detaching grooves formed at the center portion of the rear surface thereof; and 3D eyeglasses lenses adapted to be inserted into the lens insertion holes of the detachable front eyeglasses frame.

REFERENCES:
patent: 3238005 (1966-03-01), Petitto
patent: 3252747 (1966-05-01), Robins
patent: 3383707 (1968-05-01), McNeill
patent: 4400067 (1983-08-01), Joffe
patent: 6474810 (2002-11-01), Ng
patent: 7048372 (2006-05-01), Cohen

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