Eyeglass hinge system and bolt therefore

Details Eyeglass hinge system and bolt therefore Eyeglass hinge system and bolt therefore

1992-12-28

1994-11-22

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

351121, 351140, G02C 522

Patent

active

053673468

ABSTRACT:
Eyeglass hinge system and bolt therefore for connecting the bow to the frame, wherein a hinge element is provided having a threaded bore in which the thread is either metric or U.S. standard and wherein the diameter, pitch diameter, and pitch dimensions of the bolt are intermediate in size to the corresponding dimensions of the metric and U.S. standard threads in the bore.

REFERENCES:
patent: 3427681 (1967-03-01), Smith, Jr.
patent: 4033615 (1977-07-01), Miller et al.

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