Folding eye glass frames with length adjustable temples

Details Folding eye glass frames with length adjustable temples Folding eye glass frames with length adjustable temples

1998-03-24

1999-07-27

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351119, 351 63, G02C 520, G02C 524, G02C 508

Patent

active

059299665

ABSTRACT:
Foldable glasses having telescoping temples and central pivoting bridge. The temples are shown with three or four telescoping elements. The four element temple has a distal element that is preformed from material that has a memory which when extended curves around the ear of the user and when the elements are telescoped together can be straightened for inserting in the adjacent straight telescopic element. Two bridge pivoting embodiments are shown, one has a angled pivot pin and the other has a spring biased pivotal section wherein the adjacent pivotal elements are vertically and horizontally translatable against the spring bias when the frame elements are folded for non-use.

REFERENCES:
patent: 5347325 (1994-09-01), Lei
patent: 5448317 (1995-09-01), Huang

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