Locking pivoting lens assembly with hinge detent

Details Locking pivoting lens assembly with hinge detent Locking pivoting lens assembly with hinge detent

1996-02-12

1997-12-02

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With auxiliary lenses movable in and out of the optical path

351158, 359399, G02C 708, G02C 100, G02B 2300

Patent

active

056941935

ABSTRACT:
An optical device comprising a spectacle frame having a pair of optical lenses. The optical device further includes a lens assembly pivotally attached to the spectacle frame which is pivotable between an operative position and a non-operative position. The optical device also includes an detent mechanism for repeatedly positioning the lens assembly into the operative position from the non-operative position. The lens assembly includes a support bracket for holding a pair of telescopes. The support bracket is contoured to the shape of the spectacle frame so that the bracket is substantially out of a user's forward line of sight when the lens assembly is in the operative position.

REFERENCES:
patent: D296337 (1988-06-01), Caplan
patent: 2422661 (1947-06-01), Ellis
patent: 2459021 (1949-01-01), Frommer
patent: 3990788 (1976-11-01), Choy
patent: 4534627 (1985-08-01), Vospero
patent: 4740069 (1988-04-01), Baum
patent: 4929075 (1990-05-01), Eliakim
patent: 5076682 (1991-12-01), Pasfield
patent: 5381263 (1995-01-01), Nowack et al.

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