Slidably resilient hinge for eyeglass frames

Details Slidably resilient hinge for eyeglass frames Slidably resilient hinge for eyeglass frames

1998-01-27

1999-12-14

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

16228, G02C 522

Patent

active

060007966

ABSTRACT:
The resilient hinge includes a first hinge (1) integral with the face part (2) of the frame of glasses, hinged by means of a screw (3) to a second knuckle (4) connected to a side piece (5) by means of a resilient device (6) with a spring. The latter biases resiliently al front part (12) of the branch (5) against cams (20, 21) integral with the first knuckle (1) and defining two stop positions for the side piece (5). A small plate (32), made of a low-friction material and having a shape bent at a right angle, is placed between the front part (12) and the cams (20, 21). This construction makes it possible to prevent the hinge from blocking, to reduce the friction between the movable parts of the hinge, to increase the bearing surface of the cams and increase the mechanical strength and the durability of the hinge.

REFERENCES:
patent: 2550348 (1951-04-01), Hansen

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