Screw-less hinge structure for spectacles

Details Screw-less hinge structure for spectacles Screw-less hinge structure for spectacles

2006-08-15

2006-08-15

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

C016S228000

Reexamination Certificate

active

07090347

ABSTRACT:
An improved screw-less hinge structure for assembling spectacles, particularly for, but not by way of limitation to, children's sunglasses, each comprising a spectacle frame (20) containing a finger-shaped fitting member (22) with a disc-shaped fitting void (24) affixed to one end of the frame (20), mating with a respective arm (26) having a coupling member (28) comprised of a finger-shaped upper segment (28A) with an upper disc-shaped void (30A) that is vertically aligned with a finger-shaped lower segment (28B) with a lower disc-shaped void (30B) affixed to one end of the arm (26), and a loop-like fastener (32) with a self-locking manner that reduces the risk of the loss of crucial parts. The predetermined positions of the fitting void (24), upper void (30A), and lower void (30B) vertically align to create a shaft (40) necessary to house the fastener (32) securely. The assembled hinge structure (FIG.6) permits the arm (26) to attain a degree of flexibility beyond its normal use position along the horizontal axis (FIG.9) and vertical axis (FIG.8) in relation to the frame (20), resting against the outer edge of the frame (20) acting as a stop, allowing the spectacles to maintain its wearable formation.

REFERENCES:
patent: 5684559 (1997-11-01), Lin

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