Frame for eyeglasses having flexible straps lens retainers

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Brace arm or semi-rimless mounting

Patent

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Details

351103, 351154, G02C 104

Patent

active

053551842

ABSTRACT:
An eyeglass frame, particularly suitable as a temporary or permanent frame for a broken frame or as a replacement frame, has a central nose-piece; at least one pair of flexible straps extending from the nose-piece or an intermediate fixed top bar; and separate or integral ratcheting clasps. Each of the straps has a transverse ratchet surface adjacent its distal end and each clasp has a ratcheting mechanism such as a flexible pawl. Each of the loose lenses of the eyeglasses are mounted against the nose-piece and each strap in seriatim is wrapped around the periphery of a lens with the distal end of the strap inserted into the ratcheting clasp and pulled therethrough so that the strap ratchet surfaces intermeshes with the pawl or pawls of the ratcheting clasps so as to cinch-up and tighten the strap(s) around the lens. Temple bars are attachable to the clasps. Any excess length of strap extending outwardly from the clasp(s) are cut-off. Marking of the correct optical position and alignment of the lenses in the old frame for use in alignment of those lenses in the replacement frame is also provided for.

REFERENCES:
patent: 4021103 (1977-05-01), Gaspari
patent: 4432616 (1984-02-01), Kurosaka
patent: 4464025 (1984-08-01), Lhospice
patent: 4466713 (1984-08-01), Tanaka
patent: 4550989 (1985-11-01), Hafner
patent: 4842399 (1989-06-01), Tsai

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