Spectacle frame with over-opening about a shifted bearing point

Details Spectacle frame with over-opening about a shifted bearing point Spectacle frame with over-opening about a shifted bearing point

2006-07-11

2006-07-11

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

C016S228000

Reexamination Certificate

active

07073904

ABSTRACT:
A spectacle frame includes sliding hinges which enable the arms to move from a stable open position, in which the end (306) of the arms is parallel to the end (313) of the endpiece (307), to an unstable wide-open position, by pivoting around a support point (311) belonging to a coincidence plane (P,P′) which passes between the knuckles (C1, C2) of the hinges. The frame, which has a plane of symmetry (X,X′), is characterised in that the support point (311) is located closer to the plane of symmetry (X,X′) of the frame than the outer face (309) of the arms at the coincidence plane (P, P′).

REFERENCES:
patent: 4456346 (1984-06-01), Beyer
patent: 5515575 (1996-05-01), Pinazza
patent: 0 177 821 (1986-04-01), None
patent: 0 266 307 (1988-05-01), None
patent: 0 889 347 (1999-01-01), None
patent: 0 992 831 (2000-04-01), None
patent: 2 816 072 (2002-05-01), None

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