Elastic spectacle hinge

Details Elastic spectacle hinge Elastic spectacle hinge

1994-04-21

1996-01-09

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351121, 351153, 16228, G02C 516, G02C 522

Patent

active

054833027

ABSTRACT:
An elastic hinge for a pair of spectacles is made, on the one hand, of a front-hinge element (10) securely fixed to a side lug (6) of the front part; and, on the other hand, of a side-hinge element (20) connected by elastic biasing means (12, 30, 40, 44) at the end of the side arm (8). The outer edge of the end (9) of the side arm (8) bears against a fixed heel (7) extending from the lug (6) or integral with the front-hinge element. This heel (7) extends beyond the axis (15) of the hinge by a distance (d) greater than 0.3 millimeters. Moreover, the side-hinge element (20) has, in its face directed towards the side arm, a recessed edge (32) which after rotation through a desired maximum angle (.theta.), comes to bear against the abutment-forming inside angled edge (5) of the heel (7).

REFERENCES:
patent: 3166754 (1965-01-01), Stegeman
patent: 4534628 (1985-08-01), Morel
patent: 4617698 (1986-10-01), Drlik
patent: 4832479 (1989-05-01), Beyer et al.
patent: 4991258 (1991-02-01), Drlik
patent: 5018242 (1991-05-01), Guy et al.

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