Elastic hinge having a radial stop against excessive opening

Details Elastic hinge having a radial stop against excessive opening Elastic hinge having a radial stop against excessive opening

2005-07-12

2005-07-12

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

C351S121000, C016S228000

Reexamination Certificate

active

06916093

ABSTRACT:
An elastic hinge (40), in particular for spectacle frames, has first and second hinge elements (50, 60) rotatably mounted around a pivot (45), a cam profile (53) integral with the first hinge element, a bearing piece (65) movably mounted in the second hinge element along an elastic translation axis. The bearing piece has a first contact area co-operating with the cam profile to give the hinge at least one stable position, and provides a lock for the hinge when a position of excessive opening is reached. The lock includes a protrusion (53-4) of the cam profile arranged for co-operating with a second contact area (65-2) of the bearing piece by exerting, essentially on the bearing piece, a force substantially perpendicular to the translation axis thereof.

REFERENCES:
patent: 5818567 (1998-10-01), Sakai
patent: 6481053 (2002-11-01), Desbiez-Piat
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patent: WO 98/44379 (1998-10-01), None
patent: WO 01/79917 (2001-10-01), None

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