Hinge structure and bearing member for hinge in frame of spectac

Details Hinge structure and bearing member for hinge in frame of spectac Hinge structure and bearing member for hinge in frame of spectac

1997-04-04

1998-12-08

Dang, Hung X.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

351140, 16228, G02C 522, G02C 500

Patent

active

058478019

ABSTRACT:
This invention relates to a hinge structure in a frame of spectacles, wherein a bearing member having a pair of shaft insertion portions is mounted to a lens frame, a bifurcate member having shaft portions is fixed to an end of a temple to be in parallel with the temple, the shaft portions are respectively inserted into the shaft insertion portions such that the bifurcate member is horizontally movable, and a release prevention member is interposed inside the bifurcate member. Even if an external force is applied to a distal end of the bifurcate member, the bifurcate member is never released from the bearing portion, and smooth opening and closing functions of the temple may be guaranteed for a long period of time.

REFERENCES:
patent: 4978209 (1990-12-01), Ohba

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